static void
i7_cell_renderer_transcript_get_size(GtkCellRenderer *self, GtkWidget *widget, GdkRectangle *cell_area, int *x_offset, int *y_offset, int *width, int *height)
{
I7_CELL_RENDERER_TRANSCRIPT_USE_PRIVATE;
PangoRectangle command_rect, transcript_rect, expected_rect;
PangoLayout *layout;
unsigned xpad, ypad, transcript_width, calc_width, calc_height;
g_object_get(self, "xpad", &xpad, "ypad", &ypad, NULL);
transcript_width = (priv->default_width / 2) - xpad;
/* Get size of command */
layout = gtk_widget_create_pango_layout(widget, priv->command);
pango_layout_get_pixel_extents(layout, NULL, &command_rect);
g_object_unref(layout);
/* Get size of transcript text */
layout = gtk_widget_create_pango_layout(widget, priv->transcript_text);
pango_layout_set_width(layout, (int)(transcript_width - priv->text_padding * 2) * PANGO_SCALE);
pango_layout_set_wrap(layout, PANGO_WRAP_WORD_CHAR);
pango_layout_get_pixel_extents(layout, NULL, &transcript_rect);
g_object_unref(layout);
/* Get size of expected text */
layout = gtk_widget_create_pango_layout(widget, priv->expected_text);
pango_layout_set_width(layout, (int)(transcript_width - priv->text_padding * 2) * PANGO_SCALE);
pango_layout_set_wrap(layout, PANGO_WRAP_WORD_CHAR);
pango_layout_get_pixel_extents(layout, NULL, &expected_rect);
g_object_unref (layout);
/* Calculate the required width and height for the cell */
calc_width = priv->default_width;
calc_height = (unsigned)(command_rect.height + MAX(transcript_rect.height, expected_rect.height)) + ypad * 2 + priv->text_padding * 4;
/* Set the passed-in parameters; if the available cell area is larger than
the required width and height, just use that instead */
if(cell_area) {
if(width)
*width = MAX(cell_area->width, (int)calc_width);
if(height)
*height = MAX(cell_area->height, (int)calc_height);
} else {
if(width)
*width = (int)calc_width;
if(height)
*height = (int)calc_height;
}
if(x_offset)
*x_offset = 0;
if(y_offset)
*y_offset = 0;
}
TextAsset::Size
TextAsset::computeSizeOfText(cairo_t* cairoContext,
const std::string textString,
int bounds,
PangoFontDescription* font,
Rect* tight,
float* lineHeightOut)
{
PangoLayout* layout = pango_cairo_create_layout(cairoContext);
// Kerning
PangoAttrList* attr_list = pango_attr_list_new();
PangoAttribute* spacing_attr = pango_attr_letter_spacing_new(pango_units_from_double(_kern));
pango_attr_list_insert(attr_list, spacing_attr);
pango_layout_set_attributes(layout, attr_list);
pango_cairo_context_set_resolution(pango_layout_get_context(layout), DISPLAY_RESOLUTION);
pango_layout_set_text(layout, textString.c_str(), (int)textString.length());
pango_layout_set_alignment(layout, _alignment);
pango_layout_set_wrap(layout, PANGO_WRAP_WORD_CHAR);
const Size maxTextureSize(bounds, 1024);
pango_layout_set_width(layout, pango_units_from_double(maxTextureSize.width));
pango_layout_set_height(layout, pango_units_from_double(maxTextureSize.height));
pango_layout_set_font_description(layout, font);
applyLeading(cairoContext, layout, font);
PangoRectangle estimateSize;
PangoRectangle ink;
pango_layout_get_pixel_extents(layout, &ink, &estimateSize);
// If the text is right or center aligned the offsets will contain all the
// leading space. We ignore that for the size because drawText will draw
// in the larger box. The tight box below will get the offsets so we know
// where to draw so the text lands in the same tight box.
Size res(estimateSize.width, estimateSize.height);
if (tight != NULL) {
float lineHeight;
float xHeight = charHeight(cairoContext, font, 'x', &lineHeight);
if (lineHeightOut != NULL) {
*lineHeightOut = lineHeight;
}
const float capHeight = charHeight(cairoContext, font, 'Y');
const float ascender = pango_units_to_double(pango_layout_get_baseline(layout));
const float topSpace = ascender - capHeight;
const float bottomSpace = MAX(lineHeight - ascender - (capHeight - xHeight), 0);
if (res.height > topSpace + bottomSpace) {
*tight = Rect(estimateSize.x,
estimateSize.y + topSpace,
res.width,
res.height - topSpace - bottomSpace);
} else {
*tight = Rect(0, 0, res.width, res.height);
}
}
g_object_unref(layout);
return res;
}
void draw_clock(void *obj, cairo_t *c)
{
Clock *clock = obj;
PangoLayout *layout = pango_cairo_create_layout(c);
pango_layout_set_font_description(layout, time1_font_desc);
pango_layout_set_width(layout, clock->area.width * PANGO_SCALE);
pango_layout_set_alignment(layout, PANGO_ALIGN_CENTER);
pango_layout_set_wrap(layout, PANGO_WRAP_WORD_CHAR);
pango_layout_set_ellipsize(layout, PANGO_ELLIPSIZE_NONE);
pango_layout_set_text(layout, buf_time, strlen(buf_time));
cairo_set_source_rgba(c, clock->font.rgb[0], clock->font.rgb[1], clock->font.rgb[2], clock->font.alpha);
pango_cairo_update_layout(c, layout);
draw_text(layout, c, 0, clock->time1_posy, &clock->font, ((Panel *)clock->area.panel)->font_shadow);
if (time2_format) {
pango_layout_set_font_description(layout, time2_font_desc);
pango_layout_set_indent(layout, 0);
pango_layout_set_text(layout, buf_date, strlen(buf_date));
pango_layout_set_width(layout, clock->area.width * PANGO_SCALE);
pango_cairo_update_layout(c, layout);
draw_text(layout, c, 0, clock->time2_posy, &clock->font, ((Panel *)clock->area.panel)->font_shadow);
}
g_object_unref(layout);
}
void
content_draw (GtkWidget *widget,
cairo_t *cr)
{
PangoContext *context;
PangoLayout *title_layout;
