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firefox/mozilla-1073117-no-gap-tab.patch
Martin Stransky ff3c231d81 Gtk3 - fixed tabs rendering
2015-01-19 14:46:35 +01:00

464 lines
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diff --git a/widget/gtk/gtk3drawing.c b/widget/gtk/gtk3drawing.c
--- a/widget/gtk/gtk3drawing.c
+++ b/widget/gtk/gtk3drawing.c
@@ -2098,18 +2098,23 @@ moz_gtk_progress_chunk_paint(cairo_t *cr
return MOZ_GTK_SUCCESS;
}
gint
moz_gtk_get_tab_thickness(void)
{
GtkBorder border;
GtkStyleContext * style;
+ gboolean has_tab_gap;
ensure_tab_widget();
+ gtk_widget_style_get(gTabWidget, "has-tab-gap", &has_tab_gap, NULL);
+ if (!has_tab_gap)
+ return 0; /* don't use ythickness for tabs without a gap */
+
style = gtk_widget_get_style_context(gTabWidget);
gtk_style_context_add_class(style, GTK_STYLE_CLASS_NOTEBOOK);
gtk_style_context_get_border(style, 0, &border);
if (border.top < 2)
return 2; /* some themes don't set ythickness correctly */
return border.top;
@@ -2140,172 +2145,196 @@ moz_gtk_tab_paint(cairo_t *cr, GdkRectan
* When it is selected, we overwrite the adjacent border of the tabpanel
* touching the tab with a pierced border (called "the gap") to make the
* tab appear physically attached to the tabpanel; see details below. */
GtkStyleContext* style;
GdkRectangle tabRect;
GdkRectangle focusRect;
GdkRectangle backRect;
+ gboolean has_tab_gap;
int initial_gap = 0;
ensure_tab_widget();
gtk_widget_set_direction(gTabWidget, direction);
style = gtk_widget_get_style_context(gTabWidget);
gtk_style_context_save(style);
moz_gtk_tab_prepare_style_context(style, flags);
- tabRect = *rect;
-
- if (flags & MOZ_GTK_TAB_FIRST) {
- gtk_widget_style_get (gTabWidget, "initial-gap", &initial_gap, NULL);
- tabRect.width -= initial_gap;
-
- if (direction != GTK_TEXT_DIR_RTL) {
- tabRect.x += initial_gap;
+ gtk_widget_style_get(gTabWidget, "has-tab-gap", &has_tab_gap, NULL);
+ if (has_tab_gap) {
+ tabRect = *rect;
+ if (flags & MOZ_GTK_TAB_FIRST) {
+ gtk_widget_style_get (gTabWidget, "initial-gap", &initial_gap, NULL);
+ tabRect.width -= initial_gap;
+
+ if (direction != GTK_TEXT_DIR_RTL) {
+ tabRect.x += initial_gap;
+ }
}
- }
-
- focusRect = backRect = tabRect;
-
- if ((flags & MOZ_GTK_TAB_SELECTED) == 0) {
- /* Only draw the tab */
- gtk_render_extension(style, cr,
- tabRect.x, tabRect.y, tabRect.width, tabRect.height,
- (flags & MOZ_GTK_TAB_BOTTOM) ?
- GTK_POS_TOP : GTK_POS_BOTTOM );
+
+ focusRect = backRect = tabRect;
+
+ if ((flags & MOZ_GTK_TAB_SELECTED) == 0) {
+ /* Only draw the tab */
+ gtk_render_extension(style, cr,
+ tabRect.x, tabRect.y, tabRect.width, tabRect.height,
+ (flags & MOZ_GTK_TAB_BOTTOM) ?
+ GTK_POS_TOP : GTK_POS_BOTTOM );
+ } else {
+ /* Draw the tab and the gap
+ * We want the gap to be positioned exactly on the tabpanel top
+ * border; since tabbox.css may set a negative margin so that the tab
+ * frame rect already overlaps the tabpanel frame rect, we need to take
+ * that into account when drawing. To that effect, nsNativeThemeGTK
+ * passes us this negative margin (bmargin in the graphic below) in the
+ * lowest bits of |flags|. We use it to set gap_voffset, the distance
+ * between the top of the gap and the bottom of the tab (resp. the
+ * bottom of the gap and the top of the tab when we draw a bottom tab),
+ * while ensuring that the gap always touches the border of the tab,
+ * i.e. 0 <= gap_voffset <= gap_height, to avoid surprinsing results
+ * with big negative or positive margins.
