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notebook: Add a style property for whether to draw a tab gap

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Add a has-tab-gap style property to GtkNotebook so that we can
disable drawing the gap between tabs and the page in the Adwaita
theme without breaking existing themes.

https://bugzilla.gnome.org/show_bug.cgi?id=707920
This commit is contained in:
William Jon McCann 2013-09-30 18:57:58 -04:00
parent b609377e3e
commit e9b9fd20b9
1 changed files with 80 additions and 14 deletions
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94
gtk/gtknotebook.c
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@ -934,6 +934,23 @@ gtk_notebook_class_init (GtkNotebookClass *class)
0,
GTK_PARAM_READABLE));
/**
* GtkNotebook:has-tab-gap:
*
* The "has-tab-gap" property defines whether the active tab is draw
* with a gap at the bottom. When %TRUE the theme engine uses
* gtk_render_extension to draw the active tab. When %FALSE
* gtk_render_background and gtk_render_frame are used.
*
* Since: 3.12
*/
gtk_widget_class_install_style_property (widget_class,
g_param_spec_boolean ("has-tab-gap",
P_("Tab gap"),
P_("Active tab is drawn with a gap at the bottom"),
TRUE,
GTK_PARAM_READABLE));
/**
* GtkNotebook::switch-page:
* @notebook: the object which received the signal.
@ -3550,7 +3567,7 @@ on_drag_icon_draw (GtkWidget *widget,
GtkWidget *notebook, *child;
GtkRequisition requisition;
GtkStyleContext *context;
gint gap_pos;
gboolean has_tab_gap;
notebook = GTK_WIDGET (data);
child = gtk_bin_get_child (GTK_BIN (widget));
@ -3561,11 +3578,29 @@ on_drag_icon_draw (GtkWidget *widget,
gtk_widget_get_preferred_size (widget,
&requisition, NULL);
gap_pos = get_tab_gap_pos (GTK_NOTEBOOK (notebook));
gtk_render_extension (context, cr, 0, 0,
requisition.width, requisition.height,
gap_pos);
gtk_widget_style_get (GTK_WIDGET (notebook),
"has-tab-gap", &has_tab_gap,
NULL);
if (has_tab_gap)
{
gint gap_pos;
gap_pos = get_tab_gap_pos (GTK_NOTEBOOK (notebook));
gtk_render_extension (context, cr, 0, 0,
requisition.width, requisition.height,
gap_pos);
}
else
{
gtk_render_background (context, cr, 0, 0,
requisition.width,
requisition.height);
gtk_render_frame (context, cr, 0, 0,
requisition.width,
requisition.height);
}
if (child)
gtk_container_propagate_draw (GTK_CONTAINER (widget), child, cr);
@ -5128,6 +5163,7 @@ gtk_notebook_paint (GtkWidget *widget,
guint border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
gint gap_x = 0, gap_width = 0, step = STEP_PREV;
gboolean is_rtl;
gboolean has_tab_gap;
gint tab_pos;
GtkStyleContext *context;
@ -5270,11 +5306,19 @@ gtk_notebook_paint (GtkWidget *widget,
gtk_style_context_set_junction_sides (context, junction);
}
gtk_widget_style_get (GTK_WIDGET (notebook),
"has-tab-gap", &has_tab_gap,
NULL);
gtk_render_background (context, cr,
x, y, width, height);
gtk_render_frame_gap (context, cr,
x, y, width, height,
tab_pos, gap_x, gap_x + gap_width);
if (has_tab_gap)
gtk_render_frame_gap (context, cr,
x, y, width, height,
tab_pos, gap_x, gap_x + gap_width);
else
gtk_render_frame (context, cr,
x, y, width, height);
gtk_style_context_restore (context);
@ -5349,6 +5393,7 @@ gtk_notebook_draw_tab (GtkNotebook *notebook,
GtkNotebookPrivate *priv;
GtkWidget *widget;
GtkStyleContext *context;
gboolean has_tab_gap;
if (!NOTEBOOK_IS_TAB_LABEL_PARENT (notebook, page) ||
!gtk_widget_get_mapped (page->tab_label) ||
@ -5362,12 +5407,33 @@ gtk_notebook_draw_tab (GtkNotebook *notebook,
gtk_style_context_save (context);
notebook_tab_prepare_style_context (notebook, page, context, use_flags);
gtk_render_extension (context, cr,
page->allocation.x,
page->allocation.y,
page->allocation.width,
page->allocation.height,
get_tab_gap_pos (notebook));
gtk_widget_style_get (GTK_WIDGET (notebook),
"has-tab-gap", &has_tab_gap,
NULL);
if (has_tab_gap)
{
gtk_render_extension (context, cr,
page->allocation.x,
page->allocation.y,
page->allocation.width,
page->allocation.height,
get_tab_gap_pos (notebook));
}
else
{
gtk_render_background (context, cr,
page->allocation.x,
page->allocation.y,
page->allocation.width,
page->allocation.height);
gtk_render_frame (context, cr,
page->allocation.x,
page->allocation.y,
page->allocation.width,
page->allocation.height);
}
if (gtk_widget_has_visible_focus (widget) &&
priv->cur_page == page)