PangoLayout *sub_layout;
PangoFontDescription *desc;
int width, height;
int sub_width;
width = gdk_window_get_width (gtk_widget_get_window (widget));
height = gdk_window_get_height (gtk_widget_get_window (widget));
cairo_translate (cr, width / 2, height / 2);
context = gdk_pango_context_get_for_screen (gtk_widget_get_screen (widget));
title_layout = pango_layout_new (context);
pango_layout_set_text (title_layout, _("This session is locked"), -1);
desc = pango_font_description_from_string (TITLE_FONT);
pango_layout_set_font_description (title_layout, desc);
pango_font_description_free (desc);
cairo_set_source_rgba (cr, 1.0, 1.0, 1.0, 1.0);
pango_cairo_update_layout (cr, title_layout);
pango_layout_get_size (title_layout, &width, &height);
cairo_save (cr);
/* Adjust the translation to the middle left of the icon */
cairo_translate (cr, - width / PANGO_SCALE / 2 - height / PANGO_SCALE, - height / PANGO_SCALE / 2);
draw_lock_icon (cr, height / PANGO_SCALE);
cairo_restore (cr);
cairo_move_to (cr, - width / PANGO_SCALE / 2 + height / PANGO_SCALE, - height / PANGO_SCALE);
pango_cairo_show_layout (cr, title_layout);
g_object_unref (title_layout);
sub_layout = pango_layout_new (context);
pango_layout_set_text (sub_layout, _("You'll be redirected to the unlock dialog automatically in a few seconds"), -1);
pango_layout_set_wrap (sub_layout, PANGO_WRAP_WORD_CHAR);
pango_layout_set_width (sub_layout, width + 2 * height);
desc = pango_font_description_from_string (MESSAGE_FONT);
pango_layout_set_font_description (sub_layout, desc);
pango_font_description_free (desc);
cairo_set_source_rgba (cr, 0.6, 0.6, 0.6, 1.0);
pango_cairo_update_layout (cr, sub_layout);
pango_layout_get_size (sub_layout, &sub_width, NULL);
cairo_move_to (cr, - (width + 2 * height) / PANGO_SCALE / 2, height / PANGO_SCALE);
cairo_scale (cr, (width + 2 * height) / (gdouble)sub_width, (width + 2 * height) / (gdouble)sub_width);
pango_cairo_show_layout (cr, sub_layout);
g_object_unref (sub_layout);
g_object_unref (context);
}
static
void mw_paint_tip(GtkWidget *widget, GdkEventExpose *event)
{
GtkStyle *style;
GdkWindow *window;
char *tooltiptext = get_tooltip_text();
if(tooltiptext == NULL) tooltiptext = g_strdup("oeps");
pango_layout_set_markup(layout, tooltiptext, strlen(tooltiptext));
pango_layout_set_wrap(layout, PANGO_WRAP_WORD);
pango_layout_set_width(layout, 300000);
style = gtk_widget_get_style (tipwindow);
window = gtk_widget_get_window (tipwindow);
gtk_paint_flat_box (style, window, GTK_STATE_NORMAL, GTK_SHADOW_OUT,
NULL, tipwindow, "tooltip", 0, 0, -1, -1);
gtk_paint_layout (style, window, GTK_STATE_NORMAL, TRUE,
NULL, tipwindow, "tooltip", 4, 4, layout);
/*
g_object_unref(layout);
*/
g_free(tooltiptext);
return;
}
textbox* textbox_create ( TextboxFlags flags, short x, short y, short w, short h,
TextBoxFontType tbft, const char *text )
{
textbox *tb = g_malloc0 ( sizeof ( textbox ) );
tb->flags = flags;
tb->x = x;
tb->y = y;
tb->w = MAX ( 1, w );
tb->h = MAX ( 1, h );
tb->changed = FALSE;
tb->main_surface = cairo_image_surface_create ( get_format (), tb->w, tb->h );
tb->main_draw = cairo_create ( tb->main_surface );
tb->layout = pango_cairo_create_layout ( tb->main_draw );
PangoFontDescription *pfd = pango_font_description_from_string ( config.menu_font );
pango_layout_set_font_description ( tb->layout, pfd );
pango_font_description_free ( pfd );
textbox_font ( tb, tbft );
if ( ( flags & TB_WRAP ) == TB_WRAP ) {
pango_layout_set_wrap ( tb->layout, PANGO_WRAP_WORD_CHAR );
}
textbox_text ( tb, text ? text : "" );
textbox_cursor_end ( tb );
// auto height/width modes get handled here
textbox_moveresize ( tb, tb->x, tb->y, tb->w, tb->h );
return tb;
}
static void
e_contact_output (GtkPrintContext *context,
PangoFontDescription *font,
gdouble x,
gdouble y,
gdouble width,
const gchar *text)
{
PangoLayout *layout;
gdouble indent;
cairo_t *cr;
layout = gtk_print_context_create_pango_layout (context);
if (width == -1 || get_font_width (context, font, text) <= width)
indent = .0;
else
indent = get_font_width (context, font, " ");
pango_layout_set_font_description (layout, font);
pango_layout_set_text (layout, text, -1);
pango_layout_set_width (layout, pango_units_from_double (width));
pango_layout_set_indent (layout, pango_units_from_double (indent));
pango_layout_set_wrap (layout, PANGO_WRAP_WORD_CHAR);
cr = gtk_print_context_get_cairo_context (context);
cairo_save (cr);
cairo_move_to (cr, x, y);
pango_cairo_show_layout (cr, layout);
cairo_restore (cr);
g_object_unref (layout);
}
static PangoLayout *
create_layout_with_attrs (GtkWidget *widget,
GdTwoLinesRenderer *self,
PangoEllipsizeMode ellipsize)
{
PangoLayout *layout;
gint wrap_width;
PangoWrapMode wrap_mode;
PangoAlignment alignment;
g_object_get (self,
"wrap-width", &wrap_width,
"wrap-mode", &wrap_mode,
"alignment", &alignment,
NULL);
layout = pango_layout_new (gtk_widget_get_pango_context (widget));
pango_layout_set_ellipsize (layout, ellipsize);
pango_layout_set_wrap (layout, wrap_mode);
pango_layout_set_alignment (layout, alignment);
if (wrap_width != -1)
pango_layout_set_width (layout, wrap_width * PANGO_SCALE);
return layout;
}
/*
* max_window_name_width
*
* Returns: gint
* Description: Calculate the width of the decoration required to display
* the window name using pango (with 6px padding)
* Returns zero if window has no name.
