コード例 #1
0
static void
gnome_icon_text_item_update (GnomeCanvasItem *item, double *affine, ArtSVP *clip_path, int flags)
{
	GnomeIconTextItem *iti;
	GnomeIconTextItemPrivate *priv;

	iti = GNOME_ICON_TEXT_ITEM (item);
	priv = iti->_priv;

	GNOME_CALL_PARENT (GNOME_CANVAS_ITEM_CLASS, update, (item, affine, clip_path, flags));

	/* If necessary, queue a redraw of the old bounding box */
	if ((flags & GNOME_CANVAS_UPDATE_VISIBILITY)
	    || (flags & GNOME_CANVAS_UPDATE_AFFINE)
	    || priv->need_pos_update
	    || priv->need_font_update
	    || priv->need_text_update)
		gnome_canvas_request_redraw (item->canvas, item->x1, item->y1, item->x2, item->y2);

	/* Compute new bounds */
	if (priv->need_pos_update
	    || priv->need_font_update
	    || priv->need_text_update)
		recompute_bounding_box (iti);

	/* Queue redraw */
	gnome_canvas_request_redraw (item->canvas, item->x1, item->y1, item->x2, item->y2);

	priv->need_pos_update = FALSE;
	priv->need_font_update = FALSE;
	priv->need_text_update = FALSE;
	priv->need_state_update = FALSE;
}
コード例 #2
0
ファイル: gnucash-header.c プロジェクト: nishmu/gnucash
static void
gnc_header_request_redraw (GncHeader *header)
{
    GnomeCanvas *canvas = GNOME_CANVAS_ITEM(header)->canvas;

    if (header->style == NULL)
        return;

    gnome_canvas_request_redraw (canvas, 0, 0,
                                 header->width + 1,
                                 header->height + 1);
}
コード例 #3
0
static void
etfci_update (GnomeCanvasItem *item,
              const cairo_matrix_t *i2c,
              gint flags)
{
	ETableFieldChooserItem *etfci = E_TABLE_FIELD_CHOOSER_ITEM (item);
	gdouble x1, y1, x2, y2;

	if (GNOME_CANVAS_ITEM_CLASS (e_table_field_chooser_item_parent_class)->update)
		GNOME_CANVAS_ITEM_CLASS (e_table_field_chooser_item_parent_class)->update (
			item, i2c, flags);

	x1 = y1 = 0;
	x2 = etfci->width;
	y2 = etfci->height;

	gnome_canvas_matrix_transform_rect (i2c, &x1, &y1, &x2, &y2);

	if (item->x1 != x1 ||
	    item->y1 != y1 ||
	    item->x2 != x2 ||
	    item->y2 != y2)
		{
			gnome_canvas_request_redraw (
				item->canvas, item->x1,
				item->y1, item->x2, item->y2);
			item->x1 = x1;
			item->y1 = y1;
			item->x2 = x2;
			item->y2 = y2;
/* FIXME: Group Child bounds !? */
#if 0
			gnome_canvas_group_child_bounds (
				GNOME_CANVAS_GROUP (item->parent), item);
#endif
		}
	gnome_canvas_request_redraw (
		item->canvas, item->x1, item->y1, item->x2, item->y2);
}
コード例 #4
0
ファイル: gnucash-cursor.c プロジェクト: 814ckf0x/gnucash
static void
gnucash_cursor_request_redraw (GnucashCursor *cursor)
{
    GnomeCanvas *canvas = GNOME_CANVAS_ITEM(cursor)->canvas;
    int x, y, w, h;

    x = cursor->x;
    y = cursor->y;
    w = cursor->w;
    h = cursor->h;

    gnome_canvas_request_redraw (canvas, x, y, x + w + 1, y + h + 1);
}
コード例 #5
0
ファイル: e-reflow.c プロジェクト: ebbywiselyn/evolution
static gboolean
e_reflow_event (GnomeCanvasItem *item, GdkEvent *event)
{
	EReflow *reflow;
	int return_val = FALSE;

	reflow = E_REFLOW (item);

