示例#1
0
gboolean
gdk_cairo_get_clip_rectangle (cairo_t      *cr,
                              GdkRectangle *rect)
{
  double x1, y1, x2, y2;
  gboolean clip_exists;

  cairo_clip_extents (cr, &x1, &y1, &x2, &y2);

  clip_exists = x1 < x2 && y1 < y2;

  if (rect)
    {
      x1 = floor (x1);
      y1 = floor (y1);
      x2 = ceil (x2);
      y2 = ceil (y2);

      rect->x      = CLAMP (x1,      G_MININT, G_MAXINT);
      rect->y      = CLAMP (y1,      G_MININT, G_MAXINT);
      rect->width  = CLAMP (x2 - x1, G_MININT, G_MAXINT);
      rect->height = CLAMP (y2 - y1, G_MININT, G_MAXINT);
    }

  return clip_exists;
}
示例#2
0
static gboolean
_gtk_cairo_surface_extents (cairo_surface_t *surface,
                            GdkRectangle *extents)
{
  double x1, x2, y1, y2;
  cairo_t *cr;

  g_return_val_if_fail (surface != NULL, FALSE);
  g_return_val_if_fail (extents != NULL, FALSE);

  cr = cairo_create (surface);
  cairo_clip_extents (cr, &x1, &y1, &x2, &y2);

  x1 = floor (x1);
  y1 = floor (y1);
  x2 = ceil (x2);
  y2 = ceil (y2);
  x2 -= x1;
  y2 -= y1;

  if (x1 < G_MININT || x1 > G_MAXINT ||
      y1 < G_MININT || y1 > G_MAXINT ||
      x2 > G_MAXINT || y2 > G_MAXINT)
    {
      extents->x = extents->y = extents->width = extents->height = 0;
      return FALSE;
    }

  extents->x = x1;
  extents->y = y1;
  extents->width = x2;
  extents->height = y2;

  return TRUE;
}
示例#3
0
static PyObject *
pycairo_clip_extents (PycairoContext *o) {
  double x1, y1, x2, y2;
  cairo_clip_extents (o->ctx, &x1, &y1, &x2, &y2);
  RETURN_NULL_IF_CAIRO_CONTEXT_ERROR(o->ctx);
  return Py_BuildValue("(dddd)", x1, y1, x2, y2);
}
示例#4
0
gfxRect
gfxContext::GetClipExtents()
{
    double xmin, ymin, xmax, ymax;
    cairo_clip_extents(mCairo, &xmin, &ymin, &xmax, &ymax);
    return gfxRect(xmin, ymin, xmax - xmin, ymax - ymin);
}
static VALUE
cr_clip_extents (VALUE self)
{
  double x1, y1, x2, y2;
  cairo_clip_extents (_SELF, &x1, &y1, &x2, &y2);
  cr_check_status (_SELF);
  return rb_ary_new3 (4,
                      rb_float_new (x1), rb_float_new (y1),
                      rb_float_new (x2), rb_float_new (y2));
}
示例#6
0
static int
cr_clip_extents (lua_State *L) {
    cairo_t **obj = luaL_checkudata(L, 1, OOCAIRO_MT_NAME_CONTEXT);
    double x1, y1, x2, y2;
    cairo_clip_extents(*obj, &x1, &y1, &x2, &y2);
    lua_pushnumber(L, x1);
    lua_pushnumber(L, y1);
    lua_pushnumber(L, x2);
    lua_pushnumber(L, y2);
    return 4;
}
示例#7
0
static gboolean draw(GtkWidget*, cairo_t* cr, wxGLCanvas* win)
{
    win->m_exposed = true;
    if (win->m_cairoPaintContext == NULL)
    {
        win->m_cairoPaintContext = cr;
        cairo_reference(cr);
    }
    double x1, y1, x2, y2;
    cairo_clip_extents(cr, &x1, &y1, &x2, &y2);
    win->GetUpdateRegion().Union(int(x1), int(y1), int(x2 - x1), int(y2 - y1));
    return false;
}
示例#8
0
static cairo_bool_t
check_clip_extents (const char *message, cairo_t *cr,
                    double x, double y, double width, double height)
{
    double ext_x1, ext_y1, ext_x2, ext_y2;
    cairo_clip_extents (cr, &ext_x1, &ext_y1, &ext_x2, &ext_y2);
    if (ext_x1 == x && ext_y1 == y && ext_x2 == x + width && ext_y2 == y + height)
        return 1;
    cairo_test_log ("Error: %s; clip extents %f,%f,%f,%f should be %f,%f,%f,%f\n",
                    message, ext_x1, ext_y1, ext_x2 - ext_x1, ext_y2 - ext_y1,
                    x, y, width, height);
    return 0;
}
示例#9
0
static bool paintMozWidget(RenderTheme* theme, GtkThemeWidgetType type, RenderObject* o, const RenderObject::PaintInfo& i, const IntRect& rect)
{
    // No GdkWindow to render to, so return true to fall back
    if (!i.context->gdkDrawable())
        return true;

    // Painting is disabled so just claim to have succeeded
    if (i.context->paintingDisabled())
        return false;

    GtkWidgetState mozState;
    setMozState(theme, &mozState, o);

    int flags;

    // We might want to make setting flags the caller's job at some point rather than doing it here.
    switch (type) {
        case MOZ_GTK_BUTTON:
            flags = GTK_RELIEF_NORMAL;
            break;
        case MOZ_GTK_CHECKBUTTON:
        case MOZ_GTK_RADIOBUTTON:
            flags = theme->isChecked(o);
            break;
        default:
            flags = 0;
            break;
    }

    AffineTransform ctm = i.context->getCTM();

    IntPoint pos = ctm.mapPoint(rect.location());
    GdkRectangle gdkRect = IntRect(pos.x(), pos.y(), rect.width(), rect.height());
    GtkTextDirection direction = gtkTextDirection(o->style()->direction());

    // Find the clip rectangle
    cairo_t *cr = i.context->platformContext();
    double clipX1, clipX2, clipY1, clipY2;
    cairo_clip_extents(cr, &clipX1, &clipY1, &clipX2, &clipY2);

    GdkRectangle gdkClipRect;
    gdkClipRect.width = clipX2 - clipX1;
    gdkClipRect.height = clipY2 - clipY1;
    IntPoint clipPos = ctm.mapPoint(IntPoint(clipX1, clipY1));
    gdkClipRect.x = clipPos.x();
    gdkClipRect.y = clipPos.y();

    gdk_rectangle_intersect(&gdkRect, &gdkClipRect, &gdkClipRect);

    return moz_gtk_widget_paint(type, i.context->gdkDrawable(), &gdkRect, &gdkClipRect, &mozState, flags, direction) != MOZ_GTK_SUCCESS;
}
示例#10
0
文件: ui.c 项目: blackketter/opencalc
static int ui_clip_extents(lua_State *L)
{
	double x, y, w, h;

	struct context *c = lua_touserdata(L, 1);

	cairo_clip_extents(c->cr, &x, &y, &w, &h);

	lua_pushnumber(L, x);
	lua_pushnumber(L, y);
	lua_pushnumber(L, w);
	lua_pushnumber(L, h);
	return 4;
}
示例#11
0
void GraphicsContext::clipOut(const IntRect& r)
{
    if (paintingDisabled())
        return;

    cairo_t* cr = platformContext()->cr();
    double x1, y1, x2, y2;
    cairo_clip_extents(cr, &x1, &y1, &x2, &y2);
    cairo_rectangle(cr, x1, y1, x2 - x1, y2 - y1);
    cairo_rectangle(cr, r.x(), r.y(), r.width(), r.height());
    cairo_fill_rule_t savedFillRule = cairo_get_fill_rule(cr);
    cairo_set_fill_rule(cr, CAIRO_FILL_RULE_EVEN_ODD);
    cairo_clip(cr);
    cairo_set_fill_rule(cr, savedFillRule);
}
示例#12
0
void GraphicsContext::clipOut(const Path& path)
{
    if (paintingDisabled())
        return;

    cairo_t* cr = platformContext()->cr();
    double x1, y1, x2, y2;
    cairo_clip_extents(cr, &x1, &y1, &x2, &y2);
    cairo_rectangle(cr, x1, y1, x2 - x1, y2 - y1);
    appendWebCorePathToCairoContext(cr, path);

    cairo_fill_rule_t savedFillRule = cairo_get_fill_rule(cr);
    cairo_set_fill_rule(cr, CAIRO_FILL_RULE_EVEN_ODD);
    cairo_clip(cr);
    cairo_set_fill_rule(cr, savedFillRule);
}
示例#13
0
void GraphicsContext::clipOut(const Path& path)
{
    if (paintingDisabled())
        return;

    cairo_t* cr = m_data->cr;
    double x1, y1, x2, y2;
    cairo_clip_extents(cr, &x1, &y1, &x2, &y2);
    cairo_rectangle(cr, x1, y1, x2 - x1, y2 - y1);
    addPath(path);

    cairo_fill_rule_t savedFillRule = cairo_get_fill_rule(cr);
    cairo_set_fill_rule(cr, CAIRO_FILL_RULE_EVEN_ODD);
    cairo_clip(cr);
    cairo_set_fill_rule(cr, savedFillRule);
}
示例#14
0
static int cairo_clip_extents_l( lua_State* L )
{
  double x1 = 0.0;
  double y1 = 0.0;
  double x2 = 0.0;
  double y2 = 0.0;
  lua_cairo_t* lc = lua_cairo_check( L, 1 );

  cairo_clip_extents( lc->cairo, &x1, &y1, &x2, &y2 );

  lua_pushnumber( L, x1 );
  lua_pushnumber( L, y1 );
  lua_pushnumber( L, x2 );
  lua_pushnumber( L, y2 );

  return( 4 );
}
void GraphicsContext::clipOut(const IntRect& r)
{
    if (paintingDisabled())
        return;

#if CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1,4,0)
    cairo_t* cr = m_data->cr;
    double x1, y1, x2, y2;
    cairo_clip_extents(cr, &x1, &y1, &x2, &y2);
    cairo_rectangle(cr, x1, x2, x2 - x1, y2 - y1);
    cairo_rectangle(cr, r.x(), r.y(), r.width(), r.height());
    cairo_fill_rule_t savedFillRule = cairo_get_fill_rule(cr);
    cairo_set_fill_rule(cr, CAIRO_FILL_RULE_EVEN_ODD);
    cairo_clip(cr);
    cairo_set_fill_rule(cr, savedFillRule);
#else
    notImplemented();
#endif
}
示例#16
0
static void
swfdec_shape_render (SwfdecGraphic *graphic, cairo_t *cr, 
    const SwfdecColorTransform *trans)
{
  SwfdecShape *shape = SWFDEC_SHAPE (graphic);
  SwfdecRect inval;
  GSList *walk;

  cairo_clip_extents (cr, &inval.x0, &inval.y0, &inval.x1, &inval.y1);

  for (walk = shape->draws; walk; walk = walk->next) {
    SwfdecDraw *draw = walk->data;

    if (!swfdec_rect_intersect (NULL, &draw->extents, &inval))
      continue;
    
    swfdec_draw_paint (draw, cr, trans);
  }
}
示例#17
0
static void
swfdec_morph_movie_render (SwfdecMovie *movie, cairo_t *cr, 
    const SwfdecColorTransform *trans)
{
  SwfdecMorphMovie *morph = SWFDEC_MORPH_MOVIE (movie);
  SwfdecRect inval;
  GSList *walk;

  if (morph->draws == NULL)
    swfdec_morph_movie_create_morphs (morph);

  cairo_clip_extents (cr, &inval.x0, &inval.y0, &inval.x1, &inval.y1);

  for (walk = morph->draws; walk; walk = walk->next) {
    SwfdecDraw *draw = walk->data;

    if (!swfdec_rect_intersect (NULL, &draw->extents, &inval))
      continue;
    
    swfdec_draw_paint (draw, cr, trans);
  }
}
示例#18
0
void GraphicsContext::clipOut(const IntRect& rect)
{
    if (paintingDisabled())
        return;