*/
gint
max_window_name_width (WnckWindow *win)
{
decor_t *d = g_object_get_data (G_OBJECT (win), "decor");
const gchar *name;
gint w;
/* Ensure that a layout is created */
if (!d->layout)
{
d->layout = pango_layout_new (d->frame->pango_context);
if (!d->layout)
return 0;
pango_layout_set_wrap (d->layout, PANGO_WRAP_CHAR);
}
/* Return zero if window has no name */
name = wnck_window_get_name (win);
if (!name)
return 0;
/* Reset the width, set hte text and get the size required */
pango_layout_set_auto_dir (d->layout, FALSE);
pango_layout_set_width (d->layout, -1);
pango_layout_set_text (d->layout, name, strlen (name));
pango_layout_get_pixel_size (d->layout, &w, NULL);
if (d->name)
pango_layout_set_text (d->layout, d->name, strlen (d->name));
return w + 6;
}
ttext::ttext() :
#if PANGO_VERSION_CHECK(1,22,0)
context_(pango_font_map_create_context(pango_cairo_font_map_get_default())),
#else
context_(pango_cairo_font_map_create_context((
reinterpret_cast<PangoCairoFontMap*>(pango_cairo_font_map_get_default())))),
#endif
layout_(pango_layout_new(context_)),
rect_(),
surface_(),
#ifdef SDL_GPU
texture_(),
#endif
text_(),
markedup_text_(false),
link_aware_(false),
link_color_(),
font_class_(font::FONT_SANS_SERIF),
font_size_(14),
font_style_(STYLE_NORMAL),
foreground_color_(0xFFFFFFFF), // solid white
maximum_width_(-1),
characters_per_line_(0),
maximum_height_(-1),
ellipse_mode_(PANGO_ELLIPSIZE_END),
alignment_(PANGO_ALIGN_LEFT),
maximum_length_(std::string::npos),
calculation_dirty_(true),
length_(0),
surface_dirty_(true),
surface_buffer_(nullptr)
{
// With 72 dpi the sizes are the same as with SDL_TTF so hardcoded.
pango_cairo_context_set_resolution(context_, 72.0);
pango_layout_set_ellipsize(layout_, ellipse_mode_);
pango_layout_set_alignment(layout_, alignment_);
pango_layout_set_wrap(layout_, PANGO_WRAP_WORD_CHAR);
/*
* Set the pango spacing a bit bigger since the default is deemed to small
* http://www.wesnoth.org/forum/viewtopic.php?p=358832#p358832
*/
pango_layout_set_spacing(layout_, 2 * PANGO_SCALE);
cairo_font_options_t *fo = cairo_font_options_create();
cairo_font_options_set_hint_style(fo, CAIRO_HINT_STYLE_FULL);
cairo_font_options_set_hint_metrics(fo, CAIRO_HINT_METRICS_ON);
#ifdef _WIN32
// Cairo on Windows (at least the latest available version from gtk.org
// as of 2014-02-22, version 1.10.2) has issues with ClearType resulting
// in glitchy anti-aliasing with CAIRO_ANTIALIAS_SUBPIXEL or
// CAIRO_ANTIALIAS_DEFAULT, but not CAIRO_ANTIALIAS_GRAY, so we use that
// as a workaround until the Windows package is updated to use a newer
// version of Cairo (see Wesnoth bug #21648).
cairo_font_options_set_antialias(fo, CAIRO_ANTIALIAS_GRAY);
#endif
pango_cairo_context_set_font_options(context_, fo);
cairo_font_options_destroy(fo);
}
void Text::SetString(const string& String)
{
cairo_surface_t* TempSurface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 0, 0);
cairo_t* LayoutContext = cairo_create(TempSurface);
cairo_surface_destroy(TempSurface);
PangoLayout* Layout = pango_cairo_create_layout(LayoutContext);
pango_layout_set_width(Layout, LayoutWidth * PANGO_SCALE);
pango_layout_set_wrap(Layout, PANGO_WRAP_WORD_CHAR);
pango_layout_set_text(Layout, String.c_str(), -1);
PangoFontDescription* Desc = pango_font_description_from_string("Sans 18");
pango_font_description_set_absolute_size(Desc, Size * PANGO_SCALE);
pango_font_description_set_weight(Desc, PANGO_WEIGHT_MEDIUM);
pango_layout_set_font_description(Layout, Desc);
pango_font_description_free(Desc);
pango_layout_get_pixel_size(Layout, &Width, &Height);
uint8_t* pData = (uint8_t*)calloc(4 * Width * Height, sizeof(uint8_t));
cairo_surface_t* Surface = cairo_image_surface_create_for_data(pData, CAIRO_FORMAT_ARGB32, Width, Height, 4 * Width);
cairo_t* RenderContext = cairo_create(Surface);
cairo_set_source_rgba(RenderContext, Color & 0xFF, (Color >> 8) & 0xFF, (Color >> 16) & 0xFF, Color >> 24);
pango_cairo_show_layout(RenderContext, Layout);
Create(pData, GL_RGBA, Width, Height);
free(pData);
g_object_unref(Layout);
cairo_destroy(LayoutContext);
cairo_destroy(RenderContext);
cairo_surface_destroy(Surface);
}
void tooltip_update()
{
if (!g_tooltip.tooltip_text) {
tooltip_hide(0);
return;
}
tooltip_update_geometry();
if (just_shown) {
if (!panel_horizontal)
y -= height / 2; // center vertically
just_shown = FALSE;
}
tooltip_adjust_geometry();
XMoveResizeWindow(server.display, g_tooltip.window, x, y, width, height);
// Stuff for drawing the tooltip
cairo_surface_t *cs = cairo_xlib_surface_create(server.display, g_tooltip.window, server.visual, width, height);
cairo_t *c = cairo_create(cs);
Color bc = g_tooltip.bg->fill_color;
Border b = g_tooltip.bg->border;
if (server.real_transparency) {
clear_pixmap(g_tooltip.window, 0, 0, width, height);
draw_rect(c, b.width, b.width, width - 2 * b.width, height - 2 * b.width, b.radius - b.width / 1.571);
cairo_set_source_rgba(c, bc.rgb[0], bc.rgb[1], bc.rgb[2], bc.alpha);
} else {
