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notebook: add top/bottom/left/right style classes to the tab region

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When we use the style context to get information for the tab region,
also add a style class to indicate its position, so that the relevant
information is pulled off from the theme.

https://bugzilla.gnome.org/show_bug.cgi?id=659777
This commit is contained in:
Cosimo Cecchi 2011-09-21 20:15:02 -04:00
parent 8d3f7e3a4a
commit c2f5d3d8b0
1 changed files with 54 additions and 35 deletions
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89
gtk/gtknotebook.c
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@ -460,7 +460,7 @@ static void gtk_notebook_paint (GtkWidget *widget,
static void gtk_notebook_draw_tab (GtkNotebook *notebook,
GtkNotebookPage *page,
cairo_t *cr,
GtkRegionFlags flags);
gboolean use_flags);
static void gtk_notebook_draw_arrow (GtkNotebook *notebook,
cairo_t *cr,
GtkNotebookArrow arrow);
@ -1954,6 +1954,48 @@ _gtk_notebook_get_tab_flags (GtkNotebook *notebook,
return flags;
}
static GtkStateFlags
notebook_tab_prepare_style_context (GtkNotebook *notebook,
GtkNotebookPage *page,
GtkStyleContext *context,
gboolean use_flags)
{
gint tab_pos = get_effective_tab_pos (notebook);
GtkRegionFlags flags = 0;
GtkStateFlags state = GTK_STATE_FLAG_NORMAL;
if (page != NULL &&
page == notebook->priv->cur_page)
state = GTK_STATE_FLAG_ACTIVE;
gtk_style_context_set_state (context, state);
if (use_flags && (page != NULL))
flags = _gtk_notebook_get_tab_flags (notebook, page);
gtk_style_context_add_region (context, GTK_STYLE_REGION_TAB, flags);
switch (tab_pos)
{
case GTK_POS_TOP:
gtk_style_context_add_class (context, GTK_STYLE_CLASS_TOP);
break;
case GTK_POS_BOTTOM:
gtk_style_context_add_class (context, GTK_STYLE_CLASS_BOTTOM);
break;
case GTK_POS_LEFT:
gtk_style_context_add_class (context, GTK_STYLE_CLASS_LEFT);
break;
case GTK_POS_RIGHT:
gtk_style_context_add_class (context, GTK_STYLE_CLASS_RIGHT);
break;
default:
break;
}
return state;
}
static void
gtk_notebook_get_preferred_tabs_size (GtkNotebook *notebook,
GtkRequisition *requisition)
@ -2013,14 +2055,8 @@ gtk_notebook_get_preferred_tabs_size (GtkNotebook *notebook,
&child_requisition, NULL);
/* Get border/padding for tab */
if (page == priv->cur_page)
state = GTK_STATE_FLAG_ACTIVE;
else
state = GTK_STATE_FLAG_NORMAL;
gtk_style_context_save (context);
gtk_style_context_add_region (context, GTK_STYLE_REGION_TAB,
_gtk_notebook_get_tab_flags (notebook, page));
state = notebook_tab_prepare_style_context (notebook, page, context, TRUE);
gtk_style_context_get_padding (context, state, &tab_padding);
gtk_style_context_restore (context);
@ -2579,7 +2615,7 @@ gtk_notebook_draw (GtkWidget *widget,
gtk_notebook_draw_tab (notebook,
priv->cur_page,
cr, 0);
cr, FALSE);
cairo_restore (cr);
@ -3511,7 +3547,7 @@ on_drag_icon_draw (GtkWidget *widget,
context = gtk_widget_get_style_context (widget);
gtk_style_context_save (context);
gtk_style_context_add_region (context, GTK_STYLE_REGION_TAB, 0);
notebook_tab_prepare_style_context (GTK_NOTEBOOK (notebook), NULL, context, FALSE);
gtk_widget_get_preferred_size (widget,
&requisition, NULL);
@ -5165,8 +5201,7 @@ gtk_notebook_paint (GtkWidget *widget,
!gtk_widget_get_mapped (page->tab_label))
continue;
tab_flags = _gtk_notebook_get_tab_flags (notebook, page);
gtk_notebook_draw_tab (notebook, page, cr, tab_flags);
gtk_notebook_draw_tab (notebook, page, cr, TRUE);
}
if (children != NULL)
@ -5190,9 +5225,7 @@ gtk_notebook_paint (GtkWidget *widget,
for (children = other_order; children; children = children->next)
{
page = children->data;
tab_flags = _gtk_notebook_get_tab_flags (notebook, page);
gtk_notebook_draw_tab (notebook, page, cr, tab_flags);
gtk_notebook_draw_tab (notebook, page, cr, TRUE);
}
g_list_free (other_order);
@ -5211,22 +5244,19 @@ gtk_notebook_paint (GtkWidget *widget,
}
if (priv->operation != DRAG_OPERATION_REORDER)
{
tab_flags = _gtk_notebook_get_tab_flags (notebook, priv->cur_page);
gtk_notebook_draw_tab (notebook, priv->cur_page, cr, tab_flags);
}
gtk_notebook_draw_tab (notebook, priv->cur_page, cr, TRUE);
}
static void
gtk_notebook_draw_tab (GtkNotebook *notebook,
GtkNotebookPage *page,
cairo_t *cr,
GtkRegionFlags flags)
gboolean use_flags)
{
GtkNotebookPrivate *priv;
GtkStateFlags state = 0;
GtkWidget *widget;
GtkStyleContext *context;
GtkStateFlags state = 0;
if (!NOTEBOOK_IS_TAB_LABEL_PARENT (notebook, page) ||
!gtk_widget_get_mapped (page->tab_label) ||
@ -5236,13 +5266,9 @@ gtk_notebook_draw_tab (GtkNotebook *notebook,
widget = GTK_WIDGET (notebook);
priv = notebook->priv;
if (priv->cur_page == page)
state = GTK_STATE_FLAG_ACTIVE;
context = gtk_widget_get_style_context (widget);
gtk_style_context_save (context);
gtk_style_context_add_region (context, GTK_STYLE_REGION_TAB, flags);
gtk_style_context_set_state (context, state);
state = notebook_tab_prepare_style_context (notebook, page, context, use_flags);
gtk_render_extension (context, cr,
page->allocation.x,
@ -5980,8 +6006,7 @@ gtk_notebook_calculate_tabs_allocation (GtkNotebook *notebook,
* see gtk_notebook_page_allocate().
*/
gtk_style_context_save (context);
gtk_style_context_add_region (context, GTK_STYLE_REGION_TAB,
_gtk_notebook_get_tab_flags (notebook, page));
notebook_tab_prepare_style_context (notebook, page, context, TRUE);
gtk_style_context_get_padding (context, GTK_STATE_FLAG_ACTIVE, &active_padding);
gtk_style_context_get_padding (context, GTK_STATE_FLAG_NORMAL, &normal_padding);
@ -6177,16 +6202,10 @@ gtk_notebook_page_allocate (GtkNotebook *notebook,
return was_visible;
}
if (page == priv->cur_page)
state = GTK_STATE_FLAG_ACTIVE;
else
state = GTK_STATE_FLAG_NORMAL;
context = gtk_widget_get_style_context (widget);
gtk_style_context_save (context);
gtk_style_context_add_region (context, GTK_STYLE_REGION_TAB,
_gtk_notebook_get_tab_flags (notebook, page));
state = notebook_tab_prepare_style_context (notebook, page, context, TRUE);
gtk_style_context_get_padding (context, state, &tab_padding);