#if USE(WXGC)
    wxGraphicsContext* gc = m_data->context->GetGraphicsContext();

#if wxUSE_CAIRO
    double x1, y1, x2, y2;
    cairo_t* cr = (cairo_t*)gc->GetNativeContext();
    cairo_clip_extents(cr, &x1, &y1, &x2, &y2);
    cairo_rectangle(cr, x1, y1, x2 - x1, y2 - y1);
    cairo_rectangle(cr, rect.x(), rect.y(), rect.width(), rect.height());
    cairo_fill_rule_t savedFillRule = cairo_get_fill_rule(cr);
    cairo_set_fill_rule(cr, CAIRO_FILL_RULE_EVEN_ODD);
    cairo_clip(cr);
    cairo_set_fill_rule(cr, savedFillRule);

#elif __WXMAC__
    CGContextRef context = (CGContextRef)gc->GetNativeContext();

    CGRect rects[2] = { CGContextGetClipBoundingBox(context), CGRectMake(rect.x(), rect.y(), rect.width(), rect.height()) };
    CGContextBeginPath(context);
    CGContextAddRects(context, rects, 2);
    CGContextEOClip(context);
    return;

#elif __WXMSW__
    Gdiplus::Graphics* g = (Gdiplus::Graphics*)gc->GetNativeContext();
    Gdiplus::Region excludeRegion(Gdiplus::Rect(rect.x(), rect.y(), rect.width(), rect.height()));
    g->ExcludeClip(&excludeRegion);
    return; 
#endif

#endif // USE(WXGC)

    notImplemented();
}
示例#19
0
void PlatformContextCairo::clipForPatternFilling(const GraphicsContextState& state)
{
    ASSERT(state.fillPattern);

    // Hold current cairo path in a variable for restoring it after configuring the pattern clip rectangle.
    auto currentPath = cairo_copy_path(m_cr.get());
    cairo_new_path(m_cr.get());

    // Initialize clipping extent from current cairo clip extents, then shrink if needed according to pattern.
    // Inspired by GraphicsContextQt::drawRepeatPattern.
    double x1, y1, x2, y2;
    cairo_clip_extents(m_cr.get(), &x1, &y1, &x2, &y2);
    FloatRect clipRect(x1, y1, x2 - x1, y2 - y1);

    Image* patternImage = state.fillPattern->tileImage();
    ASSERT(patternImage);
    const AffineTransform& patternTransform = state.fillPattern->getPatternSpaceTransform();
    FloatRect patternRect = patternTransform.mapRect(FloatRect(0, 0, patternImage->width(), patternImage->height()));

    bool repeatX = state.fillPattern->repeatX();
    bool repeatY = state.fillPattern->repeatY();

    if (!repeatX) {
        clipRect.setX(patternRect.x());
        clipRect.setWidth(patternRect.width());
    }
    if (!repeatY) {
        clipRect.setY(patternRect.y());
        clipRect.setHeight(patternRect.height());
    }
    if (!repeatX || !repeatY) {
        cairo_rectangle(m_cr.get(), clipRect.x(), clipRect.y(), clipRect.width(), clipRect.height());
        cairo_clip(m_cr.get());
    }

    // Restoring cairo path.
    cairo_append_path(m_cr.get(), currentPath);
    cairo_path_destroy(currentPath);
}
示例#20
0
文件: dblock.c 项目: H2Lib/H2Lib
void
cairodraw_dblock(cairo_t * cr, pcdblock b, int levels)
{
  double    sx, sy, ex, ey;
  uint      rsize, csize;
  double    scalex, scaley, scale;

  /* Save Cairo state */
  cairo_save(cr);

  /* Obtain size of block */
  rsize = b->rc->size;
  csize = b->cc->size;

  /* Obtain size of current Cairo bounding box */
  cairo_clip_extents(cr, &sx, &sy, &ex, &ey);

  /* Compute scaling factor */
  scalex = (ex - sx) / rsize;
  scaley = (ey - sy) / csize;
  scale = (scalex < scaley ? scalex : scaley);

  /* Center block in bounding box */
  cairo_translate(cr,
		  0.5 * (ex - sx - scale * rsize),
		  0.5 * (ey - sy - scale * csize));

  /* Scale coordinates */
  cairo_scale(cr, scale, scale);
  cairo_set_line_width(cr, cairo_get_line_width(cr) / scale);

  /* Start drawing */
  cairodraw_subblock(cr, b, levels);

  /* Restore Cairo state */
  cairo_restore(cr);
}
示例#21
0
	void lime_cairo_clip_extents (value handle, double x1, double y1, double x2, double y2) {
		
		cairo_clip_extents ((cairo_t*)val_data (handle), &x1, &y1, &x2, &y2);
		
	}
示例#22
0
	void lime_cairo_clip_extents (double handle, double x1, double y1, double x2, double y2) {
		
		cairo_clip_extents ((cairo_t*)(intptr_t)handle, &x1, &y1, &x2, &y2);
		
	}
示例#23
0
文件: window.c 项目: ysei/NetSurf
static gboolean
nsgtk_window_draw_event(GtkWidget *widget, cairo_t *cr, gpointer data)
{
	struct gui_window *gw = data;
	struct gui_window *z;
	struct rect clip;
	struct redraw_context ctx = {
		.interactive = true,
		.background_images = true,
		.plot = &nsgtk_plotters
	};

	double x1;
	double y1;
	double x2;
	double y2;

	assert(gw);
	assert(gw->bw);

	for (z = window_list; z && z != gw; z = z->next)
		continue;
	assert(z);
	assert(GTK_WIDGET(gw->layout) == widget);

	current_widget = (GtkWidget *)gw->layout;
	current_cr = cr;

	GtkAdjustment *vscroll = nsgtk_layout_get_vadjustment(gw->layout);
	GtkAdjustment *hscroll = nsgtk_layout_get_hadjustment(gw->layout);

	cairo_clip_extents(cr, &x1, &y1, &x2, &y2);

	clip.x0 = x1;
	clip.y0 = y1;
	clip.x1 = x2;
	clip.y1 = y2;

	browser_window_redraw(gw->bw,
			      -gtk_adjustment_get_value(hscroll),
			      -gtk_adjustment_get_value(vscroll),
			      &clip,
			      &ctx);

	if (gw->careth != 0) {
		nsgtk_plot_caret(gw->caretx, gw->carety, gw->careth);
	}

	current_widget = NULL;

	return FALSE;
}

#else

static gboolean
nsgtk_window_draw_event(GtkWidget *widget, GdkEventExpose *event, gpointer data)
{
	struct gui_window *gw = data;
	struct gui_window *z;
	struct rect clip;
	struct redraw_context ctx = {
		.interactive = true,
		.background_images = true,
		.plot = &nsgtk_plotters
	};

	assert(gw);
	assert(gw->bw);

	for (z = window_list; z && z != gw; z = z->next)
		continue;
	assert(z);
	assert(GTK_WIDGET(gw->layout) == widget);

	current_widget = (GtkWidget *)gw->layout;
	current_cr = gdk_cairo_create(nsgtk_layout_get_bin_window(gw->layout));

	clip.x0 = event->area.x;
	clip.y0 = event->area.y;
	clip.x1 = event->area.x + event->area.width;
	clip.y1 = event->area.y + event->area.height;

	browser_window_redraw(gw->bw, 0, 0, &clip, &ctx);

	if (gw->careth != 0) {
		nsgtk_plot_caret(gw->caretx, gw->carety, gw->careth);
	}

	cairo_destroy(current_cr);

	current_widget = NULL;

	return FALSE;
}

#endif

static gboolean nsgtk_window_motion_notify_event(GtkWidget *widget,
					  GdkEventMotion *event, gpointer data)
{
	struct gui_window *g = data;
	bool shift = event->state & GDK_SHIFT_MASK;
	bool ctrl = event->state & GDK_CONTROL_MASK;

	if ((abs(event->x - g->last_x) < 5) &&
	    (abs(event->y - g->last_y) < 5)) {
		/* Mouse hasn't moved far enough from press coordinate for this
		 * to be considered a drag. */
		return FALSE;
	} else {
		/* This is a drag, ensure it's always treated as such, even if
		 * we drag back over the press location */
		g->last_x = INT_MIN;
		g->last_y = INT_MIN;
	}

	if (g->mouse.state & BROWSER_MOUSE_PRESS_1) {
		/* Start button 1 drag */
		browser_window_mouse_click(g->bw, BROWSER_MOUSE_DRAG_1,
				g->mouse.pressed_x, g->mouse.pressed_y);

		/* Replace PRESS with HOLDING and declare drag in progress */
		g->mouse.state ^= (BROWSER_MOUSE_PRESS_1 |
				BROWSER_MOUSE_HOLDING_1);
		g->mouse.state |= BROWSER_MOUSE_DRAG_ON;
	} else if (g->mouse.state & BROWSER_MOUSE_PRESS_2) {
		/* Start button 2 drag */
		browser_window_mouse_click(g->bw, BROWSER_MOUSE_DRAG_2,
				g->mouse.pressed_x, g->mouse.pressed_y);

		/* Replace PRESS with HOLDING and declare drag in progress */
		g->mouse.state ^= (BROWSER_MOUSE_PRESS_2 |
				BROWSER_MOUSE_HOLDING_2);
		g->mouse.state |= BROWSER_MOUSE_DRAG_ON;
	}

	/* Handle modifiers being removed */
	if (g->mouse.state & BROWSER_MOUSE_MOD_1 && !shift)
		g->mouse.state ^= BROWSER_MOUSE_MOD_1;
	if (g->mouse.state & BROWSER_MOUSE_MOD_2 && !ctrl)
		g->mouse.state ^= BROWSER_MOUSE_MOD_2;

	browser_window_mouse_track(g->bw, g->mouse.state,
			event->x / browser_window_get_scale(g->bw),
			event->y / browser_window_get_scale(g->bw));

	return TRUE;
}

static gboolean nsgtk_window_button_press_event(GtkWidget *widget,
					 GdkEventButton *event, gpointer data)
{
	struct gui_window *g = data;

	gtk_widget_grab_focus(GTK_WIDGET(g->layout));
	gtk_widget_hide(GTK_WIDGET(nsgtk_scaffolding_history_window(
			g->scaffold)->window));

	g->mouse.pressed_x = event->x / browser_window_get_scale(g->bw);
	g->mouse.pressed_y = event->y / browser_window_get_scale(g->bw);

	switch (event->button) {
	case 1:	/* Left button, usually. Pass to core as BUTTON 1. */
		g->mouse.state = BROWSER_MOUSE_PRESS_1;
		break;

	case 2:	/* Middle button, usually. Pass to core as BUTTON 2 */
		g->mouse.state = BROWSER_MOUSE_PRESS_2;
		break;

	case 3:	/* Right button, usually. Action button, context menu. */
		browser_window_remove_caret(g->bw, true);
		nsgtk_scaffolding_popup_menu(g->scaffold, g->mouse.pressed_x,
				g->mouse.pressed_y);
		return TRUE;

	default:
		return FALSE;
	}

	/* Modify for double & triple clicks */
	if (event->type == GDK_3BUTTON_PRESS)
		g->mouse.state |= BROWSER_MOUSE_TRIPLE_CLICK;
	else if (event->type == GDK_2BUTTON_PRESS)
		g->mouse.state |= BROWSER_MOUSE_DOUBLE_CLICK;

	/* Handle the modifiers too */
	if (event->state & GDK_SHIFT_MASK)
		g->mouse.state |= BROWSER_MOUSE_MOD_1;
	if (event->state & GDK_CONTROL_MASK)
		g->mouse.state |= BROWSER_MOUSE_MOD_2;