+ * Here is a graphical explanation in the case of top tabs:
+ * ___________________________
+ * / \
+ * | T A B |
+ * ----------|. . . . . . . . . . . . . . .|----- top of tabpanel
+ * : ^ bmargin : ^
+ * : | (-negative margin, : |
+ * bottom : v passed in flags) : | gap_height
+ * of -> :.............................: | (the size of the
+ * the tab . part of the gap . | tabpanel top border)
+ * . outside of the tab . v
+ * ----------------------------------------------
+ *
+ * To draw the gap, we use gtk_paint_box_gap(), see comment in
+ * moz_gtk_tabpanels_paint(). This box_gap is made 3 * gap_height tall,
+ * which should suffice to ensure that the only visible border is the
+ * pierced one. If the tab is in the middle, we make the box_gap begin
+ * a bit to the left of the tab and end a bit to the right, adjusting
+ * the gap position so it still is under the tab, because we want the
+ * rendering of a gap in the middle of a tabpanel. This is the role of
+ * the gints gap_{l,r}_offset. On the contrary, if the tab is the
+ * first, we align the start border of the box_gap with the start
+ * border of the tab (left if LTR, right if RTL), by setting the
+ * appropriate offset to 0.*/
+ gint gap_loffset, gap_roffset, gap_voffset, gap_height;
+
+ /* Get height needed by the gap */
+ gap_height = moz_gtk_get_tab_thickness();
+
+ /* Extract gap_voffset from the first bits of flags */
+ gap_voffset = flags & MOZ_GTK_TAB_MARGIN_MASK;
+ if (gap_voffset > gap_height)
+ gap_voffset = gap_height;
+
+ /* Set gap_{l,r}_offset to appropriate values */
+ gap_loffset = gap_roffset = 20; /* should be enough */
+ if (flags & MOZ_GTK_TAB_FIRST) {
+ if (direction == GTK_TEXT_DIR_RTL)
+ gap_roffset = initial_gap;
+ else
+ gap_loffset = initial_gap;
+ }
+
+ if (flags & MOZ_GTK_TAB_BOTTOM) {
+ /* Draw the tab on bottom */
+ focusRect.y += gap_voffset;
+ focusRect.height -= gap_voffset;
+
+ gtk_render_extension(style, cr,
+ tabRect.x, tabRect.y + gap_voffset, tabRect.width,
+ tabRect.height - gap_voffset, GTK_POS_TOP);
+
+ gtk_style_context_remove_region(style, GTK_STYLE_REGION_TAB);
+
+ backRect.y += (gap_voffset - gap_height);
+ backRect.height = gap_height;
+
+ /* Draw the gap; erase with background color before painting in
+ * case theme does not */
+ gtk_render_background(style, cr, backRect.x, backRect.y,
+ backRect.width, backRect.height);
+ cairo_save(cr);
+ cairo_rectangle(cr, backRect.x, backRect.y, backRect.width, backRect.height);
+ cairo_clip(cr);
+
+ gtk_render_frame_gap(style, cr,
+ tabRect.x - gap_loffset,
+ tabRect.y + gap_voffset - 3 * gap_height,
+ tabRect.width + gap_loffset + gap_roffset,
+ 3 * gap_height, GTK_POS_BOTTOM,
+ gap_loffset, gap_loffset + tabRect.width);
+ cairo_restore(cr);
+ } else {
+ /* Draw the tab on top */
+ focusRect.height -= gap_voffset;
+ gtk_render_extension(style, cr,
+ tabRect.x, tabRect.y, tabRect.width,
+ tabRect.height - gap_voffset, GTK_POS_BOTTOM);
+
+ gtk_style_context_remove_region(style, GTK_STYLE_REGION_TAB);
+
+ backRect.y += (tabRect.height - gap_voffset);
+ backRect.height = gap_height;
+
+ /* Draw the gap; erase with background color before painting in
+ * case theme does not */
+ gtk_render_background(style, cr, backRect.x, backRect.y,
+ backRect.width, backRect.height);
+
+ cairo_save(cr);
+ cairo_rectangle(cr, backRect.x, backRect.y, backRect.width, backRect.height);
+ cairo_clip(cr);
+
+ gtk_render_frame_gap(style, cr,
+ tabRect.x - gap_loffset,
+ tabRect.y + tabRect.height - gap_voffset,
+ tabRect.width + gap_loffset + gap_roffset,
+ 3 * gap_height, GTK_POS_TOP,
+ gap_loffset, gap_loffset + tabRect.width);
+ cairo_restore(cr);
+ }
+
+ if (state->focused) {
+ /* Paint the focus ring */
+ GtkBorder border;
+ gtk_style_context_get_border(style, GetStateFlagsFromGtkWidgetState(state), &border);
+
+ focusRect.x += border.left;
+ focusRect.width -= (border.left + border.right);
+ focusRect.y += border.top;
+ focusRect.height -= (border.top + border.bottom);
+
+ gtk_render_focus(style, cr,
+ focusRect.x, focusRect.y, focusRect.width, focusRect.height);
+ }
+ }
} else {
- /* Draw the tab and the gap
- * We want the gap to be positioned exactly on the tabpanel top
- * border; since tabbox.css may set a negative margin so that the tab
- * frame rect already overlaps the tabpanel frame rect, we need to take
- * that into account when drawing. To that effect, nsNativeThemeGTK
- * passes us this negative margin (bmargin in the graphic below) in the
- * lowest bits of |flags|. We use it to set gap_voffset, the distance
- * between the top of the gap and the bottom of the tab (resp. the
- * bottom of the gap and the top of the tab when we draw a bottom tab),
- * while ensuring that the gap always touches the border of the tab,
- * i.e. 0 <= gap_voffset <= gap_height, to avoid surprinsing results
- * with big negative or positive margins.