cairo_rectangle(c, 0., 0, width, height);
cairo_set_source_rgb(c, bc.rgb[0], bc.rgb[1], bc.rgb[2]);
}
cairo_fill(c);
cairo_set_line_width(c, b.width);
if (server.real_transparency)
draw_rect(c, b.width / 2.0, b.width / 2.0, width - b.width, height - b.width, b.radius);
else
cairo_rectangle(c, b.width / 2.0, b.width / 2.0, width - b.width, height - b.width);
cairo_set_source_rgba(c, b.color.rgb[0], b.color.rgb[1], b.color.rgb[2], b.color.alpha);
cairo_stroke(c);
Color fc = g_tooltip.font_color;
cairo_set_source_rgba(c, fc.rgb[0], fc.rgb[1], fc.rgb[2], fc.alpha);
PangoLayout *layout = pango_cairo_create_layout(c);
pango_layout_set_font_description(layout, g_tooltip.font_desc);
pango_layout_set_wrap(layout, PANGO_WRAP_WORD);
pango_layout_set_text(layout, g_tooltip.tooltip_text, -1);
PangoRectangle r1, r2;
pango_layout_get_pixel_extents(layout, &r1, &r2);
pango_layout_set_width(layout, width * PANGO_SCALE);
pango_layout_set_height(layout, height * PANGO_SCALE);
pango_layout_set_ellipsize(layout, PANGO_ELLIPSIZE_END);
// I do not know why this is the right way, but with the below cairo_move_to it seems to be centered (horiz. and
// vert.)
cairo_move_to(c,
-r1.x / 2 + g_tooltip.bg->border.width + g_tooltip.paddingx,
-r1.y / 2 + 1 + g_tooltip.bg->border.width + g_tooltip.paddingy);
pango_cairo_show_layout(c, layout);
g_object_unref(layout);
cairo_destroy(c);
cairo_surface_destroy(cs);
}
/* Updates the pango layout width */
static void
update_pango_layout (MateIconTextItem *iti)
{
MateIconTextItemPrivate *priv;
PangoRectangle bounds;
const char *text;
priv = iti->_priv;
if (iti->editing) {
text = gtk_entry_get_text (GTK_ENTRY (priv->entry));
} else {
text = iti->text;
}
pango_layout_set_wrap (priv->layout, PANGO_WRAP_WORD_CHAR);
pango_layout_set_text (priv->layout, text, strlen (text));
pango_layout_set_width (priv->layout, iti->width * PANGO_SCALE);
/* In PANGO_WRAP_WORD mode, words wider than a line of text make
* PangoLayout overflow the layout width. If this happens, switch to
* character-based wrapping.
*/
pango_layout_get_pixel_extents (iti->_priv->layout, NULL, &bounds);
priv->layout_width = bounds.width;
priv->layout_height = bounds.height;
}
void tooltip_update_geometry()
{
Panel *panel = g_tooltip.panel;
int screen_width = server.monitors[panel->monitor].x + server.monitors[panel->monitor].width;
cairo_surface_t *cs = cairo_xlib_surface_create(server.display, g_tooltip.window, server.visual, width, height);
cairo_t *c = cairo_create(cs);
PangoLayout *layout = pango_cairo_create_layout(c);
pango_layout_set_font_description(layout, g_tooltip.font_desc);
PangoRectangle r1, r2;
pango_layout_set_text(layout, "1234567890", -1);
pango_layout_get_pixel_extents(layout, &r1, &r2);
int max_width = MIN(r2.width * 7, screen_width * 2 / 3);
pango_layout_set_width(layout, max_width * PANGO_SCALE);
pango_layout_set_text(layout, g_tooltip.tooltip_text, -1);
pango_layout_set_wrap(layout, PANGO_WRAP_WORD);
pango_layout_get_pixel_extents(layout, &r1, &r2);
width = 2 * g_tooltip.bg->border.width + 2 * g_tooltip.paddingx + r2.width;
height = 2 * g_tooltip.bg->border.width + 2 * g_tooltip.paddingy + r2.height;
if (panel_horizontal && panel_position & BOTTOM)
y = panel->posy - height;
else if (panel_horizontal && panel_position & TOP)
y = panel->posy + panel->area.height;
else if (panel_position & LEFT)
x = panel->posx + panel->area.width;
else
x = panel->posx - width;
g_object_unref(layout);
cairo_destroy(c);
cairo_surface_destroy(cs);
}
void ui_insert_text(char *s, int x, int y, int h, int w, double *rgba,
enum alignment align)
{
PangoTabArray *tabs;
int height;
pango_layout_set_width(ui->w[ui->cur].pangolayout, w * PANGO_SCALE);
switch (align) {
case RIGHT:
pango_layout_set_alignment(ui->w[ui->cur].pangolayout, PANGO_ALIGN_RIGHT);
break;
case CENTER:
pango_layout_set_alignment(ui->w[ui->cur].pangolayout, PANGO_ALIGN_CENTER);
break;
default:
pango_layout_set_alignment(ui->w[ui->cur].pangolayout, PANGO_ALIGN_LEFT);
}
tabs = pango_tab_array_new_with_positions(1, TRUE, PANGO_TAB_LEFT, config.tabs);
pango_layout_set_wrap(ui->w[ui->cur].pangolayout, PANGO_WRAP_WORD_CHAR);
pango_layout_set_ellipsize(ui->w[ui->cur].pangolayout, PANGO_ELLIPSIZE_END);
pango_layout_set_font_description(ui->w[ui->cur].pangolayout, ui->w[ui->cur].pangofont);
pango_layout_set_tabs(ui->w[ui->cur].pangolayout, tabs);
pango_layout_set_markup(ui->w[ui->cur].pangolayout, s, -1);
cairo_set_source_rgba(ui->w[ui->cur].c, rgba[0], rgba[1], rgba[2], rgba[3]);
pango_cairo_update_layout(ui->w[ui->cur].c, ui->w[ui->cur].pangolayout);
pango_layout_get_pixel_size(ui->w[ui->cur].pangolayout, NULL, &height);
/* use (h - height) / 2 to center-align vertically */
cairo_move_to(ui->w[ui->cur].c, x, y + (h - height) / 2);
pango_cairo_show_layout(ui->w[ui->cur].c, ui->w[ui->cur].pangolayout);
pango_tab_array_free(tabs);
}
void draw_execp(void *obj, cairo_t *c)
{
Execp *execp = obj;
PangoLayout *layout = pango_cairo_create_layout(c);