	/* Record where we pressed, for use when determining whether to start
	 * a drag in motion notify events. */
	g->last_x = event->x;
	g->last_y = event->y;

	browser_window_mouse_click(g->bw, g->mouse.state, g->mouse.pressed_x,
			g->mouse.pressed_y);

	return TRUE;
}

static gboolean nsgtk_window_button_release_event(GtkWidget *widget,
					 GdkEventButton *event, gpointer data)
{
	struct gui_window *g = data;
	bool shift = event->state & GDK_SHIFT_MASK;
	bool ctrl = event->state & GDK_CONTROL_MASK;

	/* If the mouse state is PRESS then we are waiting for a release to emit
	 * a click event, otherwise just reset the state to nothing */
	if (g->mouse.state & BROWSER_MOUSE_PRESS_1)
		g->mouse.state ^= (BROWSER_MOUSE_PRESS_1 | BROWSER_MOUSE_CLICK_1);
	else if (g->mouse.state & BROWSER_MOUSE_PRESS_2)
		g->mouse.state ^= (BROWSER_MOUSE_PRESS_2 | BROWSER_MOUSE_CLICK_2);

	/* Handle modifiers being removed */
	if (g->mouse.state & BROWSER_MOUSE_MOD_1 && !shift)
		g->mouse.state ^= BROWSER_MOUSE_MOD_1;
	if (g->mouse.state & BROWSER_MOUSE_MOD_2 && !ctrl)
		g->mouse.state ^= BROWSER_MOUSE_MOD_2;

	if (g->mouse.state & (BROWSER_MOUSE_CLICK_1 | BROWSER_MOUSE_CLICK_2)) {
		browser_window_mouse_click(g->bw, g->mouse.state,
				event->x / browser_window_get_scale(g->bw),
				event->y / browser_window_get_scale(g->bw));
	} else {
		browser_window_mouse_track(g->bw, 0,
				event->x / browser_window_get_scale(g->bw),
				event->y / browser_window_get_scale(g->bw));
	}

	g->mouse.state = 0;
	return TRUE;
}

static gboolean
nsgtk_window_scroll_event(GtkWidget *widget,
			  GdkEventScroll *event,
			  gpointer data)
{
	struct gui_window *g = data;
	double value;
	double deltax = 0;
	double deltay = 0;
	GtkAdjustment *vscroll = nsgtk_layout_get_vadjustment(g->layout);
	GtkAdjustment *hscroll = nsgtk_layout_get_hadjustment(g->layout);
	GtkAllocation alloc;

	switch (event->direction) {
	case GDK_SCROLL_LEFT:
		deltax = -1.0;
		break;

	case GDK_SCROLL_UP:
		deltay = -1.0;
		break;

	case GDK_SCROLL_RIGHT:
		deltax = 1.0;
		break;

	case GDK_SCROLL_DOWN:
		deltay = 1.0;
		break;

#if GTK_CHECK_VERSION(3,4,0)
	case GDK_SCROLL_SMOOTH:
		gdk_event_get_scroll_deltas((GdkEvent *)event, &deltax, &deltay);
		break;
#endif
	default:
		LOG(("Unhandled mouse scroll direction"));
		return TRUE;
	}

	deltax *= nsgtk_adjustment_get_step_increment(hscroll);
	deltay *= nsgtk_adjustment_get_step_increment(vscroll);

	if (browser_window_scroll_at_point(g->bw,
			event->x / browser_window_get_scale(g->bw),
			event->y / browser_window_get_scale(g->bw),
			deltax, deltay) != true) {

		/* core did not handle event so change adjustments */

		/* Horizontal */
		if (deltax != 0) {
			value = gtk_adjustment_get_value(hscroll) + deltax;

			/* @todo consider gtk_widget_get_allocated_width() */
			nsgtk_widget_get_allocation(GTK_WIDGET(g->layout), &alloc);

			if (value > nsgtk_adjustment_get_upper(hscroll) - alloc.width) {
				value = nsgtk_adjustment_get_upper(hscroll) - alloc.width;
			}
			if (value < nsgtk_adjustment_get_lower(hscroll)) {
				value = nsgtk_adjustment_get_lower(hscroll);
			}

			gtk_adjustment_set_value(hscroll, value);
		}

		/* Vertical */
		if (deltay != 0) {
			value = gtk_adjustment_get_value(vscroll) + deltay;

			/* @todo consider gtk_widget_get_allocated_height */
			nsgtk_widget_get_allocation(GTK_WIDGET(g->layout), &alloc);

			if (value > (nsgtk_adjustment_get_upper(vscroll) - alloc.height)) {
				value = nsgtk_adjustment_get_upper(vscroll) - alloc.height;
			}
			if (value < nsgtk_adjustment_get_lower(vscroll)) {
				value = nsgtk_adjustment_get_lower(vscroll);
			}

			gtk_adjustment_set_value(vscroll, value);
		}
	}

	return TRUE;
}

static gboolean nsgtk_window_keypress_event(GtkWidget *widget,
				GdkEventKey *event, gpointer data)
{
	struct gui_window *g = data;
	uint32_t nskey = gtk_gui_gdkkey_to_nskey(event);

	if (browser_window_key_press(g->bw, nskey))
		return TRUE;

	if ((event->state & 0x7) != 0)
		return TRUE;

	double value;
	GtkAdjustment *vscroll = nsgtk_layout_get_vadjustment(g->layout);
	GtkAdjustment *hscroll = nsgtk_layout_get_hadjustment(g->layout);
	GtkAllocation alloc;

	/* @todo consider gtk_widget_get_allocated_width() */
	nsgtk_widget_get_allocation(GTK_WIDGET(g->layout), &alloc);

	switch (event->keyval) {

	case GDK_KEY(Home):
	case GDK_KEY(KP_Home):
		value = nsgtk_adjustment_get_lower(vscroll);
		gtk_adjustment_set_value(vscroll, value);
		break;

	case GDK_KEY(End):
	case GDK_KEY(KP_End):
		value = nsgtk_adjustment_get_upper(vscroll) - alloc.height;

		if (value < nsgtk_adjustment_get_lower(vscroll))
			value = nsgtk_adjustment_get_lower(vscroll);

		gtk_adjustment_set_value(vscroll, value);
		break;

	case GDK_KEY(Left):
	case GDK_KEY(KP_Left):
		value = gtk_adjustment_get_value(hscroll) -
			nsgtk_adjustment_get_step_increment(hscroll);

		if (value < nsgtk_adjustment_get_lower(hscroll))
			value = nsgtk_adjustment_get_lower(hscroll);

		gtk_adjustment_set_value(hscroll, value);
		break;

	case GDK_KEY(Up):
	case GDK_KEY(KP_Up):
		value = gtk_adjustment_get_value(vscroll) -
			nsgtk_adjustment_get_step_increment(vscroll);

		if (value < nsgtk_adjustment_get_lower(vscroll))
			value = nsgtk_adjustment_get_lower(vscroll);

		gtk_adjustment_set_value(vscroll, value);
		break;

	case GDK_KEY(Right):
	case GDK_KEY(KP_Right):
		value = gtk_adjustment_get_value(hscroll) +
			nsgtk_adjustment_get_step_increment(hscroll);

		if (value > nsgtk_adjustment_get_upper(hscroll) - alloc.width)
			value = nsgtk_adjustment_get_upper(hscroll) - alloc.width;

		gtk_adjustment_set_value(hscroll, value);
		break;

	case GDK_KEY(Down):
	case GDK_KEY(KP_Down):
		value = gtk_adjustment_get_value(vscroll) +
			nsgtk_adjustment_get_step_increment(vscroll);

		if (value > nsgtk_adjustment_get_upper(vscroll) - alloc.height)
			value = nsgtk_adjustment_get_upper(vscroll) - alloc.height;

		gtk_adjustment_set_value(vscroll, value);
		break;

	case GDK_KEY(Page_Up):
	case GDK_KEY(KP_Page_Up):
		value = gtk_adjustment_get_value(vscroll) -
			nsgtk_adjustment_get_page_increment(vscroll);

		if (value < nsgtk_adjustment_get_lower(vscroll))
			value = nsgtk_adjustment_get_lower(vscroll);

		gtk_adjustment_set_value(vscroll, value);
		break;

	case GDK_KEY(Page_Down):
	case GDK_KEY(KP_Page_Down):
		value = gtk_adjustment_get_value(vscroll) +
			nsgtk_adjustment_get_page_increment(vscroll);

		if (value > nsgtk_adjustment_get_upper(vscroll) - alloc.height)
			value = nsgtk_adjustment_get_upper(vscroll) - alloc.height;

		gtk_adjustment_set_value(vscroll, value);
		break;

	default:
		break;

	}

	return TRUE;
}

static gboolean nsgtk_window_size_allocate_event(GtkWidget *widget,
		GtkAllocation *allocation, gpointer data)
{
	struct gui_window *g = data;

	g->bw->reformat_pending = true;
	browser_reformat_pending = true;


	return TRUE;
}


/**  when the pane position is changed update the user option
 *
 * The slightly awkward implementation with the first allocation flag
 * is necessary because the initial window creation does not cause an
 * allocate-event signal so the position value in the pane is incorrect
 * and we cannot know what it should be until after the allocation
 * (which did not generate a signal) is done as the user position is a
 * percentage of pane total width not an absolute value.
 */
static void
nsgtk_paned_notify__position(GObject *gobject, GParamSpec *pspec, gpointer data)
{
	struct gui_window *g = data;
	GtkAllocation pane_alloc;

	gtk_widget_get_allocation(GTK_WIDGET(g->paned), &pane_alloc);

	if (g->paned_sized == false)
	{
		g->paned_sized = true;
		gtk_paned_set_position(g->paned,
		(nsoption_int(toolbar_status_size) * pane_alloc.width) / 10000);
		return;
	}

	nsoption_set_int(toolbar_status_size,
	 ((gtk_paned_get_position(g->paned) * 10000) / (pane_alloc.width - 1)));
}

/** Set status bar / scroll bar proportion according to user option
 * when pane is resized.
 */
static gboolean nsgtk_paned_size_allocate_event(GtkWidget *widget,
		GtkAllocation *allocation, gpointer data)
{
	gtk_paned_set_position(GTK_PANED(widget),
	       (nsoption_int(toolbar_status_size) * allocation->width) / 10000);

	return TRUE;
}

/* destroy the browsing context as there is nothing to display it now */
static void window_destroy(GtkWidget *widget, gpointer data)
{
	struct gui_window *gw = data;

	browser_window_destroy(gw->bw);
}

/* Core interface documented in desktop/gui.h to create a gui_window */
static struct gui_window *
gui_window_create(struct browser_window *bw,
		struct gui_window *existing,
		gui_window_create_flags flags)
{
	struct gui_window *g; /**< what we're creating to return */
	GError* error = NULL;
	bool tempback;
	GtkBuilder* xml;

	/* open builder file first to ease error handling on faliure */
	xml = gtk_builder_new();
	if (!gtk_builder_add_from_file(xml,
				       glade_file_location->tabcontents,
				       &error)) {
		g_warning ("Couldn't load builder file: %s", error->message);
		g_error_free(error);
		return NULL;
	}

	g = calloc(1, sizeof(*g));
	if (!g) {
		warn_user("NoMemory", 0);
		g_object_unref(xml);
		return NULL;
	}

	LOG(("Creating gui window %p for browser window %p", g, bw));

	g->bw = bw;
	g->mouse.state = 0;
	g->current_pointer = GUI_POINTER_DEFAULT;
	if (flags & GW_CREATE_CLONE) {
		assert(existing != NULL);
		bw->scale = existing->bw->scale;
	} else {
		bw->scale = nsoption_int(scale) / 100;
	}

