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firefox/mozilla-1399611.patch

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Added patch for mozbz#1399611 - CSD emulation
2017-10-06 19:00:47 +00:00
diff --git a/browser/app/profile/firefox.js b/browser/app/profile/firefox.js
index de61ac442b74..be15873ee2c4 100644
--- a/browser/app/profile/firefox.js
+++ b/browser/app/profile/firefox.js
@@ -455,11 +455,7 @@ pref("browser.tabs.loadDivertedInBackground", false);
pref("browser.tabs.loadBookmarksInBackground", false);
pref("browser.tabs.loadBookmarksInTabs", false);
pref("browser.tabs.tabClipWidth", 140);
-#ifdef UNIX_BUT_NOT_MAC
-pref("browser.tabs.drawInTitlebar", false);
-#else
pref("browser.tabs.drawInTitlebar", true);
-#endif
// Offer additional drag space to the user. The drag space
// will only be shown if browser.tabs.drawInTitlebar is true.
diff --git a/browser/base/content/browser-tabsintitlebar.js b/browser/base/content/browser-tabsintitlebar.js
index d9509029bbf1..b56f81c0c138 100644
--- a/browser/base/content/browser-tabsintitlebar.js
+++ b/browser/base/content/browser-tabsintitlebar.js
@@ -14,6 +14,11 @@ var TabsInTitlebar = {
this._readPref();
Services.prefs.addObserver(this._prefName, this);
+ // Always disable on unsupported GTK versions.
+ if (AppConstants.MOZ_WIDGET_TOOLKIT == "gtk3") {
+ this.allowedBy("gtk", window.matchMedia("(-moz-gtk-csd-available)"));
+ }
+
// We need to update the appearance of the titlebar when the menu changes
// from the active to the inactive state. We can't, however, rely on
// DOMMenuBarInactive, because the menu fires this event and then removes
diff --git a/browser/base/moz.build b/browser/base/moz.build
index a2bd4bcb4eca..f14553e4ba7f 100644
--- a/browser/base/moz.build
+++ b/browser/base/moz.build
@@ -56,7 +56,7 @@ DEFINES['APP_LICENSE_BLOCK'] = '%s/content/overrides/app-license.html' % SRCDIR
if CONFIG['MOZ_WIDGET_TOOLKIT'] in ('windows', 'gtk2', 'gtk3', 'cocoa'):
DEFINES['CONTEXT_COPY_IMAGE_CONTENTS'] = 1
-if CONFIG['MOZ_WIDGET_TOOLKIT'] in ('windows', 'cocoa'):
+if CONFIG['MOZ_WIDGET_TOOLKIT'] in ('windows', 'cocoa', 'gtk3'):
DEFINES['CAN_DRAW_IN_TITLEBAR'] = 1
if CONFIG['MOZ_WIDGET_TOOLKIT'] in ('windows', 'gtk2', 'gtk3'):
diff --git a/browser/themes/linux/browser.css b/browser/themes/linux/browser.css
index 65a3f0cca7b1..7bb448da620b 100644
--- a/browser/themes/linux/browser.css
+++ b/browser/themes/linux/browser.css
@@ -557,8 +557,12 @@ html|span.ac-emphasize-text-url {
color: -moz-menubartext;
}
+/* Support dragging the window using the toolbar when drawing our own
+ * decorations, or where the GTK theme allows. */
#toolbar-menubar:not([autohide="true"]):not(:-moz-lwtheme):-moz-system-metric(menubar-drag),
-#TabsToolbar:not(:-moz-lwtheme):-moz-system-metric(menubar-drag) {
+#TabsToolbar:not(:-moz-lwtheme):-moz-system-metric(menubar-drag),
+#main-window[tabsintitlebar] #toolbar-menubar:not([autohide="true"]),
+#main-window[tabsintitlebar] #TabsToolbar {
-moz-binding: url("chrome://browser/content/customizableui/toolbar.xml#toolbar-drag");
}
@@ -715,3 +719,85 @@ html|span.ac-emphasize-text-url {
.restore-tabs-button:hover:active:not([disabled="true"]) {
padding: 3px;
}
+
+@media not all and (-moz-gtk-csd-available) {
+ #main-window > #titlebar {
+ /* We need to hide the titlebar explicitly on versions of GTK without CSD. */
+ display: none;
+ }
+}
+
+/* Titlebar/CSD */
+@media (-moz-gtk-csd-available) {
+ #main-window[tabsintitlebar][sizemode="normal"] > #titlebar {
+ min-height: calc(var(--tab-min-height) + 12px);
+ }
+
+ #main-window[tabsintitlebar] #titlebar:-moz-lwtheme {
+ visibility: hidden;
+ }
+ #main-window[tabsintitlebar] #titlebar-content:-moz-lwtheme {
+ visibility: visible;
+ }
+
+ #main-window[tabsintitlebar][sizemode="normal"] > #titlebar {
+ -moz-appearance: -moz-window-titlebar;
+ }
+ #main-window[tabsintitlebar][sizemode="maximized"] > #titlebar {
+ -moz-appearance: -moz-window-titlebar-maximized;
+ }
+
+ /* The button box must appear on top of the navigator-toolbox in order for
+ * click and hover mouse events to work properly for the button in the restored
+ * window state. Otherwise, elements in the navigator-toolbox, like the menubar,
+ * can swallow those events.
+ */
+ #titlebar-buttonbox {
+ z-index: 1;
+ }
+
+ /* titlebar command buttons */
+ /* Use full scale icons here as the Gtk+ does. */
+ @media (-moz-gtk-csd-minimize-button) {
+ #titlebar-min {
+ list-style-image: url("moz-icon://stock/window-minimize-symbolic");
+ -moz-appearance: -moz-window-button-minimize;
+ }
+ }
+ @media not all and (-moz-gtk-csd-minimize-button) {
+ #titlebar-min {
+ display: none;
+ }
+ }
+
+ @media (-moz-gtk-csd-maximize-button) {
+ #titlebar-max {
+ list-style-image: url("moz-icon://stock/window-maximize-symbolic");
+ -moz-appearance: -moz-window-button-maximize;
+ }
+ #main-window[sizemode="maximized"] #titlebar-max {
+ list-style-image: url("moz-icon://stock/window-restore-symbolic");
+ -moz-appearance: -moz-window-button-restore;
+ }
+ }
+ @media not all and (-moz-gtk-csd-maximize-button) {
+ #titlebar-max {
+ display: none;
+ }
+ #main-window[sizemode="maximized"] #titlebar-max {
+ display: none;
+ }
+ }
+
+ @media (-moz-gtk-csd-close-button) {
+ #titlebar-close {
+ list-style-image: url("moz-icon://stock/window-close-symbolic");
+ -moz-appearance: -moz-window-button-close;
+ }
+ }
+ @media not all and (-moz-gtk-csd-close-button) {
+ #titlebar-close {
+ display: none;
+ }
+ }
+}
diff --git a/dom/base/nsGkAtomList.h b/dom/base/nsGkAtomList.h
index 5d5ec3d405c9..bb2f652c41e0 100644
--- a/dom/base/nsGkAtomList.h
+++ b/dom/base/nsGkAtomList.h
@@ -2270,6 +2270,10 @@ GK_ATOM(touch_enabled, "touch-enabled")
GK_ATOM(menubar_drag, "menubar-drag")
GK_ATOM(swipe_animation_enabled, "swipe-animation-enabled")
GK_ATOM(physical_home_button, "physical-home-button")
+GK_ATOM(gtk_csd_available, "gtk-csd-available")
+GK_ATOM(gtk_csd_minimize_button, "gtk-csd-minimize-button")
+GK_ATOM(gtk_csd_maximize_button, "gtk-csd-maximize-button")
+GK_ATOM(gtk_csd_close_button, "gtk-csd-close-button")
// windows theme selector metrics
GK_ATOM(windows_classic, "windows-classic")
@@ -2306,6 +2310,10 @@ GK_ATOM(_moz_device_orientation, "-moz-device-orientation")
GK_ATOM(_moz_is_resource_document, "-moz-is-resource-document")
GK_ATOM(_moz_swipe_animation_enabled, "-moz-swipe-animation-enabled")
GK_ATOM(_moz_physical_home_button, "-moz-physical-home-button")
+GK_ATOM(_moz_gtk_csd_available, "-moz-gtk-csd-available")
+GK_ATOM(_moz_gtk_csd_minimize_button, "-moz-gtk-csd-minimize-button")
+GK_ATOM(_moz_gtk_csd_maximize_button, "-moz-gtk-csd-maximize-button")
+GK_ATOM(_moz_gtk_csd_close_button, "-moz-gtk-csd-close-button")
// application commands
GK_ATOM(Back, "Back")
diff --git a/gfx/src/nsThemeConstants.h b/gfx/src/nsThemeConstants.h
index d0ced405095d..1cd2361a0026 100644
--- a/gfx/src/nsThemeConstants.h
+++ b/gfx/src/nsThemeConstants.h
@@ -299,6 +299,7 @@ enum ThemeWidgetType : uint8_t {