- * Here is a graphical explanation in the case of top tabs:
- * ___________________________
- * / \
- * | T A B |
- * ----------|. . . . . . . . . . . . . . .|----- top of tabpanel
- * : ^ bmargin : ^
- * : | (-negative margin, : |
- * bottom : v passed in flags) : | gap_height
- * of -> :.............................: | (the size of the
- * the tab . part of the gap . | tabpanel top border)
- * . outside of the tab . v
- * ----------------------------------------------
- *
- * To draw the gap, we use gtk_paint_box_gap(), see comment in
- * moz_gtk_tabpanels_paint(). This box_gap is made 3 * gap_height tall,
- * which should suffice to ensure that the only visible border is the
- * pierced one. If the tab is in the middle, we make the box_gap begin
- * a bit to the left of the tab and end a bit to the right, adjusting
- * the gap position so it still is under the tab, because we want the
- * rendering of a gap in the middle of a tabpanel. This is the role of
- * the gints gap_{l,r}_offset. On the contrary, if the tab is the
- * first, we align the start border of the box_gap with the start
- * border of the tab (left if LTR, right if RTL), by setting the
- * appropriate offset to 0.*/
- gint gap_loffset, gap_roffset, gap_voffset, gap_height;
-
- /* Get height needed by the gap */
- gap_height = moz_gtk_get_tab_thickness();
-
- /* Extract gap_voffset from the first bits of flags */
- gap_voffset = flags & MOZ_GTK_TAB_MARGIN_MASK;
- if (gap_voffset > gap_height)
- gap_voffset = gap_height;
-
- /* Set gap_{l,r}_offset to appropriate values */
- gap_loffset = gap_roffset = 20; /* should be enough */
- if (flags & MOZ_GTK_TAB_FIRST) {
- if (direction == GTK_TEXT_DIR_RTL)
- gap_roffset = initial_gap;
- else
- gap_loffset = initial_gap;
+ gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height);
+ gtk_render_frame(style, cr, rect->x, rect->y,rect->width, rect->height);
+
+ if (state->focused) {
+ /* Paint the focus ring */
+ GtkBorder padding;
+
+ GtkStateFlags state_flags = GetStateFlagsFromGtkWidgetState(state);
+
+ focusRect = *rect;
+ gtk_style_context_get_padding(style, state_flags, &padding);
+
+ focusRect.x += padding.left;
+ focusRect.width -= (padding.left + padding.right);
+ focusRect.y += padding.top;
+ focusRect.height -= (padding.top + padding.bottom);
+
+ gtk_render_focus(style, cr,
+ focusRect.x, focusRect.y, focusRect.width, focusRect.height);
}
-
- if (flags & MOZ_GTK_TAB_BOTTOM) {
- /* Draw the tab on bottom */
- focusRect.y += gap_voffset;
- focusRect.height -= gap_voffset;
-
- gtk_render_extension(style, cr,
- tabRect.x, tabRect.y + gap_voffset, tabRect.width,
- tabRect.height - gap_voffset, GTK_POS_TOP);
-
- gtk_style_context_remove_region(style, GTK_STYLE_REGION_TAB);
-
- backRect.y += (gap_voffset - gap_height);
- backRect.height = gap_height;
-
- /* Draw the gap; erase with background color before painting in
- * case theme does not */
- gtk_render_background(style, cr, backRect.x, backRect.y,
- backRect.width, backRect.height);
- cairo_save(cr);
- cairo_rectangle(cr, backRect.x, backRect.y, backRect.width, backRect.height);
- cairo_clip(cr);
-
- gtk_render_frame_gap(style, cr,
- tabRect.x - gap_loffset,
- tabRect.y + gap_voffset - 3 * gap_height,
- tabRect.width + gap_loffset + gap_roffset,
- 3 * gap_height, GTK_POS_BOTTOM,
- gap_loffset, gap_loffset + tabRect.width);
- cairo_restore(cr);
- } else {
- /* Draw the tab on top */
- focusRect.height -= gap_voffset;
- gtk_render_extension(style, cr,
- tabRect.x, tabRect.y, tabRect.width,
- tabRect.height - gap_voffset, GTK_POS_BOTTOM);
-
- gtk_style_context_remove_region(style, GTK_STYLE_REGION_TAB);