	/* attach scaffold */
	if (flags & GW_CREATE_TAB) {
		assert(existing != NULL);
		g->scaffold = existing->scaffold;
	} else {
		/* Now construct and attach a scaffold */
		g->scaffold = nsgtk_new_scaffolding(g);
	}
	if (g->scaffold == NULL) {
		warn_user("NoMemory", 0);
		free(g);
		g_object_unref(xml);
		return NULL;
	}

	/* Construct our primary elements */
	g->container = GTK_WIDGET(gtk_builder_get_object(xml, "tabContents"));
	g->layout = GTK_LAYOUT(gtk_builder_get_object(xml, "layout"));
	g->status_bar = GTK_LABEL(gtk_builder_get_object(xml, "status_bar"));
	g->paned = GTK_PANED(gtk_builder_get_object(xml, "hpaned1"));


	/* add new gui window to global list (push_top) */
	if (window_list) {
		window_list->prev = g;
	}
	g->next = window_list;
	g->prev = NULL;
	window_list = g;

	/* set the events we're interested in receiving from the browser's
	 * drawing area.
	 */
	gtk_widget_add_events(GTK_WIDGET(g->layout),
				GDK_EXPOSURE_MASK |
				GDK_LEAVE_NOTIFY_MASK |
				GDK_BUTTON_PRESS_MASK |
				GDK_BUTTON_RELEASE_MASK |
				GDK_POINTER_MOTION_MASK |
				GDK_POINTER_MOTION_HINT_MASK |
				GDK_KEY_PRESS_MASK |
				GDK_KEY_RELEASE_MASK |
				GDK_SCROLL_MASK);
	nsgtk_widget_set_can_focus(GTK_WIDGET(g->layout), TRUE);

	/* set the default background colour of the drawing area to white. */
	nsgtk_widget_override_background_color(GTK_WIDGET(g->layout),
					       GTK_STATE_NORMAL,
					       0, 0xffff, 0xffff, 0xffff);

	nsgtk_connect_draw_event(GTK_WIDGET(g->layout),
				 G_CALLBACK(nsgtk_window_draw_event), g);

	/* layout signals */
	CONNECT(g->layout, "motion-notify-event",
			nsgtk_window_motion_notify_event, g);
	g->signalhandler[NSGTK_WINDOW_SIGNAL_CLICK] =
			CONNECT(g->layout, "button-press-event",
			nsgtk_window_button_press_event, g);
	CONNECT(g->layout, "button-release-event",
			nsgtk_window_button_release_event, g);
	CONNECT(g->layout, "key-press-event",
			nsgtk_window_keypress_event, g);
	CONNECT(g->layout, "size-allocate",
			nsgtk_window_size_allocate_event, g);
	CONNECT(g->layout, "scroll-event",
			nsgtk_window_scroll_event, g);

	/* status pane signals */
	CONNECT(g->paned, "size-allocate",
		nsgtk_paned_size_allocate_event, g);

	CONNECT(g->paned, "notify::position",
		nsgtk_paned_notify__position, g);

	/* gtk container destructor */
	CONNECT(g->container, "destroy",
		window_destroy, g);

	/* add the tab container to the scaffold notebook */
	switch (temp_open_background) {
	case -1:
		tempback = !(nsoption_bool(focus_new));
		break;
	case 0:
		tempback = false;
		break;
	default:
		tempback = true;
		break;
	}
	nsgtk_tab_add(g, g->container, tempback);

	/* safe to drop the reference to the xml as the container is
	 * referenced by the notebook now.
	 */
	g_object_unref(xml);

	return g;
}



void nsgtk_reflow_all_windows(void)
{
	for (struct gui_window *g = window_list; g; g = g->next) {
		nsgtk_tab_options_changed(
				nsgtk_scaffolding_notebook(g->scaffold));
		g->bw->reformat_pending = true;
	}

	browser_reformat_pending = true;
}


/**
 * Process pending reformats
 */

void nsgtk_window_process_reformats(void)
{
	struct gui_window *g;
	GtkAllocation alloc;

	browser_reformat_pending = false;
	for (g = window_list; g; g = g->next) {
		if (!g->bw->reformat_pending)
			continue;

		g->bw->reformat_pending = false;

		/* @todo consider gtk_widget_get_allocated_width() */
		nsgtk_widget_get_allocation(GTK_WIDGET(g->layout), &alloc);

		browser_window_reformat(g->bw, false, alloc.width, alloc.height);
	}
}

void nsgtk_window_destroy_browser(struct gui_window *gw)
{
	/* remove tab */
	gtk_widget_destroy(gw->container);
}
示例#24
0
IntRect GraphicsContext::clipBounds() const
{
    double x1, x2, y1, y2;
    cairo_clip_extents(platformContext()->cr(), &x1, &y1, &x2, &y2);
    return enclosingIntRect(FloatRect(x1, y1, x2 - x1, y2 - y1));
}
示例#25
0
void Context::clipExtents( double *x1, double *y1, double *x2, double *y2 )
{
	cairo_clip_extents( mCairo, x1, y1, x2, y2 );
}
示例#26
0
文件: gtkrender.c 项目: Vort/gtk
static void
gtk_css_style_render_frame_gap (GtkCssStyle     *style,
                                cairo_t         *cr,
                                gdouble          x,
                                gdouble          y,
                                gdouble          width,
                                gdouble          height,
                                GtkPositionType  gap_side,
                                gdouble          xy0_gap,
                                gdouble          xy1_gap,
                                GtkJunctionSides junction)
{
  gint border_width;
  GtkCssValue *corner[4];
  gdouble x0, y0, x1, y1, xc = 0.0, yc = 0.0, wc = 0.0, hc = 0.0;
  GtkBorder border;

  border.top = _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_TOP_WIDTH), 100);
  border.right = _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_RIGHT_WIDTH), 100);
  border.bottom = _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_BOTTOM_WIDTH), 100);
  border.left = _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_LEFT_WIDTH), 100);
  corner[GTK_CSS_TOP_LEFT] = gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_TOP_LEFT_RADIUS);
  corner[GTK_CSS_TOP_RIGHT] = gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_TOP_RIGHT_RADIUS);
  corner[GTK_CSS_BOTTOM_LEFT] = gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_BOTTOM_LEFT_RADIUS);
  corner[GTK_CSS_BOTTOM_RIGHT] = gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_BOTTOM_RIGHT_RADIUS);

  border_width = MIN (MIN (border.top, border.bottom),
                      MIN (border.left, border.right));

  cairo_save (cr);

  switch (gap_side)
    {
    case GTK_POS_TOP:
      xc = x + xy0_gap + border_width;
      yc = y;
      wc = MAX (xy1_gap - xy0_gap - 2 * border_width, 0);
      hc = border_width;

      if (xy0_gap < _gtk_css_corner_value_get_x (corner[GTK_CSS_TOP_LEFT], width))
        junction |= GTK_JUNCTION_CORNER_TOPLEFT;

      if (xy1_gap > width - _gtk_css_corner_value_get_x (corner[GTK_CSS_TOP_RIGHT], width))
        junction |= GTK_JUNCTION_CORNER_TOPRIGHT;
      break;
    case GTK_POS_BOTTOM:
      xc = x + xy0_gap + border_width;
      yc = y + height - border_width;
      wc = MAX (xy1_gap - xy0_gap - 2 * border_width, 0);
      hc = border_width;

      if (xy0_gap < _gtk_css_corner_value_get_x (corner[GTK_CSS_BOTTOM_LEFT], width))
        junction |= GTK_JUNCTION_CORNER_BOTTOMLEFT;

      if (xy1_gap > width - _gtk_css_corner_value_get_x (corner[GTK_CSS_BOTTOM_RIGHT], width))
        junction |= GTK_JUNCTION_CORNER_BOTTOMRIGHT;

      break;
    case GTK_POS_LEFT:
      xc = x;
      yc = y + xy0_gap + border_width;
      wc = border_width;
      hc = MAX (xy1_gap - xy0_gap - 2 * border_width, 0);

      if (xy0_gap < _gtk_css_corner_value_get_y (corner[GTK_CSS_TOP_LEFT], height))
        junction |= GTK_JUNCTION_CORNER_TOPLEFT;

      if (xy1_gap > height - _gtk_css_corner_value_get_y (corner[GTK_CSS_BOTTOM_LEFT], height))
        junction |= GTK_JUNCTION_CORNER_BOTTOMLEFT;

      break;
    case GTK_POS_RIGHT:
      xc = x + width - border_width;
      yc = y + xy0_gap + border_width;
      wc = border_width;
      hc = MAX (xy1_gap - xy0_gap - 2 * border_width, 0);

      if (xy0_gap < _gtk_css_corner_value_get_y (corner[GTK_CSS_TOP_RIGHT], height))
        junction |= GTK_JUNCTION_CORNER_TOPRIGHT;

      if (xy1_gap > height - _gtk_css_corner_value_get_y (corner[GTK_CSS_BOTTOM_RIGHT], height))
        junction |= GTK_JUNCTION_CORNER_BOTTOMRIGHT;

      break;
    }

  cairo_clip_extents (cr, &x0, &y0, &x1, &y1);
  cairo_rectangle (cr, x0, y0, x1 - x0, yc - y0);
  cairo_rectangle (cr, x0, yc, xc - x0, hc);
  cairo_rectangle (cr, xc + wc, yc, x1 - (xc + wc), hc);
  cairo_rectangle (cr, x0, yc + hc, x1 - x0, y1 - (yc + hc));
  cairo_clip (cr);

  gtk_css_style_render_border (style, cr,
                               x, y, width, height,
                               0, junction);

  cairo_restore (cr);
}
示例#27
0
PangoLayout*
gdip_pango_setup_layout (GpGraphics *graphics, GDIPCONST WCHAR *stringUnicode, int length, GDIPCONST GpFont *font,
	GDIPCONST RectF *rc, RectF *box, GDIPCONST GpStringFormat *format, int **charsRemoved)
{
	GpStringFormat *fmt;
	PangoLayout *layout;
	PangoContext *context;
	PangoRectangle logical;   /* logical size of text (used for alignment) */
	PangoRectangle ink;       /* ink size of text (to pixel boundaries) */
	PangoAttrList *list = NULL;
	GString *ftext;
	PangoTabArray *tabs;
	PangoLayoutIter *iter;
	int i;
	int FrameWidth;     /* rc->Width (or rc->Height if vertical) */
	int FrameHeight;    /* rc->Height (or rc->Width if vertical) */
	int FrameX;         /* rc->X (or rc->Y if vertical) */
	int FrameY;         /* rc->Y (or rc->X if vertical) */
	int y0;             /* y0,y1,clipNN used for checking line positions vs. clip rectangle */
	int y1;
	double clipx1;
	double clipx2;
	double clipy1;
	double clipy2;
	int trimSpace;      /* whether or not to trim the space */

	gchar *text = ucs2_to_utf8 (stringUnicode, length);
	if (!text)
		return NULL;
	length = strlen(text);

	if (charsRemoved) {
		(*charsRemoved) = GdipAlloc (sizeof (int) * length);
		if (!*charsRemoved) {
			GdipFree (text);
		return NULL;
		}
		memset (*charsRemoved, 0, sizeof (int) * length);
	}

	/* TODO - Digit substitution */

// g_warning ("layout >%s< (%d) [x %g, y %g, w %g, h %g] [font %s, %g points]", text, length, rc->X, rc->Y, rc->Width, FrameHeight, font->face, font->emSize);

	/* a NULL format is valid, it means get the generic default values (and free them later) */
	if (!format) {
		GpStatus status = GdipStringFormatGetGenericDefault ((GpStringFormat **)&fmt);
		if (status != Ok) {
			GdipFree (text);
			return NULL;
		}
	} else {
		fmt = (GpStringFormat *)format;
	}

	layout = pango_cairo_create_layout (graphics->ct);