	switch( event->type )
		{
		case GDK_KEY_PRESS:
			return_val = e_selection_model_key_press(reflow->selection, (GdkEventKey *) event);
			break;
#if 0
			if (event->key.keyval == GDK_Tab ||
			    event->key.keyval == GDK_KP_Tab ||
			    event->key.keyval == GDK_ISO_Left_Tab) {
				int i;
				int count;
				count = reflow->count;
				for (i = 0; i < count; i++) {
					int unsorted = e_sorter_sorted_to_model (E_SORTER (reflow->sorter), i);
					GnomeCanvasItem *item = reflow->items[unsorted];
					EFocus has_focus;
					if (item) {
						g_object_get(item,
							     "has_focus", &has_focus,
							     NULL);
						if (has_focus) {
							if (event->key.state & GDK_SHIFT_MASK) {
								if (i == 0)
									return FALSE;
								i--;
							} else {
								if (i == count - 1)
									return FALSE;
								i++;
							}

							unsorted = e_sorter_sorted_to_model (E_SORTER (reflow->sorter), i);
							if (reflow->items[unsorted] == NULL) {
								reflow->items[unsorted] = e_reflow_model_incarnate (reflow->model, unsorted, GNOME_CANVAS_GROUP (reflow));
							}

							item = reflow->items[unsorted];
							gnome_canvas_item_set(item,
									      "has_focus", (event->key.state & GDK_SHIFT_MASK) ? E_FOCUS_END : E_FOCUS_START,
									      NULL);
							return TRUE;
						}
					}
				}
			}
#endif
		case GDK_BUTTON_PRESS:
			switch(event->button.button)
				{
				case 1:
					{
						GdkEventButton *button = (GdkEventButton *) event;
						double n_x, max_x;
						n_x = button->x;
						n_x += E_REFLOW_BORDER_WIDTH + E_REFLOW_DIVIDER_WIDTH;
						n_x = fmod(n_x,(reflow->column_width + E_REFLOW_FULL_GUTTER));

						max_x = E_REFLOW_BORDER_WIDTH;
						max_x += (reflow->column_width + E_REFLOW_FULL_GUTTER) * reflow->column_count;
						if ( button->y >= E_REFLOW_BORDER_WIDTH && button->y <= reflow->height - E_REFLOW_BORDER_WIDTH && n_x < E_REFLOW_FULL_GUTTER && max_x > button->x ) {
							/* don't allow to drag the first line*/
							if (e_reflow_pick_line(reflow, button->x) == 0)
								return TRUE;
							reflow->which_column_dragged = e_reflow_pick_line(reflow, button->x);
							reflow->start_x = reflow->which_column_dragged * (reflow->column_width + E_REFLOW_FULL_GUTTER) - E_REFLOW_DIVIDER_WIDTH / 2;
							reflow->temp_column_width = reflow->column_width;
							reflow->column_drag = TRUE;

							gnome_canvas_item_grab (item,
										GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK,
										reflow->arrow_cursor,
										button->time);

							reflow->previous_temp_column_width = -1;
							reflow->need_column_resize = TRUE;
							gnome_canvas_item_request_update(item);
							return TRUE;
						}
					}
					break;
				case 4:
					{
						GtkAdjustment *adjustment = gtk_layout_get_hadjustment(GTK_LAYOUT(item->canvas));
						gdouble new_value = adjustment->value;
						new_value -= adjustment->step_increment;
						gtk_adjustment_set_value(adjustment, new_value);
					}
					break;
				case 5:
					{
						GtkAdjustment *adjustment = gtk_layout_get_hadjustment(GTK_LAYOUT(item->canvas));
						gdouble new_value = adjustment->value;
						new_value += adjustment->step_increment;
						if ( new_value > adjustment->upper - adjustment->page_size )
							new_value = adjustment->upper - adjustment->page_size;
						gtk_adjustment_set_value(adjustment, new_value);
					}
					break;
				}
			break;
		case GDK_BUTTON_RELEASE:
			if (reflow->column_drag) {
				gdouble old_width = reflow->column_width;
				GdkEventButton *button = (GdkEventButton *) event;
				GtkAdjustment *adjustment = gtk_layout_get_hadjustment(GTK_LAYOUT(item->canvas));
				reflow->temp_column_width = reflow->column_width +
					(button->x - reflow->start_x)/(reflow->which_column_dragged - e_reflow_pick_line(reflow, adjustment->value));
				if ( reflow->temp_column_width < 50 )
					reflow->temp_column_width = 50;
				reflow->column_drag = FALSE;
				if ( old_width != reflow->temp_column_width ) {
					gtk_adjustment_set_value(adjustment, adjustment->value + e_reflow_pick_line(reflow, adjustment->value) * (reflow->temp_column_width - reflow->column_width));
					reflow->column_width = reflow->temp_column_width;
					adjustment->step_increment = (reflow->column_width + E_REFLOW_FULL_GUTTER) / 2;
					adjustment->page_increment = adjustment->page_size - adjustment->step_increment;
					gtk_adjustment_changed(adjustment);
					e_reflow_resize_children(item);
					e_canvas_item_request_reflow(item);
					gnome_canvas_request_redraw(item->canvas, 0, 0, reflow->width, reflow->height);
					column_width_changed (reflow);
				}
				reflow->need_column_resize = TRUE;
				gnome_canvas_item_request_update(item);
				gnome_canvas_item_ungrab (item, button->time);
				return TRUE;
			}
			break;
		case GDK_MOTION_NOTIFY:
			if (reflow->column_drag) {
				double old_width = reflow->temp_column_width;
				GdkEventMotion *motion = (GdkEventMotion *) event;
				GtkAdjustment *adjustment = gtk_layout_get_hadjustment(GTK_LAYOUT(item->canvas));
				reflow->temp_column_width = reflow->column_width +
					(motion->x - reflow->start_x)/(reflow->which_column_dragged - e_reflow_pick_line(reflow, adjustment->value));
				if (reflow->temp_column_width < 50)
					reflow->temp_column_width = 50;
				if (old_width != reflow->temp_column_width) {
					reflow->need_column_resize = TRUE;
					gnome_canvas_item_request_update(item);
				}
				return TRUE;
			} else {
				GdkEventMotion *motion = (GdkEventMotion *) event;
				double n_x, max_x;