if (execp->backend->has_icon && execp->backend->icon) {
imlib_context_set_image(execp->backend->icon);
// Render icon
render_image(execp->area.pix, execp->frontend->iconx, execp->frontend->icony);
}
// draw layout
pango_layout_set_font_description(layout, execp->backend->font_desc);
pango_layout_set_width(layout, execp->frontend->textw * PANGO_SCALE);
pango_layout_set_alignment(layout, execp->backend->centered ? PANGO_ALIGN_CENTER : PANGO_ALIGN_LEFT);
pango_layout_set_wrap(layout, PANGO_WRAP_WORD_CHAR);
pango_layout_set_ellipsize(layout, PANGO_ELLIPSIZE_NONE);
if (!execp->backend->has_markup)
pango_layout_set_text(layout, execp->backend->text, strlen(execp->backend->text));
else
pango_layout_set_markup(layout, execp->backend->text, strlen(execp->backend->text));
pango_cairo_update_layout(c, layout);
draw_text(layout,
c,
execp->frontend->textx,
execp->frontend->texty,
&execp->backend->font_color,
panel_config.font_shadow);
g_object_unref(layout);
}
static void
test_file (const gchar *filename, GString *string)
{
gchar *contents;
gchar *markup;
gsize length;
GError *error = NULL;
PangoLayout *layout;
gchar *p;
gint width = 0;
gint ellipsize_at = 0;
PangoEllipsizeMode ellipsize = PANGO_ELLIPSIZE_NONE;
PangoWrapMode wrap = PANGO_WRAP_WORD;
PangoFontDescription *desc;
if (!g_file_get_contents (filename, &contents, &length, &error))
{
fprintf (stderr, "%s\n", error->message);
g_error_free (error);
return;
}
p = strchr (contents, '\n');
g_assert (p);
markup = p + 1;
*p = '\0';
parse_params (contents, &width, &ellipsize_at, &ellipsize, &wrap);
layout = pango_layout_new (context);
desc = pango_font_description_from_string ("Cantarell 11");
pango_layout_set_font_description (layout, desc);
pango_font_description_free (desc);
pango_layout_set_markup (layout, markup, length);
g_free (contents);
if (width != 0)
pango_layout_set_width (layout, width * PANGO_SCALE);
pango_layout_set_ellipsize (layout, ellipsize);
pango_layout_set_wrap (layout, wrap);
g_string_append (string, pango_layout_get_text (layout));
g_string_append (string, "\n---\n\n");
g_string_append_printf (string, "wrapped: %d\n", pango_layout_is_wrapped (layout));
g_string_append_printf (string, "ellipsized: %d\n", pango_layout_is_ellipsized (layout));
g_string_append_printf (string, "lines: %d\n", pango_layout_get_line_count (layout));
if (width != 0)
g_string_append_printf (string, "width: %d\n", pango_layout_get_width (layout));
g_string_append (string, "\n---\n\n");
dump_attrs (pango_layout_get_attributes (layout), string);
g_string_append (string, "\n---\n\n");
dump_lines (layout, string);
g_string_append (string, "\n---\n\n");
dump_runs (layout, string);
g_object_unref (layout);
}
void
initfont(DC *dc, const char *fontstr) {
dc->pgc = pango_xft_get_context(dc->dpy, screen);
dc->pfd = pango_font_description_from_string(fontstr);
dc->plo = pango_layout_new(dc->pgc);
pango_layout_set_font_description(dc->plo, dc->pfd);
pango_layout_set_wrap(dc->plo, PANGO_WRAP_WORD_CHAR);
pango_layout_set_alignment(dc->plo, PANGO_ALIGN_LEFT);
}
RrFont *RrFontOpen(const RrInstance *inst, const gchar *name, gint size,
RrFontWeight weight, RrFontSlant slant)
{
RrFont *out;
PangoWeight pweight;
PangoStyle pstyle;
PangoAttrList *attrlist;
out = g_slice_new(RrFont);
out->inst = inst;
out->ref = 1;
out->font_desc = pango_font_description_new();
out->layout = pango_layout_new(inst->pango);
out->shortcut_underline = pango_attr_underline_new(PANGO_UNDERLINE_LOW);
out->shortcut_underline->start_index = 0;
out->shortcut_underline->end_index = 0;
attrlist = pango_attr_list_new();
/* shortcut_underline is owned by the attrlist */
pango_attr_list_insert(attrlist, out->shortcut_underline);
/* the attributes are owned by the layout */
pango_layout_set_attributes(out->layout, attrlist);
pango_attr_list_unref(attrlist);
switch (weight) {
case RR_FONTWEIGHT_LIGHT: pweight = PANGO_WEIGHT_LIGHT; break;
case RR_FONTWEIGHT_NORMAL: pweight = PANGO_WEIGHT_NORMAL; break;
case RR_FONTWEIGHT_SEMIBOLD: pweight = PANGO_WEIGHT_SEMIBOLD; break;
case RR_FONTWEIGHT_BOLD: pweight = PANGO_WEIGHT_BOLD; break;
case RR_FONTWEIGHT_ULTRABOLD: pweight = PANGO_WEIGHT_ULTRABOLD; break;
default: g_assert_not_reached();
}
switch (slant) {
case RR_FONTSLANT_NORMAL: pstyle = PANGO_STYLE_NORMAL; break;
case RR_FONTSLANT_ITALIC: pstyle = PANGO_STYLE_ITALIC; break;
case RR_FONTSLANT_OBLIQUE: pstyle = PANGO_STYLE_OBLIQUE; break;
default: g_assert_not_reached();
}
/* setup the font */
pango_font_description_set_family(out->font_desc, name);
pango_font_description_set_weight(out->font_desc, pweight);
pango_font_description_set_style(out->font_desc, pstyle);
pango_font_description_set_size(out->font_desc, size * PANGO_SCALE);
/* setup the layout */
pango_layout_set_font_description(out->layout, out->font_desc);
pango_layout_set_wrap(out->layout, PANGO_WRAP_WORD_CHAR);
/* get the ascent and descent */
measure_font(inst, out);
return out;
}
gboolean mw_tooltip_timeout(GtkWidget *tv)
{
GtkAllocation allocation;