	/* context is owned by Pango (i.e. not referenced counted) do not free */
	context = pango_layout_get_context (layout);

	pango_layout_set_font_description (layout, gdip_get_pango_font_description ((GpFont*) font));

	if (fmt->formatFlags & StringFormatFlagsDirectionVertical) {
		FrameWidth = MAKE_SAFE_FOR_PANGO (SAFE_FLOAT_TO_UINT32 (rc->Height));
		FrameHeight = MAKE_SAFE_FOR_PANGO (SAFE_FLOAT_TO_UINT32 (rc->Width));
		FrameX = SAFE_FLOAT_TO_UINT32 (rc->Y);
		FrameY = SAFE_FLOAT_TO_UINT32 (rc->X);
	} else {
		FrameWidth = MAKE_SAFE_FOR_PANGO (SAFE_FLOAT_TO_UINT32 (rc->Width));
		FrameHeight = MAKE_SAFE_FOR_PANGO (SAFE_FLOAT_TO_UINT32 (rc->Height));
		FrameX = SAFE_FLOAT_TO_UINT32 (rc->X);
		FrameY = SAFE_FLOAT_TO_UINT32 (rc->Y);
	}
	//g_warning("FW: %d\tFH: %d", FrameWidth, FrameHeight);

	if ((FrameWidth <= 0) || (fmt->formatFlags & StringFormatFlagsNoWrap)) {
		pango_layout_set_width (layout, -1);
		//g_warning ("Setting width: %d", -1);
	} else {
		pango_layout_set_width (layout, FrameWidth * PANGO_SCALE);
		//g_warning ("Setting width: %d", FrameWidth * PANGO_SCALE);
	}

	if ((rc->Width != 0) && (rc->Height != 0) && ((fmt->formatFlags & StringFormatFlagsNoClip) == 0)) {
// g_warning ("\tclip [%g %g %g %g]", rc->X, rc->Y, rc->Width, rc->Height);
		/* We do not call cairo_reset_clip because we want to take previous clipping into account */
		/* Use rc instead of frame variables because this is pre-transform */
		gdip_cairo_rectangle (graphics, rc->X, rc->Y, rc->Width, rc->Height, TRUE);
		cairo_clip (graphics->ct);
	}

		/* with GDI+ the API not the renderer makes the direction decision */
		pango_layout_set_auto_dir (layout, FALSE);
	if (!(fmt->formatFlags & StringFormatFlagsDirectionRightToLeft) != !(fmt->formatFlags & StringFormatFlagsDirectionVertical)) {
		pango_context_set_base_dir (context, PANGO_DIRECTION_WEAK_RTL);
		pango_layout_context_changed (layout);

		/* horizontal alignment */
		switch (fmt->alignment) {
		case StringAlignmentNear:
			pango_layout_set_alignment (layout, PANGO_ALIGN_RIGHT);
			break;
		case StringAlignmentCenter:
			pango_layout_set_alignment (layout, PANGO_ALIGN_CENTER);
			break;
		case StringAlignmentFar:
			pango_layout_set_alignment (layout, PANGO_ALIGN_LEFT);
			break;
		}
	} else {
		/* pango default base dir is WEAK_LTR, which is what we want */

		/* horizontal alignment */
		switch (fmt->alignment) {
		case StringAlignmentNear:
			pango_layout_set_alignment (layout, PANGO_ALIGN_LEFT);
			break;
		case StringAlignmentCenter:
			pango_layout_set_alignment (layout, PANGO_ALIGN_CENTER);
			break;
		case StringAlignmentFar:
			pango_layout_set_alignment (layout, PANGO_ALIGN_RIGHT);
			break;
		}
	}

#ifdef PANGO_VERSION_CHECK
#if PANGO_VERSION_CHECK(1,16,0)
	if (fmt->formatFlags & StringFormatFlagsDirectionVertical) {
		if (fmt->formatFlags & StringFormatFlagsDirectionRightToLeft) {
			cairo_rotate (graphics->ct, M_PI/2.0);
			cairo_translate (graphics->ct, 0, -FrameHeight);
			pango_cairo_update_context (graphics->ct, context);
		} else {
			cairo_rotate (graphics->ct, 3.0*M_PI/2.0);
			cairo_translate (graphics->ct, -FrameWidth, 0);
			pango_cairo_update_context (graphics->ct, context);
		}
		/* only since Pango 1.16 */
		pango_context_set_base_gravity (context, PANGO_GRAVITY_AUTO);
		pango_context_set_gravity_hint (context, PANGO_GRAVITY_HINT_LINE);
		pango_layout_context_changed (layout);
	}
#endif
#endif

	/* TODO - StringFormatFlagsDisplayFormatControl
		scan and replace them ??? */

	/* Trimming options seem to apply only to the end of the string - gdi+ will still wrap
	 * with preference to word first, then character.  Unfortunately, pango doesn't have
	 * any way to differentiate wrapping behavior from trimming behavior that I could find */
	pango_layout_set_wrap (layout, PANGO_WRAP_WORD_CHAR);
	switch (fmt->trimming) {
	case StringTrimmingNone:
		pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_NONE);
		break;
	case StringTrimmingCharacter:
		pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_NONE);
		break;
	case StringTrimmingWord:
		pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_NONE);
		break;
	case StringTrimmingEllipsisCharacter:
		pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
		if (!(fmt->formatFlags & StringFormatFlagsNoWrap))
			pango_layout_set_height (layout, FrameHeight == 0 ? G_MAXINT32 : FrameHeight * PANGO_SCALE);
		break;
	case StringTrimmingEllipsisWord:
		pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
		if (!(fmt->formatFlags & StringFormatFlagsNoWrap))
			pango_layout_set_height (layout, FrameHeight == 0 ? G_MAXINT32 : FrameHeight * PANGO_SCALE);
		break;
	case StringTrimmingEllipsisPath:
		pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_MIDDLE);
		if (!(fmt->formatFlags & StringFormatFlagsNoWrap))
			pango_layout_set_height (layout, FrameHeight == 0 ? G_MAXINT32 : FrameHeight * PANGO_SCALE);
		break;
	}

	/* some stuff can only be done by manipulating the attributes (but we can avoid this most of the time) */
	if ((fmt->formatFlags & StringFormatFlagsNoFontFallback) || (font->style & (FontStyleUnderline | FontStyleStrikeout))) {

		list = gdip_get_layout_attributes (layout);

		/* StringFormatFlagsNoFontFallback */
		if (fmt->formatFlags & StringFormatFlagsNoFontFallback) {
			PangoAttribute *attr = pango_attr_fallback_new (FALSE);
			attr->start_index = 0;
			attr->end_index = length;
			pango_attr_list_insert (list, attr);
		}

		if (font->style & FontStyleUnderline) {
			PangoAttribute *attr = pango_attr_underline_new (PANGO_UNDERLINE_SINGLE);
			attr->start_index = 0;
			attr->end_index = length;
			pango_attr_list_insert (list, attr);
		}

		if (font->style & FontStyleStrikeout) {
			PangoAttribute *attr = pango_attr_strikethrough_new (TRUE);
			attr->start_index = 0;
			attr->end_index = length;
			pango_attr_list_insert (list, attr);
		}
	}

	if (fmt->numtabStops > 0) {
		float tabPosition;
		tabs = pango_tab_array_new (fmt->numtabStops, FALSE);
		tabPosition = fmt->firstTabOffset;
		for (i = 0; i < fmt->numtabStops; i++) {
			tabPosition += fmt->tabStops[i];
			pango_tab_array_set_tab (tabs, i, PANGO_TAB_LEFT, (gint)min (tabPosition, PANGO_MAX) * PANGO_SCALE);
		}
		pango_layout_set_tabs (layout, tabs);
		pango_tab_array_free (tabs);
	}

	//g_warning ("length before ws removal: %d", length);
	trimSpace = (fmt->formatFlags & StringFormatFlagsMeasureTrailingSpaces) == 0;
	switch (fmt->hotkeyPrefix) {
	case HotkeyPrefixHide:
		/* we need to remove any accelerator from the string */
		ftext = gdip_process_string (text, length, 1, trimSpace, NULL, charsRemoved);
		break;
	case HotkeyPrefixShow:
		/* optimization: is seems that we never see the hotkey when using an underline font */
		if (font->style & FontStyleUnderline) {
			/* so don't bother drawing it (and simply add the '&' character) */
			ftext = gdip_process_string (text, length, 1, trimSpace, NULL, charsRemoved);
		} else {
			/* find accelerator and add attribute to the next character (unless it's the prefix too) */
			if (!list)
				list = gdip_get_layout_attributes (layout);
			ftext = gdip_process_string (text, length, 1, trimSpace, list, charsRemoved);
		}
		break;
	default:
		ftext = gdip_process_string (text, length, 0, trimSpace, NULL, charsRemoved);
		break;
	}
	length = ftext->len;
	//g_warning ("length after ws removal: %d", length);

	if (list) {
		pango_layout_set_attributes (layout, list);
		pango_attr_list_unref (list);
	}

// g_warning("\tftext>%s< (%d)", ftext->str, -1);
	pango_layout_set_text (layout, ftext->str, ftext->len);
	GdipFree (text);
	g_string_free(ftext, TRUE);

	/* Trim the text after the last line for ease of counting lines/characters */
	/* Also prevents drawing whole lines outside the boundaries if NoClip was specified */
	/* In case of pre-existing clipping, use smaller of clip rectangle or our specified height */
	if (FrameHeight > 0) {
		cairo_clip_extents (graphics->ct, &clipx1, &clipy1, &clipx2, &clipy2);
		if (clipy2 > 0 && !(fmt->formatFlags & StringFormatFlagsNoClip))
			clipy2 = min (clipy2, FrameHeight + FrameY);
		else
			clipy2 = FrameHeight + FrameY;
		iter = pango_layout_get_iter (layout);
		do {
			if (iter == NULL)
				break;
			pango_layout_iter_get_line_yrange (iter, &y0, &y1);
			//g_warning("yrange: %d  %d  clipy2: %f", y0 / PANGO_SCALE, y1 / PANGO_SCALE, clipy2);
			/* StringFormatFlagsLineLimit */
			if (((fmt->formatFlags & StringFormatFlagsLineLimit) && y1 / PANGO_SCALE > clipy2) || (y0 / PANGO_SCALE > clipy2)) {
				PangoLayoutLine *line = pango_layout_iter_get_line_readonly (iter);
				pango_layout_set_text (layout, pango_layout_get_text (layout), line->start_index);
				break;
			}
		} while (pango_layout_iter_next_line (iter));
		pango_layout_iter_free (iter);
	}

	pango_layout_get_pixel_extents (layout, &ink, &logical);
// g_warning ("\tlogical\t[x %d, y %d, w %d, h %d][x %d, y %d, w %d, h %d]", logical.x, logical.y, logical.width, logical.height, ink.x, ink.y, ink.width, ink.height);

	if ((fmt->formatFlags & StringFormatFlagsNoFitBlackBox) == 0) {
		/* By default don't allow overhang - ink space may be larger than logical space */
		if (fmt->formatFlags & StringFormatFlagsDirectionVertical) {
			box->X = min (ink.y, logical.y);
			box->Y = min (ink.x, logical.x);
			box->Height = max (ink.width, logical.width);
			box->Width = max (ink.height, logical.height);
		} else {
			box->X = min (ink.x, logical.x);
			box->Y = min (ink.y, logical.y);
			box->Height = max (ink.height, logical.height);
			box->Width = max (ink.width, logical.width);
		}
	} else {
		/* Allow overhang */
		if (fmt->formatFlags & StringFormatFlagsDirectionVertical) {
			box->X = logical.y;
			box->Y = logical.x;
			box->Height = logical.width;
			box->Width = logical.height;
		} else {
			box->X = logical.x;
			box->Y = logical.y;
	box->Height = logical.height;
			box->Width = logical.width;
		}
	}
// g_warning ("\tbox\t[x %g, y %g, w %g, h %g]", box->X, box->Y, box->Width, box->Height);