NS_THEME_MAC_SOURCE_LIST,
NS_THEME_MAC_SOURCE_LIST_SELECTION,
NS_THEME_MAC_ACTIVE_SOURCE_LIST_SELECTION,
+ NS_THEME_GTK_WINDOW_DECORATION,
ThemeWidgetType_COUNT
};
diff --git a/layout/style/nsCSSRuleProcessor.cpp b/layout/style/nsCSSRuleProcessor.cpp
index cbfb4d0f60aa..263372ca868e 100644
--- a/layout/style/nsCSSRuleProcessor.cpp
+++ b/layout/style/nsCSSRuleProcessor.cpp
@@ -1180,6 +1180,30 @@ nsCSSRuleProcessor::InitSystemMetrics()
sSystemMetrics->AppendElement(nsGkAtoms::physical_home_button);
}
+ rv = LookAndFeel::GetInt(LookAndFeel::eIntID_GTKCSDAvailable,
+ &metricResult);
+ if (NS_SUCCEEDED(rv) && metricResult) {
+ sSystemMetrics->AppendElement(nsGkAtoms::gtk_csd_available);
+ }
+
+ rv = LookAndFeel::GetInt(LookAndFeel::eIntID_GTKCSDMinimizeButton,
+ &metricResult);
+ if (NS_SUCCEEDED(rv) && metricResult) {
+ sSystemMetrics->AppendElement(nsGkAtoms::gtk_csd_minimize_button);
+ }
+
+ rv = LookAndFeel::GetInt(LookAndFeel::eIntID_GTKCSDMaximizeButton,
+ &metricResult);
+ if (NS_SUCCEEDED(rv) && metricResult) {
+ sSystemMetrics->AppendElement(nsGkAtoms::gtk_csd_maximize_button);
+ }
+
+ rv = LookAndFeel::GetInt(LookAndFeel::eIntID_GTKCSDCloseButton,
+ &metricResult);
+ if (NS_SUCCEEDED(rv) && metricResult) {
+ sSystemMetrics->AppendElement(nsGkAtoms::gtk_csd_close_button);
+ }
+
#ifdef XP_WIN
if (NS_SUCCEEDED(
LookAndFeel::GetInt(LookAndFeel::eIntID_WindowsThemeIdentifier,
diff --git a/layout/style/nsMediaFeatures.cpp b/layout/style/nsMediaFeatures.cpp
index 7cf6a08e46c1..bf955d759e8b 100644
--- a/layout/style/nsMediaFeatures.cpp
+++ b/layout/style/nsMediaFeatures.cpp
@@ -788,6 +788,42 @@ nsMediaFeatures::features[] = {
GetSystemMetric
},
+ {
+ &nsGkAtoms::_moz_gtk_csd_available,
+ nsMediaFeature::eMinMaxNotAllowed,
+ nsMediaFeature::eBoolInteger,
+ nsMediaFeature::eNoRequirements,
+ { &nsGkAtoms::gtk_csd_available },
+ GetSystemMetric
+ },
+
+ {
+ &nsGkAtoms::_moz_gtk_csd_minimize_button,
+ nsMediaFeature::eMinMaxNotAllowed,
+ nsMediaFeature::eBoolInteger,
+ nsMediaFeature::eNoRequirements,
+ { &nsGkAtoms::gtk_csd_minimize_button },
+ GetSystemMetric
+ },
+
+ {
+ &nsGkAtoms::_moz_gtk_csd_maximize_button,
+ nsMediaFeature::eMinMaxNotAllowed,
+ nsMediaFeature::eBoolInteger,
+ nsMediaFeature::eNoRequirements,
+ { &nsGkAtoms::gtk_csd_maximize_button },
+ GetSystemMetric
+ },
+
+ {
+ &nsGkAtoms::_moz_gtk_csd_close_button,
+ nsMediaFeature::eMinMaxNotAllowed,
+ nsMediaFeature::eBoolInteger,
+ nsMediaFeature::eNoRequirements,
+ { &nsGkAtoms::gtk_csd_close_button },
+ GetSystemMetric
+ },
+
// Internal -moz-is-glyph media feature: applies only inside SVG glyphs.
// Internal because it is really only useful in the user agent anyway
// and therefore not worth standardizing.
diff --git a/modules/libpref/init/all.js b/modules/libpref/init/all.js
index 0b77f1759021..b8dc9aeebfd8 100644
--- a/modules/libpref/init/all.js
+++ b/modules/libpref/init/all.js
@@ -4912,6 +4912,7 @@ pref("gfx.apitrace.enabled",false);
pref("gfx.xrender.enabled",false);
pref("widget.chrome.allow-gtk-dark-theme", false);
pref("widget.content.allow-gtk-dark-theme", false);
+pref("widget.allow-client-side-decoration", false);
#endif
#endif
diff --git a/toolkit/modules/moz.build b/toolkit/modules/moz.build
index 8b5dc9e25d7e..14fb0fe87e9d 100644
--- a/toolkit/modules/moz.build
+++ b/toolkit/modules/moz.build
@@ -259,7 +259,7 @@ EXTRA_JS_MODULES.sessionstore += [
]
DEFINES['INSTALL_COMPACT_THEMES'] = 1
-if CONFIG['MOZ_WIDGET_TOOLKIT'] in ('windows', 'cocoa'):
+if CONFIG['MOZ_WIDGET_TOOLKIT'] in ('windows', 'cocoa', 'gtk3'):
DEFINES['CAN_DRAW_IN_TITLEBAR'] = 1
if CONFIG['MOZ_WIDGET_TOOLKIT'] in ('windows', 'gtk2', 'gtk3'):
diff --git a/widget/LookAndFeel.h b/widget/LookAndFeel.h
index ff5da8017621..d31b411a9b1a 100644
--- a/widget/LookAndFeel.h
+++ b/widget/LookAndFeel.h
@@ -405,6 +405,30 @@ public:
eIntID_PhysicalHomeButton,
/*
+ * A boolean value indicating whether client-side decorations are
+ * supported by the user's GTK version.
+ */
+ eIntID_GTKCSDAvailable,
+
+ /*
+ * A boolean value indicating whether client-side decorations should
+ * contain a minimize button.
+ */
+ eIntID_GTKCSDMinimizeButton,
+
+ /*
+ * A boolean value indicating whether client-side decorations should
+ * contain a maximize button.
+ */
+ eIntID_GTKCSDMaximizeButton,
+
+ /*
+ * A boolean value indicating whether client-side decorations should
+ * contain a close button.
+ */
+ eIntID_GTKCSDCloseButton,
+
+ /*
* Controls whether overlay scrollbars display when the user moves
* the mouse in a scrollable frame.
*/
diff --git a/widget/gtk/WidgetStyleCache.cpp b/widget/gtk/WidgetStyleCache.cpp
index 39b7893df3bd..4c9e8523b5bf 100644
--- a/widget/gtk/WidgetStyleCache.cpp
+++ b/widget/gtk/WidgetStyleCache.cpp
@@ -26,10 +26,14 @@ static GtkStyleContext*
GetCssNodeStyleInternal(WidgetNodeType aNodeType);
static GtkWidget*
-CreateWindowWidget()
+CreateWindowWidget(WidgetNodeType type)
{
GtkWidget *widget = gtk_window_new(GTK_WINDOW_POPUP);
gtk_widget_set_name(widget, "MozillaGtkWidget");
+ if (type == MOZ_GTK_WINDOW_CSD) {
+ GtkStyleContext* style = gtk_widget_get_style_context(widget);
+ gtk_style_context_add_class(style, "csd");
+ }
return widget;
}
@@ -101,7 +105,7 @@ CreateTooltipWidget()
{
MOZ_ASSERT(gtk_check_version(3, 20, 0) != nullptr,
"CreateTooltipWidget should be used for Gtk < 3.20 only.");
- GtkWidget* widget = CreateWindowWidget();
+ GtkWidget* widget = CreateWindowWidget(MOZ_GTK_WINDOW);
GtkStyleContext* style = gtk_widget_get_style_context(widget);
gtk_style_context_add_class(style, GTK_STYLE_CLASS_TOOLTIP);
return widget;
@@ -529,11 +533,82 @@ CreateNotebookWidget()
}
static GtkWidget*
+CreateHeaderBar(bool aMaximized)
+{
+ MOZ_ASSERT(gtk_check_version(3, 10, 0) == nullptr,
+ "GtkHeaderBar is only available on GTK 3.10+.");
+ if (gtk_check_version(3, 10, 0) != nullptr)
+ return nullptr;
+
+ static auto sGtkHeaderBarNewPtr = (GtkWidget* (*)())
+ dlsym(RTLD_DEFAULT, "gtk_header_bar_new");
+ static const char* MOZ_GTK_STYLE_CLASS_TITLEBAR = "titlebar";
+
+ GtkWidget* headerbar = sGtkHeaderBarNewPtr();
+ if (aMaximized) {
+ GtkWidget *window = gtk_window_new(GTK_WINDOW_POPUP);
+ gtk_widget_set_name(window, "MozillaMaximizedGtkWidget");
+ GtkStyleContext* style = gtk_widget_get_style_context(window);
+ gtk_style_context_add_class(style, "maximized");
+ GtkWidget *fixed = gtk_fixed_new();
+ gtk_container_add(GTK_CONTAINER(window), fixed);
+ gtk_container_add(GTK_CONTAINER(fixed), headerbar);
+ // Save the window container so we don't leak it.
+ sWidgetStorage[MOZ_GTK_WINDOW_MAXIMIZED] = window;
+ } else {
+ AddToWindowContainer(headerbar);
+ }
+
+ // Emulate what create_titlebar() at gtkwindow.c does.
+ GtkStyleContext* style = gtk_widget_get_style_context(headerbar);
+ gtk_style_context_add_class(style, MOZ_GTK_STYLE_CLASS_TITLEBAR);
+ gtk_style_context_add_class(style, "default-decoration");
+
+ return headerbar;
+}
+
+// TODO - Also return style for buttons located at Maximized toolbar.
