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This is a composition of these patches for Firefox 60:
https://bugzilla.mozilla.org/show_bug.cgi?id=1441665
https://bugzilla.mozilla.org/show_bug.cgi?id=1456898
https://bugzilla.mozilla.org/show_bug.cgi?id=1457309
https://bugzilla.mozilla.org/show_bug.cgi?id=1457691
which fix popup window placement at CSD window mode.
diff -up firefox-60.0/widget/gtk/gtk3drawing.cpp.old firefox-60.0/widget/gtk/gtk3drawing.cpp
--- firefox-60.0/widget/gtk/gtk3drawing.cpp.old 2018-04-26 22:07:36.000000000 +0200
+++ firefox-60.0/widget/gtk/gtk3drawing.cpp 2018-04-30 11:59:06.750866104 +0200
@@ -38,6 +38,16 @@ static ToolbarGTKMetrics sToolbarMetrics
#define GTK_STATE_FLAG_CHECKED (1 << 11)
#endif
+static GtkBorder
+operator+=(GtkBorder& first, const GtkBorder& second)
+{
+ first.left += second.left;
+ first.right += second.right;
+ first.top += second.top;
+ first.bottom += second.bottom;
+ return first;
+}
+
static gint
moz_gtk_get_tab_thickness(GtkStyleContext *style);
@@ -3056,6 +3066,76 @@ GetScrollbarMetrics(GtkOrientation aOrie
return metrics;
}
+/*
+ * get_shadow_width() from gtkwindow.c is not public so we need
+ * to implement it.
+ */
+bool
+GetCSDDecorationSize(GtkWindow *aGtkWindow, GtkBorder* aDecorationSize)
+{
+ GtkStyleContext* context = gtk_widget_get_style_context(GTK_WIDGET(aGtkWindow));
+ bool solidDecorations = gtk_style_context_has_class(context, "solid-csd");
+ context = GetStyleContext(solidDecorations ?
+ MOZ_GTK_WINDOW_DECORATION_SOLID :
+ MOZ_GTK_WINDOW_DECORATION);
+
+ /* Always sum border + padding */
+ GtkBorder padding;
+ GtkStateFlags state = gtk_style_context_get_state(context);
+ gtk_style_context_get_border(context, state, aDecorationSize);
+ gtk_style_context_get_padding(context, state, &padding);
+ *aDecorationSize += padding;
+
+ // Available on GTK 3.20+.
+ static auto sGtkRenderBackgroundGetClip =
+ (void (*)(GtkStyleContext*, gdouble, gdouble, gdouble, gdouble, GdkRectangle*))
+ dlsym(RTLD_DEFAULT, "gtk_render_background_get_clip");
+
+ GtkBorder margin;
+ gtk_style_context_get_margin(context, state, &margin);
+
+ GtkBorder extents = {0, 0, 0, 0};
+ if (sGtkRenderBackgroundGetClip) {
+ /* Get shadow extents but combine with style margin; use the bigger value.
+ */
+ GdkRectangle clip;
+ sGtkRenderBackgroundGetClip(context, 0, 0, 0, 0, &clip);
+
+ extents.top = -clip.y;
+ extents.right = clip.width + clip.x;
+ extents.bottom = clip.height + clip.y;
+ extents.left = -clip.x;
+
+ // Margin is used for resize grip size - it's not present on
+ // popup windows.
+ if (gtk_window_get_window_type(aGtkWindow) != GTK_WINDOW_POPUP) {
+ extents.top = MAX(extents.top, margin.top);
+ extents.right = MAX(extents.right, margin.right);
+ extents.bottom = MAX(extents.bottom, margin.bottom);
+ extents.left = MAX(extents.left, margin.left);
+ }
+ } else {
+ /* If we can't get shadow extents use decoration-resize-handle instead
+ * as a workaround. This is inspired by update_border_windows()
+ * from gtkwindow.c although this is not 100% accurate as we emulate
+ * the extents here.
+ */
+ gint handle;
+ gtk_widget_style_get(GetWidget(MOZ_GTK_WINDOW),
+ "decoration-resize-handle", &handle,
+ NULL);
+
+ extents.top = handle + margin.top;
+ extents.right = handle + margin.right;
+ extents.bottom = handle + margin.bottom;
+ extents.left = handle + margin.left;
+ }
+
+ *aDecorationSize += extents;
+
+ return (sGtkRenderBackgroundGetClip != nullptr);
+}
+
/* cairo_t *cr argument has to be a system-cairo. */
gint
moz_gtk_widget_paint(WidgetNodeType widget, cairo_t *cr,
diff -up firefox-60.0/widget/gtk/gtkdrawing.h.old firefox-60.0/widget/gtk/gtkdrawing.h
--- firefox-60.0/widget/gtk/gtkdrawing.h.old 2018-04-26 22:07:35.000000000 +0200
+++ firefox-60.0/widget/gtk/gtkdrawing.h 2018-04-30 11:59:06.750866104 +0200
@@ -334,6 +334,10 @@ typedef enum {
*/
MOZ_GTK_HEADER_BAR_BUTTON_MAXIMIZE_RESTORE,
+ /* Client-side window decoration node. Available on GTK 3.20+. */
+ MOZ_GTK_WINDOW_DECORATION,
+ MOZ_GTK_WINDOW_DECORATION_SOLID,
+
MOZ_GTK_WIDGET_NODE_COUNT
} WidgetNodeType;
@@ -606,4 +610,17 @@ GetToolbarButtonMetrics(WidgetNodeType a
int
GetGtkHeaderBarButtonLayout(WidgetNodeType* aButtonLayout, int aMaxButtonNums);
+/**
+ * Get size of CSD window extents of given GtkWindow.