	/* vertical alignment*/
	if (fmt->formatFlags & StringFormatFlagsDirectionVertical) {
		switch (fmt->lineAlignment) {
		case StringAlignmentNear:
			break;
		case StringAlignmentCenter:
			box->X += (rc->Width - box->Width) / 2;
			break;
		case StringAlignmentFar:
			box->X += (rc->Width - box->Width);
			break;
		}
	} else {
	switch (fmt->lineAlignment) {
	case StringAlignmentNear:
		break;
	case StringAlignmentCenter:
			box->Y += (rc->Height - box->Height) / 2;
		break;
	case StringAlignmentFar:
			box->Y += (rc->Height - box->Height);
		break;
	}
	}
// g_warning ("va-box\t[x %g, y %g, w %g, h %g]", box->X, box->Y, box->Width, box->Height);

	pango_cairo_update_layout (graphics->ct, layout);

	return layout;
}
示例#28
0
文件: treeview.c 项目: ysei/NetSurf
static gboolean 
nsgtk_tree_window_draw_event(GtkWidget *widget, cairo_t *cr, gpointer data)
{
	struct tree *tree = (struct tree *)data;
	struct redraw_context ctx = {
		.interactive = true,
		.background_images = true,
		.plot = &nsgtk_plotters
	};
	double x1;
	double y1;
	double x2;
	double y2;
	
	current_widget = widget;
	current_cr = cr;
	
	cairo_clip_extents(cr, &x1, &y1, &x2, &y2);

	tree_draw(tree, 0, 0, x1, y1, x2 - x1, y2 - y1, &ctx);
	
	current_widget = NULL;
	
	return FALSE;
}

#else

/* signal handler functions for a tree window */
static gboolean 
nsgtk_tree_window_draw_event(GtkWidget *widget, GdkEventExpose *event, gpointer g)
{
	struct tree *tree = (struct tree *) g;
	struct redraw_context ctx = {
		.interactive = true,
		.background_images = true,
		.plot = &nsgtk_plotters
	};
	int x, y, width, height;
	
	x = event->area.x;
	y = event->area.y;
	width = event->area.width;
	height = event->area.height;
	
	current_widget = widget;
	current_cr = gdk_cairo_create(nsgtk_widget_get_window(widget));
	
	tree_draw(tree, 0, 0, x, y, width, height, &ctx);
	
	current_widget = NULL;
	cairo_destroy(current_cr);
	
	return FALSE;
}

#endif

void nsgtk_tree_window_hide(GtkWidget *widget, gpointer g)
{
}

gboolean nsgtk_tree_window_button_press_event(GtkWidget *widget,
		GdkEventButton *event, gpointer g)
{	
	struct nsgtk_treeview *tw = g;
	struct tree *tree = tw->tree;
	
	gtk_widget_grab_focus(GTK_WIDGET(tw->drawing_area));

	tw->mouse_pressed = true;	
	tw->mouse_pressed_x = event->x;
	tw->mouse_pressed_y = event->y;

	if (event->type == GDK_2BUTTON_PRESS)
		tw->mouse_state = BROWSER_MOUSE_DOUBLE_CLICK;
	
	switch (event->button) {
		case 1: tw->mouse_state |= BROWSER_MOUSE_PRESS_1; break;
		case 2: tw->mouse_state |= BROWSER_MOUSE_PRESS_2; break;
	}
	/* Handle the modifiers too */
	if (event->state & GDK_SHIFT_MASK)
		tw->mouse_state |= BROWSER_MOUSE_MOD_1;
	if (event->state & GDK_CONTROL_MASK)
		tw->mouse_state |= BROWSER_MOUSE_MOD_2;
	if (event->state & GDK_MOD1_MASK)
		tw->mouse_state |= BROWSER_MOUSE_MOD_3;

	/* Record where we pressed, for use when determining whether to start
	 * a drag in motion notify events. */
	tw->last_x = event->x;
	tw->last_y = event->y;

	tree_mouse_action(tree, tw->mouse_state, event->x, event->y);
	
	return TRUE;
}

gboolean nsgtk_tree_window_button_release_event(GtkWidget *widget,
		GdkEventButton *event, gpointer g)
{
	bool shift = event->state & GDK_SHIFT_MASK;
	bool ctrl = event->state & GDK_CONTROL_MASK;
	bool alt = event->state & GDK_MOD1_MASK;
	struct nsgtk_treeview *tw = (struct nsgtk_treeview *) g;
	struct tree *tree = tw->tree;

	/* We consider only button 1 clicks as double clicks.
	* If the mouse state is PRESS then we are waiting for a release to emit
	* a click event, otherwise just reset the state to nothing*/
	if (tw->mouse_state & BROWSER_MOUSE_DOUBLE_CLICK) {
		
		if (tw->mouse_state & BROWSER_MOUSE_PRESS_1)
			tw->mouse_state ^= BROWSER_MOUSE_PRESS_1 |
					BROWSER_MOUSE_CLICK_1;
		else if (tw->mouse_state & BROWSER_MOUSE_PRESS_2)
			tw->mouse_state ^= (BROWSER_MOUSE_PRESS_2 |
					BROWSER_MOUSE_CLICK_2 |
					BROWSER_MOUSE_DOUBLE_CLICK);
		
	} else if (tw->mouse_state & BROWSER_MOUSE_PRESS_1) {
		tw->mouse_state ^= (BROWSER_MOUSE_PRESS_1 |
				    BROWSER_MOUSE_CLICK_1);
	} else if (tw->mouse_state & BROWSER_MOUSE_PRESS_2) {
		tw->mouse_state ^= (BROWSER_MOUSE_PRESS_2 |
				    BROWSER_MOUSE_CLICK_2);
	} else if (tw->mouse_state & BROWSER_MOUSE_HOLDING_1) {
		tw->mouse_state ^= (BROWSER_MOUSE_HOLDING_1 |
				    BROWSER_MOUSE_DRAG_ON);
	} else if (tw->mouse_state & BROWSER_MOUSE_HOLDING_2) {
		tw->mouse_state ^= (BROWSER_MOUSE_HOLDING_2 |
				    BROWSER_MOUSE_DRAG_ON);
	}
	
	/* Handle modifiers being removed */
	if (tw->mouse_state & BROWSER_MOUSE_MOD_1 && !shift)
		tw->mouse_state ^= BROWSER_MOUSE_MOD_1;
	if (tw->mouse_state & BROWSER_MOUSE_MOD_2 && !ctrl)
		tw->mouse_state ^= BROWSER_MOUSE_MOD_2;
	if (tw->mouse_state & BROWSER_MOUSE_MOD_3 && !alt)
		tw->mouse_state ^= BROWSER_MOUSE_MOD_3;


	if (tw->mouse_state &
			~(BROWSER_MOUSE_MOD_1 |
			  BROWSER_MOUSE_MOD_2 |
			  BROWSER_MOUSE_MOD_3)) {
		tree_mouse_action(tree, tw->mouse_state,
				event->x, event->y);
	} else {
		tree_drag_end(tree, tw->mouse_state,
				tw->mouse_pressed_x,
				tw->mouse_pressed_y,
				event->x, event->y);
	}

	tw->mouse_state = 0;
	tw->mouse_pressed = false;
				
	return TRUE;	
}

gboolean nsgtk_tree_window_motion_notify_event(GtkWidget *widget,
		GdkEventMotion *event, gpointer g)
{
	bool shift = event->state & GDK_SHIFT_MASK;
	bool ctrl = event->state & GDK_CONTROL_MASK;
	bool alt = event->state & GDK_MOD1_MASK;
	struct nsgtk_treeview *tw = (struct nsgtk_treeview *) g;
	struct tree *tree = tw->tree;

	if (tw->mouse_pressed == false)
		return TRUE;

	if ((abs(event->x - tw->last_x) < 5) &&
			(abs(event->y - tw->last_y) < 5)) {
		/* Mouse hasn't moved far enough from press coordinate for this
		 * to be considered a drag. */
		return FALSE;
	} else {
		/* This is a drag, ensure it's always treated as such, even if
		 * we drag back over the press location */
		tw->last_x = INT_MIN;
		tw->last_y = INT_MIN;
	}
	
	if (tw->mouse_state & BROWSER_MOUSE_PRESS_1) {
		/* Start button 1 drag */
		tree_mouse_action(tree, BROWSER_MOUSE_DRAG_1,
				  tw->mouse_pressed_x, tw->mouse_pressed_y);
		/* Replace PRESS with HOLDING and declare drag in progress */
		tw->mouse_state ^= (BROWSER_MOUSE_PRESS_1 |
				BROWSER_MOUSE_HOLDING_1);
		tw->mouse_state |= BROWSER_MOUSE_DRAG_ON;
		return TRUE;
	}
	else if (tw->mouse_state & BROWSER_MOUSE_PRESS_2){
		/* Start button 2s drag */
		tree_mouse_action(tree, BROWSER_MOUSE_DRAG_2,
				  tw->mouse_pressed_x, tw->mouse_pressed_y);
		/* Replace PRESS with HOLDING and declare drag in progress */
		tw->mouse_state ^= (BROWSER_MOUSE_PRESS_2 |
				BROWSER_MOUSE_HOLDING_2);
		tw->mouse_state |= BROWSER_MOUSE_DRAG_ON;
		return TRUE;
	}

	/* Handle modifiers being removed */
	if (tw->mouse_state & BROWSER_MOUSE_MOD_1 && !shift)
		tw->mouse_state ^= BROWSER_MOUSE_MOD_1;
	if (tw->mouse_state & BROWSER_MOUSE_MOD_2 && !ctrl)
		tw->mouse_state ^= BROWSER_MOUSE_MOD_2;
	if (tw->mouse_state & BROWSER_MOUSE_MOD_3 && !alt)
		tw->mouse_state ^= BROWSER_MOUSE_MOD_3;
	
	if (tw->mouse_state & (BROWSER_MOUSE_HOLDING_1 |
			BROWSER_MOUSE_HOLDING_2))
		tree_mouse_action(tree, tw->mouse_state, event->x,
				event->y);
	
	return TRUE;
}
示例#29
0
static gboolean 
nsgtk_window_draw_event(GtkWidget *widget, cairo_t *cr, gpointer data)
{
	struct gui_window *gw = data;
	struct gui_window *z;
	struct rect clip;
	struct redraw_context ctx = {
		.interactive = true,
		.background_images = true,
		.plot = &nsgtk_plotters
	};

	double x1;
	double y1;
	double x2;
	double y2;

	assert(gw);
	assert(gw->bw);

	for (z = window_list; z && z != gw; z = z->next)
		continue;
	assert(z);
	assert(GTK_WIDGET(gw->layout) == widget);

	current_widget = (GtkWidget *)gw->layout;
	current_cr = cr;

	cairo_clip_extents(cr, &x1, &y1, &x2, &y2);

	clip.x0 = x1;
	clip.y0 = y1;
	clip.x1 = x2;
	clip.y1 = y2;

	browser_window_redraw(gw->bw, 0, 0, &clip, &ctx);

	if (gw->careth != 0) {
		nsgtk_plot_caret(gw->caretx, gw->carety, gw->careth);
	}

	current_widget = NULL;

	return FALSE;
}

#else

static gboolean 
nsgtk_window_draw_event(GtkWidget *widget, GdkEventExpose *event, gpointer data)
{
	struct gui_window *gw = data;
	struct gui_window *z;
	struct rect clip;
	struct redraw_context ctx = {
		.interactive = true,
		.background_images = true,
		.plot = &nsgtk_plotters
	};

	assert(gw);
	assert(gw->bw);

	for (z = window_list; z && z != gw; z = z->next)
		continue;
	assert(z);
	assert(GTK_WIDGET(gw->layout) == widget);

	current_widget = (GtkWidget *)gw->layout;
	current_cr = gdk_cairo_create(nsgtk_layout_get_bin_window(gw->layout));

	clip.x0 = event->area.x;
	clip.y0 = event->area.y;
	clip.x1 = event->area.x + event->area.width;
	clip.y1 = event->area.y + event->area.height;

	browser_window_redraw(gw->bw, 0, 0, &clip, &ctx);

	if (gw->careth != 0) {
		nsgtk_plot_caret(gw->caretx, gw->carety, gw->careth);
	}

	cairo_destroy(current_cr);

	current_widget = NULL;

	return FALSE;
}

#endif

static gboolean nsgtk_window_motion_notify_event(GtkWidget *widget,
					  GdkEventMotion *event, gpointer data)
{
	struct gui_window *g = data;
	bool shift = event->state & GDK_SHIFT_MASK;
	bool ctrl = event->state & GDK_CONTROL_MASK;

	if ((abs(event->x - g->last_x) < 5) &&
	    (abs(event->y - g->last_y) < 5)) {
		/* Mouse hasn't moved far enough from press coordinate for this
		 * to be considered a drag. */
		return FALSE;
	} else {
		/* This is a drag, ensure it's always treated as such, even if
		 * we drag back over the press location */
		g->last_x = INT_MIN;
		g->last_y = INT_MIN;
	}

	if (g->mouse.state & BROWSER_MOUSE_PRESS_1) {
		/* Start button 1 drag */
		browser_window_mouse_click(g->bw, BROWSER_MOUSE_DRAG_1,
				g->mouse.pressed_x, g->mouse.pressed_y);