+static GtkWidget*
+CreateHeaderBarButton(WidgetNodeType aWidgetType)
+{
+ MOZ_ASSERT(gtk_check_version(3, 10, 0) == nullptr,
+ "GtkHeaderBar is only available on GTK 3.10+.");
+
+ if (gtk_check_version(3, 10, 0) != nullptr)
+ return nullptr;
+
+ static const char* MOZ_GTK_STYLE_CLASS_TITLEBUTTON = "titlebutton";
+
+ GtkWidget* widget = gtk_button_new();
+ gtk_container_add(GTK_CONTAINER(GetWidget(MOZ_GTK_HEADER_BAR)), widget);
+
+ GtkStyleContext* style = gtk_widget_get_style_context(widget);
+ gtk_style_context_add_class(style, MOZ_GTK_STYLE_CLASS_TITLEBUTTON);
+
+ switch (aWidgetType) {
+ case MOZ_GTK_HEADER_BAR_BUTTON_CLOSE:
+ gtk_style_context_add_class(style, "close");
+ break;
+ case MOZ_GTK_HEADER_BAR_BUTTON_MINIMIZE:
+ gtk_style_context_add_class(style, "minimize");
+ break;
+ case MOZ_GTK_HEADER_BAR_BUTTON_MAXIMIZE:
+ gtk_style_context_add_class(style, "maximize");
+ break;
+ default:
+ break;
+ }
+
+ return widget;
+}
+
+static GtkWidget*
CreateWidget(WidgetNodeType aWidgetType)
{
switch (aWidgetType) {
case MOZ_GTK_WINDOW:
- return CreateWindowWidget();
+ case MOZ_GTK_WINDOW_CSD:
+ return CreateWindowWidget(aWidgetType);
case MOZ_GTK_WINDOW_CONTAINER:
return CreateWindowContainerWidget();
case MOZ_GTK_CHECKBUTTON_CONTAINER:
@@ -610,6 +685,13 @@ CreateWidget(WidgetNodeType aWidgetType)
return CreateComboBoxEntryButtonWidget();
case MOZ_GTK_COMBOBOX_ENTRY_ARROW:
return CreateComboBoxEntryArrowWidget();
+ case MOZ_GTK_HEADER_BAR:
+ case MOZ_GTK_HEADER_BAR_MAXIMIZED:
+ return CreateHeaderBar(aWidgetType == MOZ_GTK_HEADER_BAR_MAXIMIZED);
+ case MOZ_GTK_HEADER_BAR_BUTTON_CLOSE:
+ case MOZ_GTK_HEADER_BAR_BUTTON_MINIMIZE:
+ case MOZ_GTK_HEADER_BAR_BUTTON_MAXIMIZE:
+ return CreateHeaderBarButton(aWidgetType);
default:
/* Not implemented */
return nullptr;
@@ -1049,6 +1131,10 @@ GetCssNodeStyleInternal(WidgetNodeType aNodeType)
GtkWidget* widget = GetWidget(MOZ_GTK_NOTEBOOK);
return gtk_widget_get_style_context(widget);
}
+ case MOZ_GTK_WINDOW_DECORATION:
+ style = CreateChildCSSNode("decoration",
+ MOZ_GTK_WINDOW_CSD);
+ break;
default:
return GetWidgetRootStyle(aNodeType);
}
@@ -1214,6 +1300,8 @@ ResetWidgetCache(void)
/* This will destroy all of our widgets */
if (sWidgetStorage[MOZ_GTK_WINDOW])
gtk_widget_destroy(sWidgetStorage[MOZ_GTK_WINDOW]);
+ if (sWidgetStorage[MOZ_GTK_WINDOW_MAXIMIZED])
+ gtk_widget_destroy(sWidgetStorage[MOZ_GTK_WINDOW_MAXIMIZED]);
/* Clear already freed arrays */
mozilla::PodArrayZero(sWidgetStorage);
diff --git a/widget/gtk/gtk3drawing.cpp b/widget/gtk/gtk3drawing.cpp
index 4c562b380095..ee2b8a04f63f 100644
--- a/widget/gtk/gtk3drawing.cpp
+++ b/widget/gtk/gtk3drawing.cpp
@@ -17,6 +17,7 @@
#include "WidgetStyleCache.h"
#include <math.h>
+#include <dlfcn.h>
static gboolean checkbox_check_state;
static gboolean notebook_has_tab_gap;
@@ -39,9 +40,25 @@ static gint
moz_gtk_menu_item_paint(WidgetNodeType widget, cairo_t *cr, GdkRectangle* rect,
GtkWidgetState* state, GtkTextDirection direction);
+static void
+moz_gtk_add_style_margin(GtkStyleContext* style,
+ gint* left, gint* top, gint* right, gint* bottom);
+static void
+moz_gtk_add_style_border(GtkStyleContext* style,
+ gint* left, gint* top, gint* right, gint* bottom);
+static void
+moz_gtk_add_style_padding(GtkStyleContext* style,
+ gint* left, gint* top, gint* right, gint* bottom);
+static void moz_gtk_add_margin_border_padding(GtkStyleContext *style,
+ gint* left, gint* top,
+ gint* right, gint* bottom);
+static void moz_gtk_add_border_padding(GtkStyleContext *style,
+ gint* left, gint* top,
+ gint* right, gint* bottom);
static GtkBorder
GetMarginBorderPadding(GtkStyleContext* aStyle);
+
// GetStateFlagsFromGtkWidgetState() can be safely used for the specific
// GtkWidgets that set both prelight and active flags. For other widgets,
// either the GtkStateFlags or Gecko's GtkWidgetState need to be carefully
@@ -233,6 +250,43 @@ moz_gtk_splitter_get_metrics(gint orientation, gint* size)
return MOZ_GTK_SUCCESS;
}
+void
+moz_gtk_get_window_border(gint* top, gint* right, gint* bottom, gint* left)
+{
+ MOZ_ASSERT(gtk_check_version(3, 20, 0) == nullptr,
+ "Window decorations are only supported on GTK 3.20+.");
+
+ GtkStyleContext* style = GetStyleContext(MOZ_GTK_WINDOW);
+
+ *top = *right = *bottom = *left = 0;
+ moz_gtk_add_border_padding(style, left, top, right, bottom);
+ GtkBorder windowMargin;
+ gtk_style_context_get_margin(style, GTK_STATE_FLAG_NORMAL, &windowMargin);
+
+ style = GetStyleContext(MOZ_GTK_WINDOW_DECORATION);
+
+ // Available on GTK 3.20+.
+ static auto sGtkRenderBackgroundGetClip =
+ (void (*)(GtkStyleContext*, gdouble, gdouble, gdouble, gdouble, GdkRectangle*))
+ dlsym(RTLD_DEFAULT, "gtk_render_background_get_clip");
+
+ GdkRectangle shadowClip;
+ sGtkRenderBackgroundGetClip(style, 0, 0, 0, 0, &shadowClip);
+
+ // Transfer returned inset rectangle to GtkBorder
+ GtkBorder shadowBorder = {
+ static_cast<gint16>(-shadowClip.x), // left
+ static_cast<gint16>(shadowClip.width + shadowClip.x), // right
+ static_cast<gint16>(-shadowClip.y), // top
+ static_cast<gint16>(shadowClip.height + shadowClip.y), // bottom
+ };
+
+ *left += MAX(windowMargin.left, shadowBorder.left);
+ *right += MAX(windowMargin.right, shadowBorder.right);
+ *top += MAX(windowMargin.top, shadowBorder.top);
+ *bottom += MAX(windowMargin.bottom, shadowBorder.bottom);
+}
+
static gint
moz_gtk_window_paint(cairo_t *cr, GdkRectangle* rect,
GtkTextDirection direction)
@@ -302,6 +356,24 @@ moz_gtk_button_paint(cairo_t *cr, GdkRectangle* rect,
}
static gint
+moz_gtk_header_bar_button_paint(cairo_t *cr, GdkRectangle* rect,
+ GtkWidgetState* state,
+ GtkReliefStyle relief, GtkWidget* widget,
+ GtkTextDirection direction)
+{
+ GtkBorder margin;
+ GtkStyleContext* style = gtk_widget_get_style_context(widget);
+ gtk_style_context_get_margin(style, GTK_STATE_FLAG_NORMAL, &margin);
+
+ rect->x += margin.left;
+ rect->y += margin.top;
+ rect->width -= margin.left + margin.right;
+ rect->height -= margin.top + margin.bottom;
+
+ return moz_gtk_button_paint(cr, rect, state, relief, widget, direction);
+}
+
+static gint
moz_gtk_toggle_paint(cairo_t *cr, GdkRectangle* rect,
GtkWidgetState* state,
gboolean selected, gboolean inconsistent,
@@ -1948,6 +2020,38 @@ moz_gtk_info_bar_paint(cairo_t *cr, GdkRectangle* rect,
return MOZ_GTK_SUCCESS;
}
+static gint
+moz_gtk_header_bar_paint(WidgetNodeType widgetType,
+ cairo_t *cr, GdkRectangle* rect, GtkWidgetState* state)
+{
+ GtkStateFlags state_flags = GetStateFlagsFromGtkWidgetState(state);
+ GtkStyleContext *style;
+
+ style = GetStyleContext(widgetType, GTK_TEXT_DIR_LTR,
+ state_flags);
+ InsetByMargin(rect, style);
+ 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);
+
+ return MOZ_GTK_SUCCESS;
+}
+
+void
+moz_gtk_header_bar_paint(cairo_t *cr, GdkRectangle* rect)
+{
+ static GtkWidgetState state;
+ moz_gtk_header_bar_paint(MOZ_GTK_HEADER_BAR, cr, rect, &state);
+}
+
+void
+moz_gtk_get_header_bar_border(gint* top, gint* right, gint* bottom, gint* left)
+{
+ *left = *top = *right = *bottom = 0;
+ moz_gtk_add_border_padding(GetStyleContext(MOZ_GTK_HEADER_BAR),
+ left, top, right, bottom);
+}
+
static void
moz_gtk_add_style_margin(GtkStyleContext* style,
gint* left, gint* top, gint* right, gint* bottom)
@@ -1999,6 +2103,14 @@ static void moz_gtk_add_margin_border_padding(GtkStyleContext *style,
moz_gtk_add_style_padding(style, left, top, right, bottom);
}
+static void moz_gtk_add_border_padding(GtkStyleContext *style,
+ gint* left, gint* top,
+ gint* right, gint* bottom)
+{
+ moz_gtk_add_style_border(style, left, top, right, bottom);
+ moz_gtk_add_style_padding(style, left, top, right, bottom);
+}
+
static GtkBorder
GetMarginBorderPadding(GtkStyleContext* aStyle)
{
@@ -2054,8 +2166,7 @@ moz_gtk_get_widget_border(WidgetNodeType widget, gint* left, gint* top,
// XXX: Subtract 1 pixel from the padding to account for the default
// padding in forms.css. See bug 1187385.