-
- backRect.y += (tabRect.height - gap_voffset);
- backRect.height = gap_height;
-
- /* Draw the gap; erase with background color before painting in
- * case theme does not */
- gtk_render_background(style, cr, backRect.x, backRect.y,
- backRect.width, backRect.height);
-
- cairo_save(cr);
- cairo_rectangle(cr, backRect.x, backRect.y, backRect.width, backRect.height);
- cairo_clip(cr);
-
- gtk_render_frame_gap(style, cr,
- tabRect.x - gap_loffset,
- tabRect.y + tabRect.height - gap_voffset,
- tabRect.width + gap_loffset + gap_roffset,
- 3 * gap_height, GTK_POS_TOP,
- gap_loffset, gap_loffset + tabRect.width);
- cairo_restore(cr);
- }
- }
-
- if (state->focused) {
- /* Paint the focus ring */
- GtkBorder border;
- gtk_style_context_get_border(style, GetStateFlagsFromGtkWidgetState(state), &border);
-
- focusRect.x += border.left;
- focusRect.width -= (border.left + border.right);
- focusRect.y += border.top;
- focusRect.height -= (border.top + border.bottom);
-
- gtk_render_focus(style, cr,
- focusRect.x, focusRect.y, focusRect.width, focusRect.height);
}
gtk_style_context_restore(style);
return MOZ_GTK_SUCCESS;
}
/* tab area*/
@@ -2963,48 +2992,53 @@ moz_gtk_get_widget_border(GtkThemeWidget
}
gint
moz_gtk_get_tab_border(gint* left, gint* top, gint* right, gint* bottom,
GtkTextDirection direction, GtkTabFlags flags)
{
GtkStyleContext* style;
int tab_curvature;
+ gboolean has_tab_gap;
ensure_tab_widget();
style = gtk_widget_get_style_context(gTabWidget);
gtk_style_context_save(style);
moz_gtk_tab_prepare_style_context(style, flags);
// TODO add_style_border() should be replaced
// with focus-line-width and focus-padding
// see Bug 877605
*left = *top = *right = *bottom = 0;
- moz_gtk_add_style_border(style, left, top, right, bottom);
moz_gtk_add_style_padding(style, left, top, right, bottom);
- gtk_widget_style_get (gTabWidget, "tab-curvature", &tab_curvature, NULL);
- *left += tab_curvature;
- *right += tab_curvature;
-
- if (flags & MOZ_GTK_TAB_FIRST) {
- int initial_gap;
- gtk_widget_style_get (gTabWidget, "initial-gap", &initial_gap, NULL);
- if (direction == GTK_TEXT_DIR_RTL)
- *right += initial_gap;
- else
- *left += initial_gap;
- }
-
- // Top tabs have no bottom border, bottom tabs have no top border
- if (flags & MOZ_GTK_TAB_BOTTOM) {
- *top = 0;
- } else {
- *bottom = 0;
+ gtk_widget_style_get(gTabWidget, "has-tab-gap", &has_tab_gap, NULL);
+ if (has_tab_gap) {
+ moz_gtk_add_style_border(style, left, top, right, bottom);
+
+ gtk_widget_style_get (gTabWidget, "tab-curvature", &tab_curvature, NULL);
+ *left += tab_curvature;
+ *right += tab_curvature;
+
+ if (flags & MOZ_GTK_TAB_FIRST) {
+ int initial_gap;
+ gtk_widget_style_get (gTabWidget, "initial-gap", &initial_gap, NULL);
+ if (direction == GTK_TEXT_DIR_RTL)
+ *right += initial_gap;
+ else
+ *left += initial_gap;
+ }
+
+ // Top tabs have no bottom border, bottom tabs have no top border
+ if (flags & MOZ_GTK_TAB_BOTTOM) {
+ *top = 0;
+ } else {
+ *bottom = 0;
+ }
}
gtk_style_context_restore(style);
return MOZ_GTK_SUCCESS;
}
gint
diff --git a/widget/gtk/nsNativeThemeGTK.cpp b/widget/gtk/nsNativeThemeGTK.cpp
--- a/widget/gtk/nsNativeThemeGTK.cpp
+++ b/widget/gtk/nsNativeThemeGTK.cpp
@@ -756,16 +756,18 @@ nsNativeThemeGTK::GetExtraSizeForWidget(
return true;
}
case NS_THEME_TAB :
{
if (!IsSelectedTab(aFrame))
return false;
gint gap_height = moz_gtk_get_tab_thickness();
+ if (!gap_height)
+ return false;
int32_t extra = gap_height - GetTabMarginPixels(aFrame);
if (extra <= 0)
return false;
if (IsBottomTab(aFrame)) {
aExtra->top = extra;
} else {
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