				n_x = motion->x;
				n_x += E_REFLOW_BORDER_WIDTH + E_REFLOW_DIVIDER_WIDTH;
				n_x = fmod(n_x,(reflow->column_width + E_REFLOW_FULL_GUTTER));

				max_x = E_REFLOW_BORDER_WIDTH;
				max_x += (reflow->column_width + E_REFLOW_FULL_GUTTER) * reflow->column_count;

				if ( motion->y >= E_REFLOW_BORDER_WIDTH && motion->y <= reflow->height - E_REFLOW_BORDER_WIDTH && n_x < E_REFLOW_FULL_GUTTER && max_x > motion->x) {
					if ( reflow->default_cursor_shown ) {
						gdk_window_set_cursor(GTK_WIDGET(item->canvas)->window, reflow->arrow_cursor);
						reflow->default_cursor_shown = FALSE;
					}
				} else
					if ( ! reflow->default_cursor_shown ) {
						gdk_window_set_cursor(GTK_WIDGET(item->canvas)->window, reflow->default_cursor);
						reflow->default_cursor_shown = TRUE;
					}

			}
			break;
		case GDK_ENTER_NOTIFY:
			if (!reflow->column_drag) {
				GdkEventCrossing *crossing = (GdkEventCrossing *) event;
				double n_x, max_x;
				n_x = crossing->x;
				n_x += E_REFLOW_BORDER_WIDTH + E_REFLOW_DIVIDER_WIDTH;
				n_x = fmod(n_x,(reflow->column_width + E_REFLOW_FULL_GUTTER));

				max_x = E_REFLOW_BORDER_WIDTH;
				max_x += (reflow->column_width + E_REFLOW_FULL_GUTTER) * reflow->column_count;
				if ( crossing->y >= E_REFLOW_BORDER_WIDTH && crossing->y <= reflow->height - E_REFLOW_BORDER_WIDTH && n_x < E_REFLOW_FULL_GUTTER && max_x > crossing->x) {
					if ( reflow->default_cursor_shown ) {
						gdk_window_set_cursor(GTK_WIDGET(item->canvas)->window, reflow->arrow_cursor);
						reflow->default_cursor_shown = FALSE;
					}
				}
			}
			break;
		case GDK_LEAVE_NOTIFY:
			if (!reflow->column_drag) {
				GdkEventCrossing *crossing = (GdkEventCrossing *) event;
				double n_x;
				n_x = crossing->x;
				n_x += E_REFLOW_BORDER_WIDTH + E_REFLOW_DIVIDER_WIDTH;
				n_x = fmod(n_x,(reflow->column_width + E_REFLOW_FULL_GUTTER));
				if ( !( crossing->y >= E_REFLOW_BORDER_WIDTH && crossing->y <= reflow->height - E_REFLOW_BORDER_WIDTH && n_x < E_REFLOW_FULL_GUTTER ) ) {
					if ( ! reflow->default_cursor_shown ) {
						gdk_window_set_cursor(GTK_WIDGET(item->canvas)->window, reflow->default_cursor);
						reflow->default_cursor_shown = TRUE;
					}
				}
			}
			break;
		default:
			break;
		}
	if (return_val)
		return return_val;
	else if (GNOME_CANVAS_ITEM_CLASS( e_reflow_parent_class )->event)
		return (* GNOME_CANVAS_ITEM_CLASS( e_reflow_parent_class )->event) (item, event);
	else
		return FALSE;
}
コード例 #6
0
ファイル: e-reflow.c プロジェクト: ebbywiselyn/evolution
static void
e_reflow_update (GnomeCanvasItem *item, double affine[6], ArtSVP *clip_path, gint flags)
{
	EReflow *reflow;
	double x0, x1, y0, y1;