*left = *top = *right = *bottom = -1;
- moz_gtk_add_style_padding(style, left, top, right, bottom);
- moz_gtk_add_style_border(style, left, top, right, bottom);
+ moz_gtk_add_border_padding(style, left, top, right, bottom);
return MOZ_GTK_SUCCESS;
}
@@ -2076,10 +2187,8 @@ moz_gtk_get_widget_border(WidgetNodeType widget, gint* left, gint* top,
*left = *top = *right = *bottom =
gtk_container_get_border_width(GTK_CONTAINER(
GetWidget(MOZ_GTK_TREE_HEADER_CELL)));
-
style = GetStyleContext(MOZ_GTK_TREE_HEADER_CELL);
- moz_gtk_add_style_border(style, left, top, right, bottom);
- moz_gtk_add_style_padding(style, left, top, right, bottom);
+ moz_gtk_add_border_padding(style, left, top, right, bottom);
return MOZ_GTK_SUCCESS;
}
case MOZ_GTK_TREE_HEADER_SORTARROW:
@@ -2105,8 +2214,7 @@ moz_gtk_get_widget_border(WidgetNodeType widget, gint* left, gint* top,
gtk_container_get_border_width(GTK_CONTAINER(
GetWidget(MOZ_GTK_COMBOBOX_BUTTON)));
style = GetStyleContext(MOZ_GTK_COMBOBOX_BUTTON);
- moz_gtk_add_style_padding(style, left, top, right, bottom);
- moz_gtk_add_style_border(style, left, top, right, bottom);
+ moz_gtk_add_border_padding(style, left, top, right, bottom);
/* If there is no separator, don't try to count its width. */
separator_width = 0;
@@ -2160,10 +2268,8 @@ moz_gtk_get_widget_border(WidgetNodeType widget, gint* left, gint* top,
style = gtk_widget_get_style_context(w);
*left = *top = *right = *bottom = gtk_container_get_border_width(GTK_CONTAINER(w));
- moz_gtk_add_style_border(style,
- left, top, right, bottom);
- moz_gtk_add_style_padding(style,
- left, top, right, bottom);
+ moz_gtk_add_border_padding(style,
+ left, top, right, bottom);
return MOZ_GTK_SUCCESS;
}
case MOZ_GTK_MENUPOPUP:
@@ -2210,6 +2316,21 @@ moz_gtk_get_widget_border(WidgetNodeType widget, gint* left, gint* top,
return MOZ_GTK_SUCCESS;
}
+ case MOZ_GTK_HEADER_BAR:
+ case MOZ_GTK_HEADER_BAR_MAXIMIZED:
+ {
+ style = GetStyleContext(widget);
+ moz_gtk_add_border_padding(style, left, top, right, bottom);
+ return MOZ_GTK_SUCCESS;
+ }
+ case MOZ_GTK_HEADER_BAR_BUTTON_CLOSE:
+ case MOZ_GTK_HEADER_BAR_BUTTON_MINIMIZE:
+ case MOZ_GTK_HEADER_BAR_BUTTON_MAXIMIZE:
+ {
+ style = GetStyleContext(widget);
+ moz_gtk_add_margin_border_padding(style, left, top, right, bottom);
+ return MOZ_GTK_SUCCESS;
+ }
/* These widgets have no borders, since they are not containers. */
case MOZ_GTK_CHECKBUTTON_LABEL:
@@ -2646,6 +2767,36 @@ GetScrollbarMetrics(GtkOrientation aOrientation)
return metrics;
}
+void
+moz_gtk_window_decoration_paint(cairo_t *cr, GdkRectangle* rect)
+{
+ gint top, right, bottom, left;
+ moz_gtk_get_window_border(&top, &right, &bottom, &left);
+
+ cairo_save(cr);
+ cairo_set_operator(cr, CAIRO_OPERATOR_CLEAR);
+ cairo_rectangle(cr, rect->x, rect->y, left, rect->height);
+ cairo_fill(cr);
+ cairo_rectangle(cr, rect->x+rect->width-right, rect->y, right, rect->height);
+ cairo_fill(cr);
+ cairo_rectangle(cr, rect->x, rect->y, rect->width, top);
+ cairo_fill(cr);
+ cairo_rectangle(cr, rect->x, rect->height-bottom, rect->width, bottom);
+ cairo_fill(cr);
+ cairo_restore(cr);
+
+ GtkStyleContext* style = GetStyleContext(MOZ_GTK_WINDOW_DECORATION,
+ GTK_TEXT_DIR_NONE);
+ rect->x += left;
+ rect->y += top;
+ rect->width -= left + right;
+ rect->height -= top + bottom;
+
+ 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);
+}
+
+
/* cairo_t *cr argument has to be a system-cairo. */
gint
moz_gtk_widget_paint(WidgetNodeType widget, cairo_t *cr,
@@ -2671,6 +2822,14 @@ moz_gtk_widget_paint(WidgetNodeType widget, cairo_t *cr,
GetWidget(MOZ_GTK_BUTTON),
direction);
break;
+ case MOZ_GTK_HEADER_BAR_BUTTON_CLOSE:
+ case MOZ_GTK_HEADER_BAR_BUTTON_MINIMIZE:
+ case MOZ_GTK_HEADER_BAR_BUTTON_MAXIMIZE:
+ return moz_gtk_header_bar_button_paint(cr, rect, state,
+ (GtkReliefStyle) flags,
+ GetWidget(widget),
+ direction);
+ break;
case MOZ_GTK_CHECKBUTTON:
case MOZ_GTK_RADIOBUTTON:
return moz_gtk_toggle_paint(cr, rect, state,
@@ -2877,6 +3036,10 @@ moz_gtk_widget_paint(WidgetNodeType widget, cairo_t *cr,
case MOZ_GTK_INFO_BAR:
return moz_gtk_info_bar_paint(cr, rect, state);
break;
+ case MOZ_GTK_HEADER_BAR:
+ case MOZ_GTK_HEADER_BAR_MAXIMIZED:
+ return moz_gtk_header_bar_paint(widget, cr, rect, state);
+ break;
default:
g_warning("Unknown widget type: %d", widget);
}
diff --git a/widget/gtk/gtkdrawing.h b/widget/gtk/gtkdrawing.h
index 42dbf8287499..c0a7eba5006a 100644
--- a/widget/gtk/gtkdrawing.h
+++ b/widget/gtk/gtkdrawing.h
@@ -268,8 +268,14 @@ typedef enum {
MOZ_GTK_SPLITTER_SEPARATOR_VERTICAL,
/* Paints the background of a window, dialog or page. */
MOZ_GTK_WINDOW,
+ /* Used only as a container for MOZ_GTK_HEADER_BAR_MAXIMIZED. */
+ MOZ_GTK_WINDOW_MAXIMIZED,
/* Window container for all widgets */
MOZ_GTK_WINDOW_CONTAINER,
+ /* Window with the 'csd' style class. */
+ MOZ_GTK_WINDOW_CSD,
+ /* Client-side window decoration node. Available on GTK 3.20+. */
+ MOZ_GTK_WINDOW_DECORATION,
/* Paints a GtkInfoBar, for notifications. */
MOZ_GTK_INFO_BAR,
/* Used for widget tree construction. */
@@ -290,6 +296,14 @@ typedef enum {
MOZ_GTK_COMBOBOX_ENTRY_ARROW,
/* Used for scrolled window shell. */
MOZ_GTK_SCROLLED_WINDOW,
+ /* Paints a GtkHeaderBar */
+ MOZ_GTK_HEADER_BAR,
+ /* Paints a GtkHeaderBar in maximized state */
+ MOZ_GTK_HEADER_BAR_MAXIMIZED,
+ /* Paints a GtkHeaderBar title buttons */
+ MOZ_GTK_HEADER_BAR_BUTTON_CLOSE,
+ MOZ_GTK_HEADER_BAR_BUTTON_MINIMIZE,
+ MOZ_GTK_HEADER_BAR_BUTTON_MAXIMIZE,
MOZ_GTK_WIDGET_NODE_COUNT
} WidgetNodeType;
@@ -542,6 +556,32 @@ gint moz_gtk_get_menu_separator_height(gint* size);
*/
gint moz_gtk_splitter_get_metrics(gint orientation, gint* size);
+#if (MOZ_WIDGET_GTK == 3)
+/**
+ * Gets the margins to be used for window decorations, typically the extra space
+ * required to draw a drop shadow (obtained from gtk_render_background_get_clip).
+ * Only available on GTK 3.20+.
+ */
+void moz_gtk_get_window_border(gint* top, gint* right, gint* bottom, gint* left);
+
+/**
+ * Draw window decorations, typically a shadow.
+ * Only available on GTK 3.20+.
+ */
+void moz_gtk_window_decoration_paint(cairo_t *cr, GdkRectangle* rect);
+
+/**
+ * Gets the border of window header bar, only available on GTK 3.20+.
+ */
+void moz_gtk_get_header_bar_border(gint* top, gint* right, gint* bottom, gint* left);
+
+/**
+ * Draw window header bar, only available on GTK 3.20+.
+ */
+void moz_gtk_header_bar_paint(cairo_t *cr, GdkRectangle* rect);
+
+#endif
+
/**
* Get the YTHICKNESS of a tab (notebook extension).