int scr_w,scr_h, w, h, x, y;
char *tooltiptext = NULL;
tooltiptext = get_tooltip_text();
tipwindow = gtk_window_new(GTK_WINDOW_POPUP);
gtk_widget_set_parent(tipwindow, tv);
gtk_widget_set_app_paintable(tipwindow, TRUE);
gtk_window_set_resizable(GTK_WINDOW(tipwindow), FALSE);
gtk_widget_set_name(tipwindow, "gtk-tooltips");
g_signal_connect(G_OBJECT(tipwindow), "expose_event",
G_CALLBACK(mw_paint_tip), NULL);
gtk_widget_ensure_style (tipwindow);
layout = gtk_widget_create_pango_layout (tipwindow, NULL);
pango_layout_set_wrap(layout, PANGO_WRAP_WORD);
pango_layout_set_width(layout, 300000);
pango_layout_set_markup(layout, tooltiptext, strlen(tooltiptext));
scr_w = gdk_screen_width();
scr_h = gdk_screen_height();
pango_layout_get_size (layout, &w, &h);
w = PANGO_PIXELS(w) + 8;
h = PANGO_PIXELS(h) + 8;
gdk_window_get_pointer(NULL, &x, &y, NULL);
if (!gtk_widget_get_has_window (mw.vbox))
{
gtk_widget_get_allocation (mw.vbox, &allocation);
y += allocation.y;
}
x -= ((w >> 1) + 4);
if ((x + w) > scr_w)
x -= (x + w) - scr_w;
else if (x < 0)
x = 0;
if ((y + h + 4) > scr_h)
y = y - h;
else
y = y + 6;
/*
g_object_unref(layout);
*/
g_free(tooltiptext);
gtk_widget_set_size_request(tipwindow, w, h);
gtk_window_move(GTK_WINDOW(tipwindow), x, y);
gtk_widget_show(tipwindow);
return FALSE;
}
/* creates a commonly used layout object from the given context for use in get_page_count and
* draw_page */
static PangoLayout *setup_pango_layout(GtkPrintContext *context, PangoFontDescription *desc)
{
PangoLayout *layout;
layout = gtk_print_context_create_pango_layout(context);
pango_layout_set_wrap(layout, PANGO_WRAP_WORD_CHAR);
pango_layout_set_spacing(layout, 0);
pango_layout_set_attributes(layout, NULL);
pango_layout_set_font_description(layout, desc);
return layout;
}
static PangoLayout *
create_layout_with_attrs (GtkWidget *widget,
const GdkRectangle *cell_area,
GdTwoLinesRenderer *self,
PangoEllipsizeMode ellipsize)
{
PangoLayout *layout;
gint wrap_width, xpad;
PangoWrapMode wrap_mode;
PangoAlignment alignment;
g_object_get (self,
"wrap-width", &wrap_width,
"wrap-mode", &wrap_mode,
"alignment", &alignment,
"xpad", &xpad,
NULL);
layout = pango_layout_new (gtk_widget_get_pango_context (widget));
pango_layout_set_ellipsize (layout, ellipsize);
pango_layout_set_alignment (layout, alignment);
if (wrap_width != -1)
{
pango_layout_set_width (layout, wrap_width * PANGO_SCALE);
pango_layout_set_wrap (layout, wrap_mode);
}
else
{
if (cell_area != NULL)
pango_layout_set_width (layout, (cell_area->width - 2 * xpad) * PANGO_SCALE);
else
pango_layout_set_width (layout, -1);
pango_layout_set_wrap (layout, PANGO_WRAP_CHAR);
}
return layout;
}
Ptr<ISubtitlesItem> CPangoCairoRenderer::render(Ptr<ISubtitlesItem> i_item)
{
Ptr<CSubtitlesTextItem> text = i_item;
if (text.isNull() || i_item->getType() != SUBTITLES_TYPE_TEXT)
{
return Ptr<ISubtitlesItem>();
}
Ptr<CCairoSurface> surface = new CCairoSurface(m_displaySize.Height, m_displaySize.Width, SURFACE_FORMAT_ARGB32);
cairo_t * cairo = cairo_create(surface->getSurface());
cairo_set_source_rgba(cairo, 0.0, 0.0, 0.0, 0.0);
cairo_paint(cairo);
PangoLayout * layout = pango_cairo_create_layout(cairo);
pango_layout_set_width(layout, m_displaySize.Width*PANGO_SCALE);
pango_layout_set_wrap(layout, PANGO_WRAP_WORD);
pango_layout_set_alignment(layout, PANGO_ALIGN_CENTER);
pango_layout_set_text(layout, text->getText().c_str(), -1);
PangoFontDescription * font = pango_font_description_from_string(m_font.c_str());
pango_layout_set_font_description(layout, font);
pango_font_description_free(font);
cairo_set_source_rgb(cairo, 1.0, 1.0, 1.0);
pango_cairo_update_layout(cairo, layout);
pango_cairo_show_layout(cairo, layout);
CValue<CRectangle> rect = getPixelRectangle(layout);
cairo_destroy(cairo);
g_object_unref(layout);
if (rect.isValid())
{
Ptr<CCairoSurface> textSurface = new CCairoSurface(*surface, rect.getValue());
CSize size = rect.getValue().Size;
CPoint position = computePosition(size);
CRectangle newRect(position, size);
return new CSubtitlesGraphicsItem(textSurface, newRect, text->getBeginTime(), text->getEndTime());
}
return Ptr<ISubtitlesItem>();
}
ttext::ttext() :
#if PANGO_VERSION_CHECK(1,22,0)
context_(pango_font_map_create_context(pango_cairo_font_map_get_default())),
#else
context_(pango_cairo_font_map_create_context((
reinterpret_cast<PangoCairoFontMap*>(pango_cairo_font_map_get_default())))),
#endif
layout_(pango_layout_new(context_)),
rect_(),
surface_(),
text_(),
markedup_text_(false),
link_aware_(false),
link_color_(),
font_class_(font::FONT_SANS_SERIF),
font_size_(14),
font_style_(STYLE_NORMAL),
foreground_color_(0xFFFFFFFF), // solid white
maximum_width_(-1),
characters_per_line_(0),
maximum_height_(-1),
ellipse_mode_(PANGO_ELLIPSIZE_END),
alignment_(PANGO_ALIGN_LEFT),
maximum_length_(std::string::npos),
calculation_dirty_(true),
length_(0),
surface_dirty_(true),
surface_buffer_(nullptr)
{
// With 72 dpi the sizes are the same as with SDL_TTF so hardcoded.