+ *
+ * aGtkWindow [IN] Decorated window.
+ * aDecorationSize [OUT] Returns calculated (or estimated) decoration
+ * size of given aGtkWindow.
+ *
+ * returns: True if we have extract decoration size (for GTK 3.20+)
+ * False if we have only an estimation (for GTK+ before 3.20+)
+ */
+bool
+GetCSDDecorationSize(GtkWindow *aGtkWindow, GtkBorder* aDecorationSize);
+
#endif
diff -up firefox-60.0/widget/gtk/nsWindow.cpp.old firefox-60.0/widget/gtk/nsWindow.cpp
--- firefox-60.0/widget/gtk/nsWindow.cpp.old 2018-04-30 12:01:38.788343254 +0200
+++ firefox-60.0/widget/gtk/nsWindow.cpp 2018-04-30 12:00:01.012679502 +0200
@@ -127,6 +127,7 @@ using namespace mozilla::widget;
#endif
#include "nsShmImage.h"
+#include "gtkdrawing.h"
#include "nsIDOMWheelEvent.h"
@@ -3360,6 +3361,10 @@ nsWindow::OnWindowStateEvent(GtkWidget *
aEvent->new_window_state & GDK_WINDOW_STATE_FULLSCREEN);
}
}
+
+ if (mDrawInTitlebar && mCSDSupportLevel == CSD_SUPPORT_CLIENT) {
+ UpdateClientOffsetForCSDWindow();
+ }
}
void
@@ -6556,6 +6561,32 @@ nsWindow::ClearCachedResources()
}
}
+/* nsWindow::UpdateClientOffsetForCSDWindow() is designed to be called from
+ * paint code to update mClientOffset any time. It also propagates
+ * the mClientOffset to child tabs.
+ *
+ * It works only for CSD decorated GtkWindow.
+ */
+void
+nsWindow::UpdateClientOffsetForCSDWindow()
+{
+ // _NET_FRAME_EXTENTS is not set on client decorated windows,
+ // so we need to read offset between mContainer and toplevel mShell
+ // window.
+ if (mSizeState == nsSizeMode_Normal) {
+ GtkBorder decorationSize;
+ GetCSDDecorationSize(GTK_WINDOW(mShell), &decorationSize);
+ mClientOffset = nsIntPoint(decorationSize.left, decorationSize.top);
+ } else {
+ mClientOffset = nsIntPoint(0, 0);
+ }
+
+ // Send a WindowMoved notification. This ensures that TabParent
+ // picks up the new client offset and sends it to the child process
+ // if appropriate.
+ NotifyWindowMoved(mBounds.x, mBounds.y);
+}
+
nsresult
nsWindow::SetNonClientMargins(LayoutDeviceIntMargin &aMargins)
{
@@ -6628,6 +6659,13 @@ nsWindow::SetDrawsInTitlebar(bool aState
mNeedsShow = true;
NativeResize();
+ // When we use system titlebar setup managed by Gtk+ we also get
+ // _NET_FRAME_EXTENTS property for our toplevel window so we can't
+ // update the client offset it here.
+ if (aState) {
+ UpdateClientOffsetForCSDWindow();
+ }
+
gtk_widget_destroy(tmpWindow);
}
}
diff -up firefox-60.0/widget/gtk/nsWindow.h.old firefox-60.0/widget/gtk/nsWindow.h
--- firefox-60.0/widget/gtk/nsWindow.h.old 2018-04-26 22:07:35.000000000 +0200
+++ firefox-60.0/widget/gtk/nsWindow.h 2018-04-30 11:57:33.656146337 +0200
@@ -456,6 +456,8 @@ private:
nsIWidgetListener* GetListener();
bool IsComposited() const;
+ void UpdateClientOffsetForCSDWindow();
+
GtkWidget *mShell;
MozContainer *mContainer;
GdkWindow *mGdkWindow;
diff -up firefox-60.0/widget/gtk/WidgetStyleCache.cpp.old firefox-60.0/widget/gtk/WidgetStyleCache.cpp
--- firefox-60.0/widget/gtk/WidgetStyleCache.cpp.old 2018-04-26 22:07:35.000000000 +0200
+++ firefox-60.0/widget/gtk/WidgetStyleCache.cpp 2018-04-30 13:07:04.170056312 +0200
@@ -1285,6 +1285,22 @@ GetCssNodeStyleInternal(WidgetNodeType a
"MOZ_GTK_HEADER_BAR_BUTTON_RESTORE is used as an icon only!");
return nullptr;
}
+ case MOZ_GTK_WINDOW_DECORATION:
+ {
+ GtkStyleContext* parentStyle =
+ CreateSubStyleWithClass(MOZ_GTK_WINDOW, "csd");
+ style = CreateCSSNode("decoration", parentStyle);
+ g_object_unref(parentStyle);
+ break;
+ }
+ case MOZ_GTK_WINDOW_DECORATION_SOLID:
+ {
+ GtkStyleContext* parentStyle =
+ CreateSubStyleWithClass(MOZ_GTK_WINDOW, "solid-csd");
+ style = CreateCSSNode("decoration", parentStyle);
+ g_object_unref(parentStyle);
+ break;
+ }
default:
return GetWidgetRootStyle(aNodeType);
}
|