*/
diff --git a/widget/gtk/mozgtk/mozgtk.c b/widget/gtk/mozgtk/mozgtk.c
index 7285b7f001ac..6e554c7f628e 100644
--- a/widget/gtk/mozgtk/mozgtk.c
+++ b/widget/gtk/mozgtk/mozgtk.c
@@ -580,6 +580,8 @@ STUB(gtk_style_context_set_state)
STUB(gtk_style_properties_lookup_property)
STUB(gtk_tree_view_column_get_button)
STUB(gtk_widget_get_preferred_size)
+STUB(gtk_widget_get_preferred_width)
+STUB(gtk_widget_get_preferred_height)
STUB(gtk_widget_get_state_flags)
STUB(gtk_widget_get_style_context)
STUB(gtk_widget_path_append_type)
@@ -589,6 +591,10 @@ STUB(gtk_widget_path_iter_add_class)
STUB(gtk_widget_path_get_object_type)
STUB(gtk_widget_path_new)
STUB(gtk_widget_path_unref)
+STUB(gtk_widget_set_margin_left)
+STUB(gtk_widget_set_margin_right)
+STUB(gtk_widget_set_margin_top)
+STUB(gtk_widget_set_margin_bottom)
STUB(gtk_widget_set_visual)
STUB(gtk_app_chooser_dialog_new_for_content_type)
STUB(gtk_app_chooser_get_type)
@@ -601,6 +607,7 @@ STUB(gtk_color_chooser_get_type)
STUB(gtk_color_chooser_set_rgba)
STUB(gtk_color_chooser_get_rgba)
STUB(gtk_color_chooser_set_use_alpha)
+STUB(gtk_window_get_size)
#endif
#ifdef GTK2_SYMBOLS
diff --git a/widget/gtk/nsLookAndFeel.cpp b/widget/gtk/nsLookAndFeel.cpp
index e02bf10fe87f..a5950ac35799 100644
--- a/widget/gtk/nsLookAndFeel.cpp
+++ b/widget/gtk/nsLookAndFeel.cpp
@@ -642,6 +642,22 @@ nsLookAndFeel::GetIntImpl(IntID aID, int32_t &aResult)
case eIntID_ContextMenuOffsetHorizontal:
aResult = 2;
break;
+ case eIntID_GTKCSDAvailable:
+ EnsureInit();
+ aResult = sCSDAvailable;
+ break;
+ case eIntID_GTKCSDMaximizeButton:
+ EnsureInit();
+ aResult = sCSDMaximizeButton;
+ break;
+ case eIntID_GTKCSDMinimizeButton:
+ EnsureInit();
+ aResult = sCSDMinimizeButton;
+ break;
+ case eIntID_GTKCSDCloseButton:
+ EnsureInit();
+ aResult = sCSDCloseButton;
+ break;
default:
aResult = 0;
res = NS_ERROR_FAILURE;
@@ -1048,6 +1064,40 @@ nsLookAndFeel::EnsureInit()
gtk_widget_destroy(window);
g_object_unref(labelWidget);
+
+ // Require GTK 3.20 for client-side decoration support.
+ // 3.20 exposes gtk_render_background_get_clip, which is required for
+ // calculating shadow metrics for decorated windows.
+ sCSDAvailable = gtk_check_version(3, 20, 0) == nullptr;
+ if (sCSDAvailable) {
+ sCSDAvailable =
+ mozilla::Preferences::GetBool("widget.allow-client-side-decoration",
+ false);
+ }
+
+ const gchar* decorationLayout = nullptr;
+ if (gtk_check_version(3, 12, 0) == nullptr) {
+ static auto sGtkHeaderBarGetDecorationLayoutPtr =
+ (const gchar* (*)(GtkWidget*))
+ dlsym(RTLD_DEFAULT, "gtk_header_bar_get_decoration_layout");
+
+ GtkWidget* headerBar = GetWidget(MOZ_GTK_HEADER_BAR);
+ decorationLayout = sGtkHeaderBarGetDecorationLayoutPtr(headerBar);
+ if (!decorationLayout) {
+ g_object_get(settings, "gtk-decoration-layout", &decorationLayout,
+ nullptr);
+ }
+ }
+
+ if (decorationLayout) {
+ sCSDCloseButton = (strstr(decorationLayout, "close") != nullptr);
+ sCSDMaximizeButton = (strstr(decorationLayout, "maximize") != nullptr);
+ sCSDMinimizeButton = (strstr(decorationLayout, "minimize") != nullptr);
+ } else {
+ sCSDCloseButton = true;
+ sCSDMaximizeButton = true;
+ sCSDMinimizeButton = true;
+ }
}
// virtual
diff --git a/widget/gtk/nsLookAndFeel.h b/widget/gtk/nsLookAndFeel.h
index 177d069f6567..6e14236e604a 100644
--- a/widget/gtk/nsLookAndFeel.h
+++ b/widget/gtk/nsLookAndFeel.h
@@ -32,6 +32,8 @@ public:
virtual char16_t GetPasswordCharacterImpl();
virtual bool GetEchoPasswordImpl();
+ bool IsCSDAvailable() const { return sCSDAvailable; }
+
protected:
// Cached fonts
@@ -82,6 +84,10 @@ protected:
char16_t sInvisibleCharacter;
float sCaretRatio;
bool sMenuSupportsDrag;
+ bool sCSDAvailable;
+ bool sCSDMaximizeButton;
+ bool sCSDMinimizeButton;
+ bool sCSDCloseButton;
bool mInitialized;
void EnsureInit();
diff --git a/widget/gtk/nsNativeThemeGTK.cpp b/widget/gtk/nsNativeThemeGTK.cpp
index 211790096a3e..6ed35b97a0d7 100644
--- a/widget/gtk/nsNativeThemeGTK.cpp
+++ b/widget/gtk/nsNativeThemeGTK.cpp
@@ -23,6 +23,7 @@
#include "nsIDOMHTMLInputElement.h"
#include "nsGkAtoms.h"
#include "nsAttrValueInlines.h"
+#include "nsWindow.h"
#include "mozilla/EventStates.h"
#include "mozilla/Services.h"
@@ -703,6 +704,24 @@ nsNativeThemeGTK::GetGtkWidgetAndState(uint8_t aWidgetType, nsIFrame* aFrame,
case NS_THEME_GTK_INFO_BAR:
aGtkWidgetType = MOZ_GTK_INFO_BAR;
break;
+ case NS_THEME_WINDOW_TITLEBAR:
+ aGtkWidgetType = MOZ_GTK_HEADER_BAR;
+ break;
+ case NS_THEME_WINDOW_TITLEBAR_MAXIMIZED:
+ aGtkWidgetType = MOZ_GTK_HEADER_BAR_MAXIMIZED;
+ break;
+ case NS_THEME_WINDOW_BUTTON_CLOSE:
+ aGtkWidgetType = MOZ_GTK_HEADER_BAR_BUTTON_CLOSE;
+ break;
+ case NS_THEME_WINDOW_BUTTON_MINIMIZE:
+ aGtkWidgetType = MOZ_GTK_HEADER_BAR_BUTTON_MINIMIZE;
+ break;
+ case NS_THEME_WINDOW_BUTTON_MAXIMIZE:
+ aGtkWidgetType = MOZ_GTK_HEADER_BAR_BUTTON_MAXIMIZE;
+ break;
+ case NS_THEME_WINDOW_BUTTON_RESTORE:
+ aGtkWidgetType = MOZ_GTK_HEADER_BAR_BUTTON_MAXIMIZE;
+ break;
default:
return false;
}
@@ -1627,6 +1646,10 @@ nsNativeThemeGTK::GetMinimumWidgetSize(nsPresContext* aPresContext,
case NS_THEME_MENULIST:
case NS_THEME_TOOLBARBUTTON:
case NS_THEME_TREEHEADERCELL:
+ case NS_THEME_WINDOW_BUTTON_CLOSE:
+ case NS_THEME_WINDOW_BUTTON_MINIMIZE:
+ case NS_THEME_WINDOW_BUTTON_MAXIMIZE:
+ case NS_THEME_WINDOW_BUTTON_RESTORE:
{
if (aWidgetType == NS_THEME_MENULIST) {
// Include the arrow size.
@@ -1892,9 +1915,21 @@ nsNativeThemeGTK::ThemeSupportsWidget(nsPresContext* aPresContext,
case NS_THEME_DIALOG:
#if (MOZ_WIDGET_GTK == 3)
case NS_THEME_GTK_INFO_BAR:
+ case NS_THEME_GTK_WINDOW_DECORATION:
#endif
return !IsWidgetStyled(aPresContext, aFrame, aWidgetType);
+ case NS_THEME_WINDOW_BUTTON_CLOSE:
+ case NS_THEME_WINDOW_BUTTON_MINIMIZE:
+ case NS_THEME_WINDOW_BUTTON_MAXIMIZE:
+ case NS_THEME_WINDOW_BUTTON_RESTORE:
+ case NS_THEME_WINDOW_TITLEBAR:
+ case NS_THEME_WINDOW_TITLEBAR_MAXIMIZED:
+ // GtkHeaderBar is available on GTK 3.10+, which is used for styling
+ // title bars and title buttons.
