static void gd_two_lines_renderer_get_preferred_height_for_width (GtkCellRenderer *cell, GtkWidget *widget, gint width, gint *minimum_size, gint *natural_size) { gint text_height; gint ypad; gd_two_lines_renderer_get_size (cell, widget, NULL, NULL, NULL, &text_height, NULL, NULL, NULL, NULL); gtk_cell_renderer_get_padding (cell, NULL, &ypad); text_height += 2 * ypad; if (minimum_size != NULL) *minimum_size = text_height; if (natural_size != NULL) *natural_size = text_height; }
static void gd_two_lines_renderer_get_aligned_area (GtkCellRenderer *cell, GtkWidget *widget, GtkCellRendererState flags, const GdkRectangle *cell_area, GdkRectangle *aligned_area) { GdTwoLinesRenderer *self = GD_TWO_LINES_RENDERER (cell); gint x_offset, x_offset_1, x_offset_2, y_offset; PangoLayout *layout_one, *layout_two; /* fetch common information */ gd_two_lines_renderer_prepare_layouts (self, cell_area, widget, &layout_one, &layout_two); gd_two_lines_renderer_get_size (cell, widget, layout_one, layout_two, &aligned_area->width, &aligned_area->height, cell_area, &x_offset_1, &x_offset_2, &y_offset); x_offset = MIN (x_offset_1, x_offset_2); aligned_area->x = cell_area->x + x_offset; aligned_area->y = cell_area->y; g_clear_object (&layout_one); g_clear_object (&layout_two); }
static void gd_two_lines_renderer_get_aligned_area (GtkCellRenderer *cell, GtkWidget *widget, GtkCellRendererState flags, const GdkRectangle *cell_area, GdkRectangle *aligned_area) { gint x_offset_1, x_offset_2, y_offset; gd_two_lines_renderer_get_size (cell, widget, NULL, NULL, &aligned_area->width, &aligned_area->height, cell_area, &x_offset_1, &x_offset_2, &y_offset); aligned_area->x = cell_area->x + MAX (x_offset_1, x_offset_2); aligned_area->y = cell_area->y; }
static void gd_two_lines_renderer_get_preferred_height_for_width (GtkCellRenderer *cell, GtkWidget *widget, gint width, gint *minimum_size, gint *natural_size) { GdTwoLinesRenderer *self = GD_TWO_LINES_RENDERER (cell); PangoLayout *layout_one, *layout_two; gint text_height, wrap_width; gint xpad, ypad; gtk_cell_renderer_get_padding (cell, &xpad, &ypad); g_object_get (cell, "wrap-width", &wrap_width, NULL); gd_two_lines_renderer_prepare_layouts (self, NULL, widget, &layout_one, &layout_two); if (wrap_width != -1) wrap_width = MIN (width - 2 * xpad, wrap_width); else wrap_width = width - 2 * xpad; pango_layout_set_width (layout_one, wrap_width); if (layout_two != NULL) pango_layout_set_width (layout_two, wrap_width); gd_two_lines_renderer_get_size (cell, widget, layout_one, layout_two, NULL, &text_height, NULL, NULL, NULL, NULL); text_height += 2 * ypad; if (minimum_size != NULL) *minimum_size = text_height; if (natural_size != NULL) *natural_size = text_height; g_clear_object (&layout_one); g_clear_object (&layout_two); }
static void gd_two_lines_renderer_get_preferred_width (GtkCellRenderer *cell, GtkWidget *widget, gint *minimum_size, gint *natural_size) { PangoContext *context; PangoFontMetrics *metrics; PangoFontDescription *font_desc; GtkStyleContext *style_context; gint nat_width, min_width; gint xpad, char_width, wrap_width, text_width; gint width_chars, ellipsize_chars; g_object_get (cell, "xpad", &xpad, "width-chars", &width_chars, "wrap-width", &wrap_width, NULL); style_context = gtk_widget_get_style_context (widget); gtk_cell_renderer_get_padding (cell, &xpad, NULL); gd_two_lines_renderer_get_size (cell, widget, NULL, NULL, &text_width, NULL, NULL, NULL, NULL, NULL); /* Fetch the average size of a character */ context = gtk_widget_get_pango_context (widget); gtk_style_context_save (style_context); gtk_style_context_set_state (style_context, 0); gtk_style_context_get (style_context, gtk_style_context_get_state (style_context), "font", &font_desc, NULL); gtk_style_context_restore (style_context); metrics = pango_context_get_metrics (context, font_desc, pango_context_get_language (context)); char_width = pango_font_metrics_get_approximate_char_width (metrics); pango_font_metrics_unref (metrics); pango_font_description_free (font_desc); /* enforce