	reflow = E_REFLOW (item);

	if (GNOME_CANVAS_ITEM_CLASS(e_reflow_parent_class)->update)
		GNOME_CANVAS_ITEM_CLASS(e_reflow_parent_class)->update (item, affine, clip_path, flags);

	x0 = item->x1;
	y0 = item->y1;
	x1 = item->x2;
	y1 = item->y2;
	if ( x1 < x0 + reflow->width )
		x1 = x0 + reflow->width;
	if ( y1 < y0 + reflow->height )
		y1 = y0 + reflow->height;
	item->x2 = x1;
	item->y2 = y1;

	if (reflow->need_height_update) {
		x0 = item->x1;
		y0 = item->y1;
		x1 = item->x2;
		y1 = item->y2;
		if ( x0 > 0 )
			x0 = 0;
		if ( y0 > 0 )
			y0 = 0;
		if ( x1 < E_REFLOW(item)->width )
			x1 = E_REFLOW(item)->width;
		if ( x1 < E_REFLOW(item)->height )
			x1 = E_REFLOW(item)->height;

		gnome_canvas_request_redraw(item->canvas, x0, y0, x1, y1);
		reflow->need_height_update = FALSE;
	} else if (reflow->need_column_resize) {
		int x_rect, y_rect, width_rect, height_rect;
		int start_line = e_reflow_pick_line(reflow,
						    gtk_layout_get_hadjustment(GTK_LAYOUT(item->canvas))->value);
		gdouble running_width;
		int i;
		double column_width;

		if ( reflow->previous_temp_column_width != -1 ) {
			running_width = start_line * (reflow->column_width + E_REFLOW_FULL_GUTTER);
			column_width = reflow->previous_temp_column_width;
			running_width -= start_line * (column_width + E_REFLOW_FULL_GUTTER);
			running_width += E_REFLOW_BORDER_WIDTH + column_width + E_REFLOW_BORDER_WIDTH;
			y_rect = E_REFLOW_BORDER_WIDTH;
			width_rect = E_REFLOW_DIVIDER_WIDTH;
			height_rect = reflow->height - (E_REFLOW_BORDER_WIDTH * 2);

			for ( i = 0; i < reflow->column_count; i++) {
				x_rect = running_width;
				gnome_canvas_request_redraw(item->canvas, x_rect, y_rect, x_rect + width_rect, y_rect + height_rect);
				running_width += E_REFLOW_DIVIDER_WIDTH + E_REFLOW_BORDER_WIDTH + column_width + E_REFLOW_BORDER_WIDTH;
			}
		}

		if ( reflow->temp_column_width != -1 ) {
			running_width = start_line * (reflow->column_width + E_REFLOW_FULL_GUTTER);
			column_width = reflow->temp_column_width;
			running_width -= start_line * (column_width + E_REFLOW_FULL_GUTTER);
			running_width += E_REFLOW_BORDER_WIDTH + column_width + E_REFLOW_BORDER_WIDTH;
			y_rect = E_REFLOW_BORDER_WIDTH;
			width_rect = E_REFLOW_DIVIDER_WIDTH;
			height_rect = reflow->height - (E_REFLOW_BORDER_WIDTH * 2);

			for ( i = 0; i < reflow->column_count; i++) {
				x_rect = running_width;
				gnome_canvas_request_redraw(item->canvas, x_rect, y_rect, x_rect + width_rect, y_rect + height_rect);
				running_width += E_REFLOW_DIVIDER_WIDTH + E_REFLOW_BORDER_WIDTH + column_width + E_REFLOW_BORDER_WIDTH;
			}
		}

		reflow->previous_temp_column_width = reflow->temp_column_width;
		reflow->need_column_resize = FALSE;
	}
}