+ return gtk_check_version(3, 10, 0) == nullptr &&
+ !IsWidgetStyled(aPresContext, aFrame, aWidgetType);
+
case NS_THEME_MENULIST_BUTTON:
if (aFrame && aFrame->GetWritingMode().IsVertical()) {
return false;
@@ -1978,6 +2013,13 @@ nsNativeThemeGTK::GetWidgetTransparency(nsIFrame* aFrame, uint8_t aWidgetType)
#else
return eTransparent;
#endif
+ case NS_THEME_GTK_WINDOW_DECORATION:
+ {
+ nsWindow* window = static_cast<nsWindow*>(aFrame->GetNearestWidget());
+ if (window)
+ return window->IsComposited() ? eTransparent : eOpaque;
+ return eOpaque;
+ }
}
return eUnknownTransparency;
diff --git a/widget/gtk/nsWindow.cpp b/widget/gtk/nsWindow.cpp
index 37b6aae4c3d0..f0c3343f20ae 100644
--- a/widget/gtk/nsWindow.cpp
+++ b/widget/gtk/nsWindow.cpp
@@ -85,6 +85,7 @@
#include "nsIPropertyBag2.h"
#include "GLContext.h"
#include "gfx2DGlue.h"
+#include "nsLookAndFeel.h"
#ifdef ACCESSIBILITY
#include "mozilla/a11y/Accessible.h"
@@ -139,6 +140,8 @@ using namespace mozilla::widget;
#include "mozilla/layers/APZCTreeManager.h"
+#include "gtkdrawing.h"
+
using namespace mozilla;
using namespace mozilla::gfx;
using namespace mozilla::widget;
@@ -185,6 +188,8 @@ static gboolean expose_event_cb (GtkWidget *widget,
#else
static gboolean expose_event_cb (GtkWidget *widget,
cairo_t *rect);
+static gboolean expose_event_decoration_draw_cb (GtkWidget *widget,
+ cairo_t *cr);
#endif
static gboolean configure_event_cb (GtkWidget *widget,
GdkEventConfigure *event);
@@ -230,7 +235,6 @@ static void screen_composited_changed_cb (GdkScreen* screen,
gpointer user_data);
static void widget_composited_changed_cb (GtkWidget* widget,
gpointer user_data);
-
#if (MOZ_WIDGET_GTK == 3)
static void scale_changed_cb (GtkWidget* widget,
GParamSpec* aPSpec,
@@ -439,6 +443,7 @@ nsWindow::nsWindow()
mContainer = nullptr;
mGdkWindow = nullptr;
+ mIsCSDEnabled = false;
mShell = nullptr;
mCompositorWidgetDelegate = nullptr;
mHasMappedToplevel = false;
@@ -480,6 +485,9 @@ nsWindow::nsWindow()
mLastScrollEventTime = GDK_CURRENT_TIME;
#endif
mPendingConfigures = 0;
+ mDrawWindowDecoration = false;
+ mDecorationSize = {0,0,0,0};
+ mCSDSupportLevel = CSD_SUPPORT_UNKNOWN;
}
nsWindow::~nsWindow()
@@ -1478,8 +1486,8 @@ LayoutDeviceIntRect
nsWindow::GetScreenBounds()
{
LayoutDeviceIntRect rect;
- if (mIsTopLevel && mContainer) {
- // use the point including window decorations
+ if (mIsTopLevel && mContainer && !IsClientDecorated()) {
+ // use the point including default Gtk+ window decorations
gint x, y;
gdk_window_get_root_origin(gtk_widget_get_window(GTK_WIDGET(mContainer)), &x, &y);
rect.MoveTo(GdkPointToDevicePixels({ x, y }));
@@ -1605,6 +1613,10 @@ nsWindow::SetCursor(nsCursor aCursor)
return;
gdk_window_set_cursor(gtk_widget_get_window(GTK_WIDGET(mContainer)), newCursor);
+ if (IsClientDecorated()) {
+ gdk_window_set_cursor(gtk_widget_get_window(GTK_WIDGET(mShell)),
+ newCursor);
+ }
}
}
}
@@ -1661,6 +1673,10 @@ nsWindow::SetCursor(imgIContainer* aCursor,
if (cursor) {
if (mContainer) {
gdk_window_set_cursor(gtk_widget_get_window(GTK_WIDGET(mContainer)), cursor);
+ if (IsClientDecorated()) {
+ gdk_window_set_cursor(gtk_widget_get_window(GTK_WIDGET(mShell)),
+ cursor);
+ }
rv = NS_OK;
}
#if (MOZ_WIDGET_GTK == 3)
@@ -2175,6 +2191,12 @@ nsWindow::OnExposeEvent(cairo_t *cr)
return TRUE;
}
+ // Clip upper part of the mContainer to get visible rounded corners
+ // of GtkHeaderBar which is renderd to mShell.
+ if (mIsCSDEnabled) {
+ ApplyCSDClipping();
+ }
+
// If this widget uses OMTC...
if (GetLayerManager()->GetBackendType() == LayersBackend::LAYERS_CLIENT ||
GetLayerManager()->GetBackendType() == LayersBackend::LAYERS_WR) {
@@ -2585,6 +2607,53 @@ nsWindow::OnMotionNotifyEvent(GdkEventMotion *aEvent)
}
}
#endif /* MOZ_X11 */
+ // Client is decorated and we're getting the motion event for mShell
+ // window which draws the CSD decorations around mContainer.
+ if (IsClientDecorated()) {
+ if (aEvent->window == gtk_widget_get_window(mShell)) {
+ GdkWindowEdge edge;
+ LayoutDeviceIntPoint refPoint =
+ GdkEventCoordsToDevicePixels(aEvent->x, aEvent->y);
+ if (CheckResizerEdge(refPoint, edge)) {
+ nsCursor cursor = eCursor_none;
+ switch (edge) {
+ case GDK_WINDOW_EDGE_NORTH:
+ cursor = eCursor_n_resize;
+ break;
+ case GDK_WINDOW_EDGE_NORTH_WEST:
+ cursor = eCursor_nw_resize;
+ break;
+ case GDK_WINDOW_EDGE_NORTH_EAST:
+ cursor = eCursor_ne_resize;
+ break;
+ case GDK_WINDOW_EDGE_WEST:
+ cursor = eCursor_w_resize;
+ break;
+ case GDK_WINDOW_EDGE_EAST:
+ cursor = eCursor_e_resize;
+ break;
+ case GDK_WINDOW_EDGE_SOUTH:
+ cursor = eCursor_s_resize;
+ break;
+ case GDK_WINDOW_EDGE_SOUTH_WEST:
+ cursor = eCursor_sw_resize;
+ break;
+ case GDK_WINDOW_EDGE_SOUTH_EAST:
+ cursor = eCursor_se_resize;
+ break;
+ }
+ SetCursor(cursor);
+ return;
+ }
+ }
+ // We're not on resize handle - check if we need to reset cursor back.
+ if (mCursor == eCursor_n_resize || mCursor == eCursor_nw_resize ||
+ mCursor == eCursor_ne_resize || mCursor == eCursor_w_resize ||
+ mCursor == eCursor_e_resize || mCursor == eCursor_s_resize ||
+ mCursor == eCursor_sw_resize || mCursor == eCursor_se_resize) {
+ SetCursor(eCursor_standard);
+ }
+ }
WidgetMouseEvent event(true, eMouseMove, this, WidgetMouseEvent::eReal);
@@ -2755,6 +2824,20 @@ nsWindow::OnButtonPressEvent(GdkEventButton *aEvent)
if (CheckForRollup(aEvent->x_root, aEvent->y_root, false, false))
return;
+ if (IsClientDecorated() && aEvent->window == gtk_widget_get_window(mShell)) {
+ // Check to see if the event is within our window's resize region
+ GdkWindowEdge edge;
+ LayoutDeviceIntPoint refPoint =
+ GdkEventCoordsToDevicePixels(aEvent->x, aEvent->y);
+ if (CheckResizerEdge(refPoint, edge)) {
+ gdk_window_begin_resize_drag(gtk_widget_get_window(mShell),
+ edge, aEvent->button,
+ aEvent->x_root, aEvent->y_root,
+ aEvent->time);
+ return;
+ }
+ }
+
gdouble pressure = 0;
gdk_event_get_axis ((GdkEvent*)aEvent, GDK_AXIS_PRESSURE, &pressure);
mLastMotionPressure = pressure;
@@ -3340,6 +3423,8 @@ nsWindow::OnWindowStateEvent(GtkWidget *aWidget, GdkEventWindowState *aEvent)
#endif //ACCESSIBILITY
}
+ UpdateClientDecorations();
+
if (mWidgetListener) {
mWidgetListener->SizeModeChanged(mSizeState);
if (aEvent->changed_mask & GDK_WINDOW_STATE_FULLSCREEN) {
@@ -3404,6 +3489,7 @@ nsWindow::OnCompositedChanged()
presShell->ThemeChanged();
}
}
+ UpdateClientDecorations();
}
void
@@ -3592,7 +3678,8 @@ nsWindow::Create(nsIWidget* aParent,
GtkWindow *topLevelParent = nullptr;
nsWindow *parentnsWindow = nullptr;
GtkWidget *eventWidget = nullptr;
- bool shellHasCSD = false;
+ GtkWidget *drawWidget = nullptr;
+ bool drawToContainer = false;
if (aParent) {
parentnsWindow = static_cast<nsWindow*>(aParent);
@@ -3639,29 +3726,47 @@ nsWindow::Create(nsIWidget* aParent,
GTK_WINDOW_TOPLEVEL : GTK_WINDOW_POPUP;
mShell = gtk_window_new(type);
- bool useAlphaVisual = (mWindowType == eWindowType_popup &&
- aInitData->mSupportTranslucency);
+ bool useAlphaVisual = false;
+#if (MOZ_WIDGET_GTK == 3)
+ // When CSD is available we can emulate it for toplevel windows.
+ // Content is rendered to mContainer and transparent decorations to mShell.
+ if (GetCSDSupportLevel() != CSD_SUPPORT_NONE &&
+ mWindowType == eWindowType_toplevel) {
+ int32_t isCSDAvailable = false;
+ nsresult rv = LookAndFeel::GetInt(LookAndFeel::eIntID_GTKCSDAvailable,
+ &isCSDAvailable);
+ if (NS_SUCCEEDED(rv)) {
+ mIsCSDEnabled = useAlphaVisual = isCSDAvailable;
+ }
+ } else
+#endif
+ if (mWindowType == eWindowType_popup) {
+ useAlphaVisual = aInitData->mSupportTranslucency;
+ }
// mozilla.widget.use-argb-visuals is a hidden pref defaulting to false
// to allow experimentation
if (Preferences::GetBool("mozilla.widget.use-argb-visuals", false))
useAlphaVisual = true;
+ // An ARGB visual is only useful if we are on a compositing
+ // window manager.
+ GdkScreen *screen = gtk_widget_get_screen(mShell);
+ if (useAlphaVisual && !gdk_screen_is_composited(screen)) {
+ useAlphaVisual = false;
+ }
+
// We need to select an ARGB visual here instead of in
// SetTransparencyMode() because it has to be done before the
- // widget is realized. An ARGB visual is only useful if we
- // are on a compositing window manager.