minimum width for ellipsized labels at ~3 chars */ ellipsize_chars = 3; /* If no width-chars set, minimum for wrapping text will be the wrap-width */ if (wrap_width > -1) min_width = xpad * 2 + MIN (text_width, wrap_width); else min_width = xpad * 2 + MIN (text_width, (PANGO_PIXELS (char_width) * MAX (width_chars, ellipsize_chars))); if (width_chars > 0) nat_width = xpad * 2 + MAX ((PANGO_PIXELS (char_width) * width_chars), text_width); else nat_width = xpad * 2 + text_width; nat_width = MAX (nat_width, min_width); if (minimum_size) *minimum_size = min_width; if (natural_size) *natural_size = nat_width; }
static void gd_two_lines_renderer_render (GtkCellRenderer *cell, cairo_t *cr, GtkWidget *widget, const GdkRectangle *background_area, const GdkRectangle *cell_area, GtkCellRendererState flags) { GdTwoLinesRenderer *self = GD_TWO_LINES_RENDERER (cell); GtkStyleContext *context; gint line_one_height; GtkStateFlags state; GdkRectangle area, render_area = *cell_area; gint xpad, ypad, x_offset_1, x_offset_2, y_offset; PangoLayout *layout_one, *layout_two; PangoRectangle layout_rect; /* fetch common information */ context = gtk_widget_get_style_context (widget); gd_two_lines_renderer_prepare_layouts (self, cell_area, widget, &layout_one, &layout_two); gd_two_lines_renderer_get_size (cell, widget, layout_one, layout_two, NULL, NULL, cell_area, &x_offset_1, &x_offset_2, &y_offset); gtk_cell_renderer_get_padding (cell, &xpad, &ypad); area = *cell_area; area.x += xpad; area.y += ypad; /* now render the first layout */ pango_layout_get_pixel_extents (layout_one, NULL, &layout_rect); render_area = area; render_area.x += x_offset_1 - layout_rect.x; gtk_render_layout (context, cr, render_area.x, render_area.y, layout_one); /* render the second layout */ if (layout_two != NULL) { pango_layout_get_pixel_size (layout_one, NULL, &line_one_height); gtk_style_context_save (context); apply_subtitle_style_to_layout (context, layout_two, flags); state = gtk_cell_renderer_get_state (cell, widget, flags); gtk_style_context_set_state (context, state); pango_layout_get_pixel_extents (layout_two, NULL, &layout_rect); render_area = area; render_area.x += x_offset_2 - layout_rect.x; render_area.y += line_one_height; gtk_render_layout (context, cr, render_area.x, render_area.y, layout_two); gtk_style_context_restore (context); } g_clear_object (&layout_one); g_clear_object (&layout_two); }
static void gd_two_lines_renderer_render (GtkCellRenderer *cell, cairo_t *cr, GtkWidget *widget, const GdkRectangle *background_area, const GdkRectangle *cell_area, GtkCellRendererState flags) { GdTwoLinesRenderer *self = GD_TWO_LINES_RENDERER (cell); GtkStyleContext *context; gint line_one_height; GtkStateFlags state; GdkRectangle render_area = *cell_area; gint xpad, ypad, x_offset_1, x_offset_2, y_offset; PangoLayout *layout_one, *layout_two; context = gtk_widget_get_style_context (widget); gd_two_lines_renderer_prepare_layouts (self, widget, &layout_one, &layout_two); gd_two_lines_renderer_get_size (cell, widget, layout_one, layout_two, NULL, NULL, cell_area, &x_offset_1, &x_offset_2, &y_offset); gtk_cell_renderer_get_padding (cell, &xpad, &ypad); render_area.x += xpad + x_offset_1; render_area.y += ypad; pango_layout_set_width (layout_one, (cell_area->width - x_offset_1 - 2 * xpad) * PANGO_SCALE); gtk_render_layout (context, cr, render_area.x, render_area.y, layout_one); if (layout_two != NULL) { pango_layout_get_pixel_size (layout_one, NULL, &line_one_height); gtk_style_context_save (context); gtk_style_context_add_class (context, "dim-label"); state = gtk_cell_renderer_get_state (cell, widget, flags); gtk_style_context_set_state (context, state); render_area.x += - x_offset_1 + x_offset_2; render_area.y += line_one_height; pango_layout_set_width (layout_two, (cell_area->width - x_offset_2 - 2 * xpad) * PANGO_SCALE); gtk_render_layout (context, cr, render_area.x, render_area.y, layout_two); gtk_style_context_restore (context); } g_clear_object (&layout_one); g_clear_object (&layout_two); }