pango_cairo_context_set_resolution(context_, 72.0);
pango_layout_set_ellipsize(layout_, ellipse_mode_);
pango_layout_set_alignment(layout_, alignment_);
pango_layout_set_wrap(layout_, PANGO_WRAP_WORD_CHAR);
/*
* Set the pango spacing a bit bigger since the default is deemed to small
* http://www.wesnoth.org/forum/viewtopic.php?p=358832#p358832
*/
pango_layout_set_spacing(layout_, 4 * PANGO_SCALE);
cairo_font_options_t *fo = cairo_font_options_create();
cairo_font_options_set_hint_style(fo, CAIRO_HINT_STYLE_FULL);
cairo_font_options_set_hint_metrics(fo, CAIRO_HINT_METRICS_ON);
cairo_font_options_set_antialias(fo, CAIRO_ANTIALIAS_DEFAULT);
pango_cairo_context_set_font_options(context_, fo);
cairo_font_options_destroy(fo);
}
void
TextAsset::drawText(cairo_t* cairoContext,
const std::string& textString,
const Rect& rect,
PangoFontDescription* inFontDescription,
bool outlineEnabled)
{
cairo_move_to(cairoContext, rect.x, rect.y);
PangoLayout* layout = pango_cairo_create_layout(cairoContext);
// Kerning
PangoAttrList* attr_list = pango_attr_list_new();
PangoAttribute* spacing_attr = pango_attr_letter_spacing_new(pango_units_from_double(_kern));
pango_attr_list_insert(attr_list, spacing_attr);
pango_layout_set_attributes(layout, attr_list);
pango_cairo_context_set_resolution(pango_layout_get_context(layout), DISPLAY_RESOLUTION);
pango_layout_set_text(layout, textString.c_str(), textString.length());
pango_layout_set_font_description(layout, inFontDescription);
pango_layout_set_wrap(layout, PANGO_WRAP_WORD_CHAR);
pango_layout_set_width(layout, pango_units_from_double(rect.size.width + WIDTH_PADDING));
pango_layout_set_height(layout, pango_units_from_double(rect.size.height + HEIGHT_PADDING));
pango_layout_set_alignment(layout, _alignment);
applyLeading(cairoContext, layout, inFontDescription);
pango_cairo_show_layout(cairoContext, layout);
// Core Text defines positive outline width values as stroke only
if (_outlineThickness <= 0.0f) {
cairo_fill_preserve(cairoContext);
}
// Outline
if (outlineEnabled && _outlineThickness != 0.0f) {
const float outlineThickness = (fabsf(_outlineThickness) / 100.0f) * _fontSize * CLIENT_TO_SERVER_SCALE;
cairo_set_source_rgba(cairoContext,
_outlineColor.red,
_outlineColor.green,
_outlineColor.blue,
_outlineColor.alpha);
pango_cairo_layout_path(cairoContext, layout);
cairo_set_line_width(cairoContext, outlineThickness);
cairo_stroke(cairoContext);
} else {
cairo_new_path(cairoContext);
}
g_object_unref(layout);
}
/**
* Find where to split a string to make it fit a width.
*
* \param[in] fstyle style for this text
* \param[in] string UTF-8 string to measure
* \param[in] length length of string, in bytes
* \param[in] x width available
* \param[out] char_offset updated to offset in string of actual_x, [1..length]
* \param[out] actual_x updated to x coordinate of character closest to x
* \return NSERROR_OK or appropriate error code on faliure
*
* On exit, char_offset indicates first character after split point.
*
* \note char_offset of 0 must never be returned.