+ // widget is realized.
if (useAlphaVisual) {
- GdkScreen *screen = gtk_widget_get_screen(mShell);
- if (gdk_screen_is_composited(screen)) {
#if (MOZ_WIDGET_GTK == 2)
- GdkColormap *colormap = gdk_screen_get_rgba_colormap(screen);
- gtk_widget_set_colormap(mShell, colormap);
+ GdkColormap *colormap = gdk_screen_get_rgba_colormap(screen);
+ gtk_widget_set_colormap(mShell, colormap);
#else
- GdkVisual *visual = gdk_screen_get_rgba_visual(screen);
- gtk_widget_set_visual(mShell, visual);
+ GdkVisual *visual = gdk_screen_get_rgba_visual(screen);
+ gtk_widget_set_visual(mShell, visual);
#endif
- }
}
// We only move a general managed toplevel window if someone has
@@ -3755,24 +3860,56 @@ nsWindow::Create(nsIWidget* aParent,
mContainer = MOZ_CONTAINER(container);
#if (MOZ_WIDGET_GTK == 3)
- // "csd" style is set when widget is realized so we need to call
- // it explicitly now.
- gtk_widget_realize(mShell);
-
- // We can't draw directly to top-level window when client side
- // decorations are enabled. We use container with GdkWindow instead.
- GtkStyleContext* style = gtk_widget_get_style_context(mShell);
- shellHasCSD = gtk_style_context_has_class(style, "csd");
-#endif
- if (!shellHasCSD) {
- // Use mShell's window for drawing and events.
- gtk_widget_set_has_window(container, FALSE);
- // Prevent GtkWindow from painting a background to flicker.
- gtk_widget_set_app_paintable(mShell, TRUE);
+ /* There are tree possible situations here:
+ *
+ * 1) We're running on Gtk+ < 3.20 without any decorations. Content
+ * is rendered to mShell window and we listen Gtk+ events on mShell.
+ * 2) We're running on Gtk+ > 3.20 and window decorations are drawn
+ * by default by Gtk+. Content is rendered to mContainer,
+ * we listen events on mContainer. mShell contains default Gtk+
+ * window decorations rendered by Gtk+.
+ * 3) We're running on Gtk+ > 3.20 and both window decorations and
+ * content is rendered by gecko. We emulate Gtk+ decoration rendering
+ * to mShell and we need to listen Gtk events on both mShell
+ * and mContainer.
+ */
+
+ // When client side decorations are enabled (rendered by us or by Gtk+)
+ // the decoration is rendered to mShell (toplevel) window and
+ // we draw our content to mContainer.
+ if (mIsCSDEnabled) {
+ drawToContainer = true;
+ } else {
+ // mIsCSDEnabled can be disabled by preference so look at actual
+ // toplevel window style to to detect active "csd" style.
+ // The "csd" style is set when widget is realized so we need to call
+ // it explicitly now.
+ gtk_widget_realize(mShell);
+
+ GtkStyleContext* style = gtk_widget_get_style_context(mShell);
+ drawToContainer = gtk_style_context_has_class(style, "csd");
}
- // Set up event widget
- eventWidget = shellHasCSD ? container : mShell;
+#endif
+ drawWidget = (drawToContainer) ? container : mShell;
+ // When we draw decorations on our own we need to handle resize events
+ // because Gtk+ does not provide resizers for undecorated windows.
+ // The CSD on mShell borders act as resize handlers
+ // so we need to listen there.
+ eventWidget = (drawToContainer && !mIsCSDEnabled) ? container : mShell;
+
gtk_widget_add_events(eventWidget, kEvents);
+ if (eventWidget != drawWidget) {
+ // CSD is rendered by us (not by Gtk+) so we also need to listen
+ // at mShell window for events.
+ gtk_widget_add_events(drawWidget, kEvents);
+ }
+
+ // Prevent GtkWindow from painting a background to flicker.
+ gtk_widget_set_app_paintable(drawWidget, TRUE);
+
+ // gtk_container_add() realizes the child widget so we need to
+ // set it now.
+ gtk_widget_set_has_window(container, drawToContainer);
gtk_container_add(GTK_CONTAINER(mShell), container);
gtk_widget_realize(container);
@@ -3782,7 +3919,7 @@ nsWindow::Create(nsIWidget* aParent,
gtk_widget_grab_focus(container);
// the drawing window
- mGdkWindow = gtk_widget_get_window(eventWidget);
+ mGdkWindow = gtk_widget_get_window(drawWidget);
if (mWindowType == eWindowType_popup) {
// gdk does not automatically set the cursor for "temporary"
@@ -3855,6 +3992,11 @@ nsWindow::Create(nsIWidget* aParent,
// label the drawing window with this object so we can find our way home
g_object_set_data(G_OBJECT(mGdkWindow), "nsWindow", this);
+ if (mIsCSDEnabled) {
+ // label the CSD window with this object so we can find our way home
+ g_object_set_data(G_OBJECT(gtk_widget_get_window(mShell)),
+ "nsWindow", this);
+ }
if (mContainer)
g_object_set_data(G_OBJECT(mContainer), "nsWindow", this);
@@ -3892,6 +4034,10 @@ nsWindow::Create(nsIWidget* aParent,
g_signal_connect_after(default_settings,
"notify::gtk-font-name",
G_CALLBACK(theme_changed_cb), this);
+ if (mIsCSDEnabled) {
+ g_signal_connect(G_OBJECT(mShell), "draw",
+ G_CALLBACK(expose_event_decoration_draw_cb), nullptr);
+ }
}
if (mContainer) {
@@ -3942,7 +4088,7 @@ nsWindow::Create(nsIWidget* aParent,
G_CALLBACK(drag_data_received_event_cb), nullptr);
GtkWidget *widgets[] = { GTK_WIDGET(mContainer),
- !shellHasCSD ? mShell : nullptr };
+ !drawToContainer ? mShell : nullptr };
for (size_t i = 0; i < ArrayLength(widgets) && widgets[i]; ++i) {
// Visibility events are sent to the owning widget of the relevant
// window but do not propagate to parent widgets so connect on
@@ -3972,7 +4118,6 @@ nsWindow::Create(nsIWidget* aParent,
// Don't let GTK mess with the shapes of our GdkWindows
GTK_PRIVATE_SET_FLAG(eventWidget, GTK_HAS_SHAPE_MASK);
#endif
-
// These events are sent to the owning widget of the relevant window
// and propagate up to the first widget that handles the events, so we
// need only connect on mShell, if it exists, to catch events on its
@@ -4109,6 +4254,12 @@ nsWindow::NativeResize()
size.width, size.height));
if (mIsTopLevel) {
+ // When we draw decorations add extra space to draw shadows
+ // around the main window.
+ if (mDrawWindowDecoration) {
+ size.width += mDecorationSize.left + mDecorationSize.right;
+ size.height += mDecorationSize.top + mDecorationSize.bottom;
+ }
gtk_window_resize(GTK_WINDOW(mShell), size.width, size.height);
}
else if (mContainer) {
@@ -4165,6 +4316,11 @@ nsWindow::NativeMoveResize()
if (mIsTopLevel) {
// x and y give the position of the window manager frame top-left.
gtk_window_move(GTK_WINDOW(mShell), topLeft.x, topLeft.y);
+
+ if (mDrawWindowDecoration) {
+ size.width += mDecorationSize.left + mDecorationSize.right;
+ size.height += mDecorationSize.top + mDecorationSize.bottom;
+ }
// This sets the client window size.
gtk_window_resize(GTK_WINDOW(mShell), size.width, size.height);
}
@@ -5523,6 +5679,33 @@ expose_event_cb(GtkWidget *widget, cairo_t *cr)
return FALSE;
}
+
+/* static */
+gboolean
+expose_event_decoration_draw_cb(GtkWidget *widget, cairo_t *cr)
+{
+ GdkWindow* gdkWindow = gtk_widget_get_window(widget);
+ if (gtk_cairo_should_draw_window(cr, gdkWindow)) {
+ RefPtr<nsWindow> window = get_window_for_gtk_widget(widget);
+ if (!window) {
+ NS_WARNING("Cannot get nsWindow from GtkWidget");
+ }
+ else if (window->IsClientDecorated()) {
+ cairo_save(cr);
+ gtk_cairo_transform_to_window(cr, widget, gdkWindow);
+
+ GdkRectangle rect = {0,0,0,0};
+ gtk_window_get_size(GTK_WINDOW(widget), &rect.width, &rect.height);
+ moz_gtk_window_decoration_paint(cr, &rect);
+
+ rect.height = 40;
+ moz_gtk_header_bar_paint(cr, &rect);
+ cairo_restore(cr);
+ }
+ }
+ return TRUE;
+}
+
#endif //MOZ_WIDGET_GTK == 2
static gboolean
@@ -6575,6 +6758,28 @@ nsWindow::ClearCachedResources()
}
}
+NS_IMETHODIMP
+nsWindow::SetNonClientMargins(LayoutDeviceIntMargin &aMargins)
+{
+ SetDrawsInTitlebar(aMargins.top == 0);
+ return NS_OK;
+}
+
+void
+nsWindow::SetDrawsInTitlebar(bool aState)
+{
+ if (!mIsCSDEnabled || aState == mDrawWindowDecoration)
+ return;
+
+ if (mShell) {
+ gtk_window_set_decorated(GTK_WINDOW(mShell), !aState);
+ gtk_widget_set_app_paintable(mShell, aState);
+ }
+
+ mDrawWindowDecoration = aState;
+ UpdateClientDecorations();
+}
+
gint
nsWindow::GdkScaleFactor()
{
@@ -6845,6 +7050,157 @@ nsWindow::SynthesizeNativeTouchPoint(uint32_t aPointerId,
}
#endif
+bool
+nsWindow::IsClientDecorated() const
+{
+ return mDrawWindowDecoration && mSizeState == nsSizeMode_Normal;
+}
+
+int
+nsWindow::GetClientResizerSize()
+{
+ if (!mShell)
+ return 0;
+
+ // GTK uses a default size of 20px as of 3.20.