		/* Replace PRESS with HOLDING and declare drag in progress */
		g->mouse.state ^= (BROWSER_MOUSE_PRESS_1 |
				BROWSER_MOUSE_HOLDING_1);
		g->mouse.state |= BROWSER_MOUSE_DRAG_ON;
	} else if (g->mouse.state & BROWSER_MOUSE_PRESS_2) {
		/* Start button 2 drag */
		browser_window_mouse_click(g->bw, BROWSER_MOUSE_DRAG_2,
				g->mouse.pressed_x, g->mouse.pressed_y);

		/* Replace PRESS with HOLDING and declare drag in progress */
		g->mouse.state ^= (BROWSER_MOUSE_PRESS_2 |
				BROWSER_MOUSE_HOLDING_2);
		g->mouse.state |= BROWSER_MOUSE_DRAG_ON;
	}

	/* Handle modifiers being removed */
	if (g->mouse.state & BROWSER_MOUSE_MOD_1 && !shift)
		g->mouse.state ^= BROWSER_MOUSE_MOD_1;
	if (g->mouse.state & BROWSER_MOUSE_MOD_2 && !ctrl)
		g->mouse.state ^= BROWSER_MOUSE_MOD_2;

	browser_window_mouse_track(g->bw, g->mouse.state,
			event->x / g->bw->scale, event->y / g->bw->scale);

	return TRUE;
}

static gboolean nsgtk_window_button_press_event(GtkWidget *widget,
					 GdkEventButton *event, gpointer data)
{
	struct gui_window *g = data;

	gtk_widget_grab_focus(GTK_WIDGET(g->layout));
	gtk_widget_hide(GTK_WIDGET(nsgtk_scaffolding_history_window(
			g->scaffold)->window));

	g->mouse.pressed_x = event->x / g->bw->scale;
	g->mouse.pressed_y = event->y / g->bw->scale;

	switch (event->button) {
	case 1:	/* Left button, usually. Pass to core as BUTTON 1. */
		g->mouse.state = BROWSER_MOUSE_PRESS_1;
		break;

	case 2:	/* Middle button, usually. Pass to core as BUTTON 2 */
		g->mouse.state = BROWSER_MOUSE_PRESS_2;
		break;

	case 3:	/* Right button, usually. Action button, context menu. */
		browser_window_remove_caret(g->bw);
		nsgtk_scaffolding_popup_menu(g->scaffold, g->mouse.pressed_x,
				g->mouse.pressed_y);
		return TRUE;

	default:
		return FALSE;
	}

	/* Handle the modifiers too */
	if (event->state & GDK_SHIFT_MASK)
		g->mouse.state |= BROWSER_MOUSE_MOD_1;
	if (event->state & GDK_CONTROL_MASK)
		g->mouse.state |= BROWSER_MOUSE_MOD_2;

	/* Record where we pressed, for use when determining whether to start
	 * a drag in motion notify events. */
	g->last_x = event->x;
	g->last_y = event->y;

	browser_window_mouse_click(g->bw, g->mouse.state, g->mouse.pressed_x,
			g->mouse.pressed_y);

	return TRUE;
}

static gboolean nsgtk_window_button_release_event(GtkWidget *widget,
					 GdkEventButton *event, gpointer data)
{
	struct gui_window *g = data;
	bool shift = event->state & GDK_SHIFT_MASK;
	bool ctrl = event->state & GDK_CONTROL_MASK;

	/* If the mouse state is PRESS then we are waiting for a release to emit
	 * a click event, otherwise just reset the state to nothing */
	if (g->mouse.state & BROWSER_MOUSE_PRESS_1)
		g->mouse.state ^= (BROWSER_MOUSE_PRESS_1 | BROWSER_MOUSE_CLICK_1);
	else if (g->mouse.state & BROWSER_MOUSE_PRESS_2)
		g->mouse.state ^= (BROWSER_MOUSE_PRESS_2 | BROWSER_MOUSE_CLICK_2);

	/* Handle modifiers being removed */
	if (g->mouse.state & BROWSER_MOUSE_MOD_1 && !shift)
		g->mouse.state ^= BROWSER_MOUSE_MOD_1;
	if (g->mouse.state & BROWSER_MOUSE_MOD_2 && !ctrl)
		g->mouse.state ^= BROWSER_MOUSE_MOD_2;

	if (g->mouse.state & (BROWSER_MOUSE_CLICK_1|BROWSER_MOUSE_CLICK_2)) {
		browser_window_mouse_click(g->bw, g->mouse.state,
				event->x / g->bw->scale,
				event->y / g->bw->scale);
	} else {
		browser_window_mouse_track(g->bw, 0, event->x / g->bw->scale,
				event->y / g->bw->scale);
	}

	g->mouse.state = 0;
	return TRUE;
}

static gboolean nsgtk_window_scroll_event(GtkWidget *widget,
				GdkEventScroll *event, gpointer data)
{
	struct gui_window *g = data;
	double value;
	GtkAdjustment *vscroll = nsgtk_layout_get_vadjustment(g->layout);
	GtkAdjustment *hscroll = nsgtk_layout_get_hadjustment(g->layout);
	GtkAllocation alloc;

	LOG(("%d", event->direction));
	switch (event->direction) {
	case GDK_SCROLL_LEFT:
		if (browser_window_scroll_at_point(g->bw,
				event->x / g->bw->scale,
				event->y / g->bw->scale,
				-100, 0) != true) {
			/* core did not handle event do horizontal scroll */

			value = gtk_adjustment_get_value(hscroll) -
				(nsgtk_adjustment_get_step_increment(hscroll) *2);

			if (value < nsgtk_adjustment_get_lower(hscroll)) {
				value = nsgtk_adjustment_get_lower(hscroll);
			}

			gtk_adjustment_set_value(hscroll, value);
		}
		break;

	case GDK_SCROLL_UP:
		if (browser_window_scroll_at_point(g->bw,
				event->x / g->bw->scale,
				event->y / g->bw->scale,
				0, -100) != true) {
			/* core did not handle event change vertical
			 * adjustment. 
			 */

			value = gtk_adjustment_get_value(vscroll) -
				(nsgtk_adjustment_get_step_increment(vscroll) * 2);

			if (value < nsgtk_adjustment_get_lower(vscroll)) {
				value = nsgtk_adjustment_get_lower(vscroll);
			}

			gtk_adjustment_set_value(vscroll, value);
		}
		break;

	case GDK_SCROLL_RIGHT:
		if (browser_window_scroll_at_point(g->bw,
				event->x / g->bw->scale,
				event->y / g->bw->scale,
				100, 0) != true) {

			/* core did not handle event change horizontal
			 * adjustment. 
			 */

			value = gtk_adjustment_get_value(hscroll) +
				(nsgtk_adjustment_get_step_increment(hscroll) * 2);

			/* @todo consider gtk_widget_get_allocated_width() */
			nsgtk_widget_get_allocation(GTK_WIDGET(g->layout), &alloc);

			if (value > nsgtk_adjustment_get_upper(hscroll) - alloc.width) {
				value = nsgtk_adjustment_get_upper(hscroll) - 
					alloc.width;
			}

			gtk_adjustment_set_value(hscroll, value);
		}
		break;

	case GDK_SCROLL_DOWN:
		if (browser_window_scroll_at_point(g->bw,
				event->x / g->bw->scale,
				event->y / g->bw->scale,
				0, 100) != true) {
			/* core did not handle event change vertical
			 * adjustment. 
			 */

			value = gtk_adjustment_get_value(vscroll) +
				(nsgtk_adjustment_get_step_increment(vscroll) * 2);
			/* @todo consider gtk_widget_get_allocated_height */
			nsgtk_widget_get_allocation(GTK_WIDGET(g->layout), &alloc);

			if (value > nsgtk_adjustment_get_upper(vscroll) - alloc.height) {
				value = nsgtk_adjustment_get_upper(vscroll) - 
					alloc.height;
			}

			gtk_adjustment_set_value(vscroll, value);
		}
		break;

	default:
		break;
	}

	return TRUE;
}

static gboolean nsgtk_window_keypress_event(GtkWidget *widget,
				GdkEventKey *event, gpointer data)
{
	struct gui_window *g = data;
	uint32_t nskey = gtk_gui_gdkkey_to_nskey(event);

	if (browser_window_key_press(g->bw, nskey))
		return TRUE;

	if ((event->state & 0x7) != 0) 
		return TRUE;

	double value;
	GtkAdjustment *vscroll = nsgtk_layout_get_vadjustment(g->layout);
	GtkAdjustment *hscroll = nsgtk_layout_get_hadjustment(g->layout);
	GtkAllocation alloc;

	/* @todo consider gtk_widget_get_allocated_width() */
	nsgtk_widget_get_allocation(GTK_WIDGET(g->layout), &alloc);

	switch (event->keyval) {

	case GDK_KEY(Home):
	case GDK_KEY(KP_Home):
		value = nsgtk_adjustment_get_lower(vscroll);
		gtk_adjustment_set_value(vscroll, value);
		break;

	case GDK_KEY(End):
	case GDK_KEY(KP_End):
		value = nsgtk_adjustment_get_upper(vscroll) - alloc.height;

		if (value < nsgtk_adjustment_get_lower(vscroll))
			value = nsgtk_adjustment_get_lower(vscroll);

		gtk_adjustment_set_value(vscroll, value);
		break;

	case GDK_KEY(Left):
	case GDK_KEY(KP_Left):
		value = gtk_adjustment_get_value(hscroll) -
			nsgtk_adjustment_get_step_increment(hscroll);

		if (value < nsgtk_adjustment_get_lower(hscroll))
			value = nsgtk_adjustment_get_lower(hscroll);

		gtk_adjustment_set_value(hscroll, value);
		break;

	case GDK_KEY(Up):
	case GDK_KEY(KP_Up):
		value = gtk_adjustment_get_value(vscroll) -
			nsgtk_adjustment_get_step_increment(vscroll);

		if (value < nsgtk_adjustment_get_lower(vscroll))
			value = nsgtk_adjustment_get_lower(vscroll);

		gtk_adjustment_set_value(vscroll, value);
		break;

	case GDK_KEY(Right):
	case GDK_KEY(KP_Right):
		value = gtk_adjustment_get_value(hscroll) +
			nsgtk_adjustment_get_step_increment(hscroll);

		if (value > nsgtk_adjustment_get_upper(hscroll) - alloc.width)
			value = nsgtk_adjustment_get_upper(hscroll) - alloc.width;

		gtk_adjustment_set_value(hscroll, value);
		break;

	case GDK_KEY(Down):
	case GDK_KEY(KP_Down):
		value = gtk_adjustment_get_value(vscroll) +
			nsgtk_adjustment_get_step_increment(vscroll);

		if (value > nsgtk_adjustment_get_upper(vscroll) - alloc.height)
			value = nsgtk_adjustment_get_upper(vscroll) - alloc.height;

		gtk_adjustment_set_value(vscroll, value);
		break;

	case GDK_KEY(Page_Up):
	case GDK_KEY(KP_Page_Up):
		value = gtk_adjustment_get_value(vscroll) -
			nsgtk_adjustment_get_page_increment(vscroll);

		if (value < nsgtk_adjustment_get_lower(vscroll))
			value = nsgtk_adjustment_get_lower(vscroll);

		gtk_adjustment_set_value(vscroll, value);
		break;

	case GDK_KEY(Page_Down):
	case GDK_KEY(KP_Page_Down):
		value = gtk_adjustment_get_value(vscroll) +
			nsgtk_adjustment_get_page_increment(vscroll);

		if (value > nsgtk_adjustment_get_upper(vscroll) - alloc.height)
			value = nsgtk_adjustment_get_upper(vscroll) - alloc.height;

		gtk_adjustment_set_value(vscroll, value);
		break;

	default:
		break;