*
* Returns:
* char_offset giving split point closest to x, where actual_x <= x
* else
* char_offset giving split point closest to x, where actual_x > x
*
* Returning char_offset == length means no split possible
*/
static nserror
nsfont_split(const plot_font_style_t *fstyle,
const char *string,
size_t length,
int x,
size_t *char_offset,
int *actual_x)
{
int index = length;
PangoFontDescription *desc;
PangoContext *context;
PangoLayout *layout;
PangoLayoutLine *line;
context = gdk_pango_context_get();
layout = pango_layout_new(context);
desc = nsfont_style_to_description(fstyle);
pango_layout_set_font_description(layout, desc);
pango_font_description_free(desc);
pango_layout_set_text(layout, string, length);
/* Limit width of layout to the available width */
pango_layout_set_width(layout, x * PANGO_SCALE);
/* Request word wrapping */
pango_layout_set_wrap(layout, PANGO_WRAP_WORD);
/* Prevent pango treating linebreak characters as line breaks */
pango_layout_set_single_paragraph_mode(layout, TRUE);
/* Obtain the second line of the layout (if there is one) */
line = pango_layout_get_line(layout, 1);
if (line != NULL) {
/* Pango split the text. The line's start_index indicates the
* start of the character after the line break. */
index = line->start_index;
}
g_object_unref(layout);
g_object_unref(context);
*char_offset = index;
/* Obtain the pixel offset of the split character */
nsfont_width(fstyle, string, index, actual_x);
return NSERROR_OK;
}
static PangoLayout *
make_new_page (PangoContext * context, PangoFontDescription * desc,
gdouble height, gdouble width)
{
PangoLayout *layout;
layout = pango_layout_new (context);
pango_layout_set_justify (layout, TRUE);
pango_layout_set_spacing (layout, 1.5 * PANGO_SCALE);
pango_layout_set_width (layout, pango_units_from_double(width - SIDE_MARGIN));
pango_layout_set_height (layout, pango_units_from_double(height - EDGE_MARGIN));
pango_layout_set_wrap (layout, PANGO_WRAP_WORD_CHAR);
pango_layout_set_font_description (layout, desc);
return layout;
}
void draw_task (void *obj, cairo_t *c)
{
Task *tsk = obj;
tsk->state_pix[tsk->current_state] = tsk->area.pixmap;
PangoLayout *layout;
int width=0, height;
Panel *panel = (Panel*)tsk->area.panel;
//printf("draw_task %d %d\n", tsk->area.posx, tsk->area.posy);
if (panel->g_task.text) {
/* Layout */
layout = pango_cairo_create_layout (c);
pango_layout_set_font_description (layout, panel->g_task.font_desc);
pango_layout_set_text(layout, tsk->title, -1);
/* Drawing width and Cut text */
// pango use U+22EF or U+2026
pango_layout_set_width(layout, ((Taskbar*)tsk->area.parent)->text_width * PANGO_SCALE);
pango_layout_set_height(layout, panel->g_task.text_height * PANGO_SCALE);
pango_layout_set_wrap(layout, PANGO_WRAP_CHAR);
pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
/* Center text */
if (panel->g_task.centered) pango_layout_set_alignment (layout, PANGO_ALIGN_CENTER);
else pango_layout_set_alignment (layout, PANGO_ALIGN_LEFT);
pango_layout_get_pixel_size (layout, &width, &height);
color_rgba_t text_color = panel->g_task.font_colors[tsk->current_state];
double text_posy = (panel->g_task.area.bounds.height - height) / 2.0;
draw_text (layout, c, panel->g_task.text_posx, text_posy, &text_color, panel->font_shadow);
g_object_unref (layout);
}
if (panel->g_task.icon) {
draw_task_icon (tsk, width);
}
}
/*
static internal_calculate_text_extents(GtkWidget *widget, CustomCellRendererFlexi *cellflexi, PangoRectangle *rect)
{
PangoFontDescription* font_desc = NULL;
PangoLayout* layout = NULL;
if (cellflexi->default_width<0)
{
layout = gtk_widget_create_pango_layout(widget,"0123456789ABCDEF");
font_desc = pango_font_description_from_string("Monospace");
if (font_desc)
pango_layout_set_font_description(layout, font_desc);
pango_layout_get_pixel_extents(layout,NULL,&rect);
cellflexi->default_width = rect.width*4;
cellflexi->default_line_height = rect.height;
if (cellflexi->default_width <= 0)
{
cellflexi->default_width = 400;
cellflexi->default_line_height = 12;
}
if (font_desc)
pango_font_description_free(font_desc);
g_object_unref(layout);
}
}
*/
static PangoLayout* internal_text_create_layout(GtkWidget *widget, CustomCellRendererFlexi *cellflexi)
{
PangoContext* p_context = gtk_widget_get_pango_context(widget);
PangoFontDescription* font_desc = NULL;
PangoLayout* layout = NULL;
PangoRectangle rect;
if (cellflexi->default_width < 0)
{
layout = gtk_widget_create_pango_layout(widget,"0123456789ABCDEF");
font_desc = pango_font_description_from_string("Monospace");
if (font_desc)
pango_layout_set_font_description(layout, font_desc);
pango_layout_get_pixel_extents(layout,NULL,&rect);
cellflexi->default_width = rect.width*4;
/* catch-all, if any conditions fails */
if (cellflexi->default_width <= 0)
{
cellflexi->default_width = 400;
}
if (font_desc)
pango_font_description_free(font_desc);
g_object_unref(layout);
}
layout = pango_layout_new(p_context);
pango_layout_set_width(layout,cellflexi->default_width*PANGO_SCALE);
pango_layout_set_wrap(layout,PANGO_WRAP_WORD_CHAR);
pango_layout_set_markup(layout,a_strval((a_string_t*)cellflexi->rendered_value),-1);
return layout;
}
textbox* textbox_create ( const char *name, TextboxFlags flags, TextBoxFontType tbft, const char *text )
{
textbox *tb = g_slice_new0 ( textbox );
widget_init ( WIDGET ( tb ), name );
tb->widget.draw = textbox_draw;
tb->widget.free = textbox_free;
tb->widget.resize = textbox_resize;
tb->widget.get_width = textbox_get_width;
tb->widget.get_height = _textbox_get_height;
tb->widget.get_desired_height = textbox_get_desired_height;
tb->flags = flags;
tb->changed = FALSE;
tb->main_surface = cairo_image_surface_create ( CAIRO_FORMAT_ARGB32, tb->widget.w, tb->widget.h );
tb->main_draw = cairo_create ( tb->main_surface );
tb->layout = pango_layout_new ( p_context );
textbox_font ( tb, tbft );
if ( ( flags & TB_WRAP ) == TB_WRAP ) {
pango_layout_set_wrap ( tb->layout, PANGO_WRAP_WORD_CHAR );
}
textbox_text ( tb, text ? text : "" );
textbox_cursor_end ( tb );
// auto height/width modes get handled here
textbox_moveresize ( tb, tb->widget.x, tb->widget.y, tb->widget.w, tb->widget.h );
tb->blink_timeout = 0;
tb->blink = 1;
if ( ( flags & TB_EDITABLE ) == TB_EDITABLE ) {
tb->blink_timeout = g_timeout_add ( 1200, textbox_blink, tb );
}
// Enabled by default
tb->widget.enabled = TRUE;
return tb;
}