+ gint size = 20;
+ gtk_widget_style_get(mShell, "decoration-resize-handle", &size, nullptr);
+
+ return GdkCoordToDevicePixels(size);
+}
+
+nsWindow::CSDSupportLevel
+nsWindow::GetCSDSupportLevel() {
+ if (mCSDSupportLevel != CSD_SUPPORT_UNKNOWN) {
+ return mCSDSupportLevel;
+ }
+ // TODO: MATE
+ const char* currentDesktop = getenv("XDG_CURRENT_DESKTOP");
+ if (currentDesktop) {
+ if (strcmp(currentDesktop, "GNOME") == 0) {
+ mCSDSupportLevel = CSD_SUPPORT_FULL;
+ } else if (strcmp(currentDesktop, "XFCE") == 0) {
+ mCSDSupportLevel = CSD_SUPPORT_FULL;
+ } else if (strcmp(currentDesktop, "X-Cinnamon") == 0) {
+ mCSDSupportLevel = CSD_SUPPORT_FULL;
+ } else if (strcmp(currentDesktop, "KDE") == 0) {
+ mCSDSupportLevel = CSD_SUPPORT_FLAT;
+ } else if (strcmp(currentDesktop, "LXDE") == 0) {
+ mCSDSupportLevel = CSD_SUPPORT_FLAT;
+ } else if (strcmp(currentDesktop, "openbox") == 0) {
+ mCSDSupportLevel = CSD_SUPPORT_FLAT;
+ } else if (strcmp(currentDesktop, "i3") == 0) {
+ mCSDSupportLevel = CSD_SUPPORT_NONE;
+ } else {
+ mCSDSupportLevel = CSD_SUPPORT_NONE;
+ }
+ }
+ return mCSDSupportLevel;
+}
+
+void
+nsWindow::UpdateClientDecorations()
+{
+ // When the CSD is not fully supported by window manager (ie. WM is not
+ // expecting that application is going to draw window shadows) we can't
+ // add shadows widths to the window margin. That would lead to completely
+ // opaque black border of the window.
+ if (!mDrawWindowDecoration || GetCSDSupportLevel() != CSD_SUPPORT_FULL)
+ return;
+
+ gint top = 0, right = 0, bottom = 0, left = 0;
+ if (mSizeState == nsSizeMode_Normal) {
+ moz_gtk_get_window_border(&top, &right, &bottom, &left);
+ }
+
+ static auto sGdkWindowSetShadowWidth =
+ (void (*)(GdkWindow*, gint, gint, gint, gint))
+ dlsym(RTLD_DEFAULT, "gdk_window_set_shadow_width");
+ sGdkWindowSetShadowWidth(gtk_widget_get_window(mShell),
+ left, right, top, bottom);
+
+ mDecorationSize.left = left;
+ mDecorationSize.right = right;
+ mDecorationSize.top = top;
+ mDecorationSize.bottom = bottom;
+
+ // Gtk+ doesn't like when we set mContainer margin bigger than actual
+ // mContainer window size. That happens when we're called early and the
+ // mShell/mContainer is not allocated/resized yet and has default 1x1 size.
+ // Just resize to some minimal value which will be changed
+ // by Gecko soon.
+ GtkAllocation allocation;
+ gtk_widget_get_allocation(GTK_WIDGET(mContainer), &allocation);
+ if (allocation.width < left + right || allocation.height < top + bottom) {
+ gtk_widget_get_preferred_width(GTK_WIDGET(mContainer), nullptr,
+ &allocation.width);
+ gtk_widget_get_preferred_height(GTK_WIDGET(mContainer), nullptr,
+ &allocation.height);
+ allocation.width += left + right + 1;
+ allocation.height += top + bottom + 1;
+ gtk_widget_size_allocate(GTK_WIDGET(mContainer), &allocation);
+ }
+
+ gtk_widget_set_margin_left(GTK_WIDGET(mContainer), mDecorationSize.left);
+ gtk_widget_set_margin_right(GTK_WIDGET(mContainer), mDecorationSize.right);
+ gtk_widget_set_margin_top(GTK_WIDGET(mContainer), mDecorationSize.top);
+ gtk_widget_set_margin_bottom(GTK_WIDGET(mContainer), mDecorationSize.bottom);
+}
+
+void
+nsWindow::ApplyCSDClipping()
+{
+ if (IsClientDecorated()) {
+ gint top, right, bottom, left;
+ moz_gtk_get_header_bar_border(&top, &right, &bottom, &left);
+ cairo_rectangle_int_t rect = { 0, top, mBounds.width, mBounds.height};
+ cairo_region_t *region = cairo_region_create_rectangle(&rect);
+ gdk_window_shape_combine_region(mGdkWindow, region, 0, 0);
+ cairo_region_destroy(region);
+ } else {
+ gdk_window_shape_combine_region(mGdkWindow, nullptr, 0, 0);
+ }
+}
+
+bool
+nsWindow::CheckResizerEdge(LayoutDeviceIntPoint aPoint, GdkWindowEdge& aOutEdge)
+{
+ gint scale = GdkScaleFactor();
+ gint left = scale * mDecorationSize.left;
+ gint top = scale * mDecorationSize.top;
+ gint right = scale * mDecorationSize.right;
+ gint bottom = scale * mDecorationSize.bottom;
+
+ int resizerSize = GetClientResizerSize();
+ int topDist = aPoint.y;
+ int leftDist = aPoint.x;
+ int rightDist = mBounds.width - aPoint.x;
+ int bottomDist = mBounds.height - aPoint.y;
+
+ //TODO -> wrong sizes
+
+ if (leftDist <= resizerSize && topDist <= resizerSize) {
+ aOutEdge = GDK_WINDOW_EDGE_NORTH_WEST;
+ } else if (rightDist <= resizerSize && topDist <= resizerSize) {
+ aOutEdge = GDK_WINDOW_EDGE_NORTH_EAST;
+ } else if (leftDist <= resizerSize && bottomDist <= resizerSize) {
+ aOutEdge = GDK_WINDOW_EDGE_SOUTH_WEST;
+ } else if (rightDist <= resizerSize && bottomDist <= resizerSize) {
+ aOutEdge = GDK_WINDOW_EDGE_SOUTH_EAST;
+ } else if (topDist <= top) {
+ aOutEdge = GDK_WINDOW_EDGE_NORTH;
+ } else if (leftDist <= left) {
+ aOutEdge = GDK_WINDOW_EDGE_WEST;
+ } else if (rightDist <= right) {
+ aOutEdge = GDK_WINDOW_EDGE_EAST;
+ } else if (bottomDist <= bottom) {
+ aOutEdge = GDK_WINDOW_EDGE_SOUTH;
+ } else {
+ return false;
+ }
+ return true;
+}
+
int32_t
nsWindow::RoundsWidgetCoordinatesTo()
{
diff --git a/widget/gtk/nsWindow.h b/widget/gtk/nsWindow.h
index f7c07d57491b..d9a07316a52c 100644
--- a/widget/gtk/nsWindow.h
+++ b/widget/gtk/nsWindow.h
@@ -123,6 +123,7 @@ public:
double aHeight,
bool aRepaint) override;
virtual bool IsEnabled() const override;
+ bool IsComposited() const;
void SetZIndex(int32_t aZIndex) override;
virtual void SetSizeMode(nsSizeMode aMode) override;
@@ -351,6 +352,9 @@ public:
#endif
virtual void GetCompositorWidgetInitData(mozilla::widget::CompositorWidgetInitData* aInitData) override;
+ NS_IMETHOD SetNonClientMargins(LayoutDeviceIntMargin& aMargins) override;
+ void SetDrawsInTitlebar(bool aState) override;
+
// HiDPI scale conversion
gint GdkScaleFactor();
@@ -367,6 +371,9 @@ public:
LayoutDeviceIntRect GdkRectToDevicePixels(GdkRectangle rect);
virtual bool WidgetTypeSupportsAcceleration() override;
+
+ // Decorations
+ bool IsClientDecorated() const;
protected:
virtual ~nsWindow();
@@ -384,6 +391,16 @@ protected:
virtual void RegisterTouchWindow() override;
+ int GetClientResizerSize();
+
+ // Informs the window manager about the size of the shadows surrounding
+ // a client-side decorated window.
+ void UpdateClientDecorations();
+
+ // Returns true if the given point (in device pixels) is within a resizer
+ // region of the window. Only used when drawing decorations client side.
+ bool CheckResizerEdge(LayoutDeviceIntPoint aPoint, GdkWindowEdge& aOutEdge);
+
nsCOMPtr<nsIWidget> mParent;
// Is this a toplevel window?
bool mIsTopLevel;
@@ -432,12 +449,12 @@ private:
gint* aRootX, gint* aRootY);
void ClearCachedResources();
nsIWidgetListener* GetListener();
- bool IsComposited() const;
-
+ void ApplyCSDClipping();
GtkWidget *mShell;
MozContainer *mContainer;
GdkWindow *mGdkWindow;
+ bool mIsCSDEnabled;
PlatformCompositorWidgetDelegate* mCompositorWidgetDelegate;
@@ -536,6 +553,10 @@ private:
// leaving fullscreen
nsSizeMode mLastSizeMode;
+ // If true, draw our own window decorations (where supported).
+ bool mDrawWindowDecoration;
+ GtkBorder mDecorationSize;
+
static bool DragInProgress(void);
void DispatchMissedButtonReleases(GdkEventCrossing *aGdkEvent);
@@ -567,6 +588,17 @@ private:
RefPtr<mozilla::widget::IMContextWrapper> mIMContext;
mozilla::UniquePtr<mozilla::CurrentX11TimeGetter> mCurrentTimeGetter;
+ typedef enum { CSD_SUPPORT_FULL, // CSD including shadows
+ CSD_SUPPORT_FLAT, // CSD without shadows
+ CSD_SUPPORT_NONE, // WM does not support CSD at all
+ CSD_SUPPORT_UNKNOWN
+ } CSDSupportLevel;
+ /**
+ * Get the support of Client Side Decoration by checking
+ * the XDG_CURRENT_DESKTOP environment variable.
+ */
+ CSDSupportLevel GetCSDSupportLevel();
+ CSDSupportLevel mCSDSupportLevel;
};
#endif /* __nsWindow_h__ */
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