	}

	return TRUE;
}

static gboolean nsgtk_window_size_allocate_event(GtkWidget *widget,
		GtkAllocation *allocation, gpointer data)
{
	struct gui_window *g = data;

	g->bw->reformat_pending = true;
	browser_reformat_pending = true;

	if (g->paned != NULL) {
		/* Set status bar / scroll bar proportion according to
		 * option_toolbar_status_width */
		/* TODO: Probably want to detect when the user adjusts the
		 *       status bar width, remember that proportion for the
		 *       window, and use that here. */
		gtk_paned_set_position(g->paned, 
				       (nsoption_int(toolbar_status_width) *
					allocation->width) / 10000);
	}

	return TRUE;
}

/* Core interface docuemnted in desktop/gui.h to create a gui_window */
struct gui_window *gui_create_browser_window(struct browser_window *bw,
					     struct browser_window *clone,
					     bool new_tab)
{
	struct gui_window *g; /**< what we're creating to return */

	g = calloc(1, sizeof(*g));
	if (!g) {
		warn_user("NoMemory", 0);
		return 0;
	}

	LOG(("Creating gui window %p for browser window %p", g, bw));

	g->bw = bw;
	g->paned = NULL;
	g->mouse.state = 0;
	g->current_pointer = GUI_POINTER_DEFAULT;
	if (clone != NULL) {
		bw->scale = clone->scale;
	} else {
		bw->scale = (float) nsoption_int(scale) / 100.0;
	}

	g->careth = 0;

	if (new_tab) {
		assert(clone != NULL);
		g->scaffold = clone->window->scaffold;
	} else {
		/* Now construct and attach a scaffold */
		g->scaffold = nsgtk_new_scaffolding(g);
	}

	if (g->scaffold == NULL) {
		warn_user("NoMemory", 0);
		free(g);
		return NULL;
	}

	/* Construct our primary elements */

	/* top-level document (not a frame) => create a new tab */
	GError* error = NULL;
	GtkBuilder* xml = gtk_builder_new();
	if (!gtk_builder_add_from_file(xml, 
				       glade_file_location->tabcontents, 
				       &error)) {
		g_warning ("Couldn't load builder file: %s", error->message);
		g_error_free(error);
		return 0;
	}

	g->layout = GTK_LAYOUT(gtk_builder_get_object(xml, "layout"));
	g->status_bar = GTK_LABEL(gtk_builder_get_object(xml, "status_bar"));
	g->paned = GTK_PANED(gtk_builder_get_object(xml, "hpaned1"));

	/* connect the scrollbars to the layout widget */
	nsgtk_layout_set_hadjustment(g->layout,
			gtk_range_get_adjustment(GTK_RANGE(
			gtk_builder_get_object(xml, "hscrollbar"))));
	nsgtk_layout_set_vadjustment(g->layout,
			gtk_range_get_adjustment(GTK_RANGE(
			gtk_builder_get_object(xml, "vscrollbar"))));

	/* add the tab to the scaffold */
	bool tempback = true;
	switch (temp_open_background) {
	case -1:
		tempback = !(nsoption_bool(focus_new));
		break;
	case 0:
		tempback = false;
		break;
	case 1:
		tempback = true;
		break;
	}

	GtkWidget *tab_contents = GTK_WIDGET(gtk_builder_get_object(xml, "tabContents"));
	g_object_set_data(G_OBJECT(tab_contents), "gui_window", g);
	nsgtk_tab_add(g, tab_contents, tempback);

	g_object_unref(xml);

	/* Attach ourselves to the list (push_top) */
	if (window_list)
		window_list->prev = g;
	g->next = window_list;
	g->prev = NULL;
	window_list = g;

	/* set the events we're interested in receiving from the browser's
	 * drawing area.
	 */
	gtk_widget_add_events(GTK_WIDGET(g->layout),
				GDK_EXPOSURE_MASK |
				GDK_LEAVE_NOTIFY_MASK |
				GDK_BUTTON_PRESS_MASK |
				GDK_BUTTON_RELEASE_MASK |
				GDK_POINTER_MOTION_MASK |
				GDK_POINTER_MOTION_HINT_MASK |
				GDK_KEY_PRESS_MASK |
				GDK_KEY_RELEASE_MASK |
				GDK_SCROLL_MASK);
	nsgtk_widget_set_can_focus(GTK_WIDGET(g->layout), TRUE);

	/* set the default background colour of the drawing area to white. */
	nsgtk_widget_override_background_color(GTK_WIDGET(g->layout), 
					       GTK_STATE_NORMAL, 0, 0xffff, 0xffff, 0xffff);


	nsgtk_connect_draw_event(GTK_WIDGET(g->layout), G_CALLBACK(nsgtk_window_draw_event), g);

#define CONNECT(obj, sig, callback, ptr) \
	g_signal_connect(G_OBJECT(obj), (sig), G_CALLBACK(callback), (ptr))

	CONNECT(g->layout, "motion_notify_event",
			nsgtk_window_motion_notify_event, g);
	g->signalhandler[NSGTK_WINDOW_SIGNAL_CLICK] =
			CONNECT(g->layout, "button_press_event",
			nsgtk_window_button_press_event, g);
	CONNECT(g->layout, "button_release_event",
			nsgtk_window_button_release_event, g);
	CONNECT(g->layout, "key_press_event",
			nsgtk_window_keypress_event, g);
	CONNECT(g->layout, "size_allocate",
			nsgtk_window_size_allocate_event, g);
	CONNECT(g->layout, "scroll_event",
			nsgtk_window_scroll_event, g);
	return g;
}



void nsgtk_reflow_all_windows(void)
{
	for (struct gui_window *g = window_list; g; g = g->next) {
		nsgtk_tab_options_changed(
				nsgtk_scaffolding_notebook(g->scaffold));
		g->bw->reformat_pending = true;
	}

	browser_reformat_pending = true;
}


/**
 * Process pending reformats
 */

void nsgtk_window_process_reformats(void)
{
	struct gui_window *g;
	GtkAllocation alloc;

	browser_reformat_pending = false;
	for (g = window_list; g; g = g->next) {
		if (!g->bw->reformat_pending)
			continue;

		g->bw->reformat_pending = false;

		/* @todo consider gtk_widget_get_allocated_width() */
		nsgtk_widget_get_allocation(GTK_WIDGET(g->layout), &alloc);

		browser_window_reformat(g->bw, false, alloc.width, alloc.height);
	}
}


void nsgtk_window_destroy_browser(struct gui_window *g)
{
	browser_window_destroy(g->bw);
}

void gui_window_destroy(struct gui_window *g)
{
	if (g->prev)
		g->prev->next = g->next;
	else
		window_list = g->next;

	if (g->next)
		g->next->prev = g->prev;


	LOG(("Destroying gui_window %p", g));
	assert(g != NULL);
	assert(g->bw != NULL);
	LOG(("	   Scaffolding: %p", g->scaffold));
	LOG(("	   Window name: %s", g->bw->name));

	/* tab => remove tab */
	gtk_widget_destroy(gtk_widget_get_parent(GTK_WIDGET(g->layout)));
}

/**
 * set favicon
 */
void gui_window_set_icon(struct gui_window *gw, hlcache_handle *icon)
{
	struct bitmap *icon_bitmap = NULL;

	/* free any existing icon */
	if (gw->icon != NULL) {
		g_object_unref(gw->icon);
		gw->icon = NULL;
	}

	if (icon != NULL) {
		icon_bitmap = content_get_bitmap(icon);
		if (icon_bitmap != NULL) {
			LOG(("Using %p bitmap", icon_bitmap));
			gw->icon = nsgdk_pixbuf_get_from_surface(icon_bitmap->surface, 16, 16);
		} 
	} 

	if (gw->icon == NULL) {
		LOG(("Using default favicon"));
		g_object_ref(favicon_pixbuf);
		gw->icon = favicon_pixbuf;
	}

	nsgtk_scaffolding_set_icon(gw);
}

static void nsgtk_redraw_caret(struct gui_window *g)
{
	int sx, sy;

	if (g->careth == 0)
		return;

	gui_window_get_scroll(g, &sx, &sy);

	gtk_widget_queue_draw_area(GTK_WIDGET(g->layout),
			g->caretx - sx, g->carety - sy, 1, g->careth + 1);

}
示例#30
0
static void
gtk_css_style_render_frame_gap (GtkCssStyle     *style,
                                cairo_t         *cr,
                                gdouble          x,
                                gdouble          y,
                                gdouble          width,
                                gdouble          height,
                                GtkPositionType  gap_side,
                                gdouble          xy0_gap,
                                gdouble          xy1_gap)
{
  gint border_width;
  gdouble x0, y0, x1, y1, xc = 0.0, yc = 0.0, wc = 0.0, hc = 0.0;
  GtkBorder border;

  border.top = _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_TOP_WIDTH), 100);
  border.right = _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_RIGHT_WIDTH), 100);
  border.bottom = _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_BOTTOM_WIDTH), 100);
  border.left = _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_LEFT_WIDTH), 100);

  border_width = MIN (MIN (border.top, border.bottom),
                      MIN (border.left, border.right));

  cairo_save (cr);

  switch (gap_side)
    {
    case GTK_POS_TOP:
      xc = x + xy0_gap + border_width;
      yc = y;
      wc = MAX (xy1_gap - xy0_gap - 2 * border_width, 0);
      hc = border_width;
      break;

    case GTK_POS_BOTTOM:
      xc = x + xy0_gap + border_width;
      yc = y + height - border_width;
      wc = MAX (xy1_gap - xy0_gap - 2 * border_width, 0);
      hc = border_width;
      break;

    case GTK_POS_LEFT:
      xc = x;
      yc = y + xy0_gap + border_width;
      wc = border_width;
      hc = MAX (xy1_gap - xy0_gap - 2 * border_width, 0);
      break;

    case GTK_POS_RIGHT:
      xc = x + width - border_width;
      yc = y + xy0_gap + border_width;
      wc = border_width;
      hc = MAX (xy1_gap - xy0_gap - 2 * border_width, 0);
      break;
    }

  cairo_clip_extents (cr, &x0, &y0, &x1, &y1);
  cairo_rectangle (cr, x0, y0, x1 - x0, yc - y0);
  cairo_rectangle (cr, x0, yc, xc - x0, hc);
  cairo_rectangle (cr, xc + wc, yc, x1 - (xc + wc), hc);
  cairo_rectangle (cr, x0, yc + hc, x1 - x0, y1 - (yc + hc));
  cairo_clip (cr);

  gtk_css_style_render_border (style, cr,
                               x, y, width, height);

  cairo_restore (cr);
}