git diff

1 files changed, 370 insertions, 0 deletions

diff --git a/D49289-wayland-monitor-size.diff b/D49289-wayland-monitor-size.diff
new file mode 100644
index 0000000..ff2ce05
--- /dev/null
+++ b/D49289-wayland-monitor-size.diff
@@ -0,0 +1,370 @@
+diff --git a/layout/xul/nsMenuPopupFrame.cpp b/layout/xul/nsMenuPopupFrame.cpp
+--- a/layout/xul/nsMenuPopupFrame.cpp
++++ b/layout/xul/nsMenuPopupFrame.cpp
+@@ -1502,7 +1502,7 @@
+ 
+   nscoord oldAlignmentOffset = mAlignmentOffset;
+ 
+-  bool inWayland = false;
++  static bool inWayland = false;
+ #ifdef MOZ_WAYLAND
+   inWayland = !GDK_IS_X11_DISPLAY(gdk_display_get_default());
+ #endif
+@@ -1512,9 +1512,9 @@
+   // However, if a panel is already constrained or flipped (mIsOffset), then we
+   // want to continue to calculate this. Also, always do this for content
+   // shells, so that the popup doesn't extend outside the containing frame.
+-  if (!inWayland && (mInContentShell || (mFlip != FlipType_None &&
+-                                         (!aIsMove || mIsOffset ||
+-                                          mPopupType != ePopupTypePanel)))) {
++  if (mInContentShell ||
++      (mFlip != FlipType_None &&
++       (!aIsMove || mIsOffset || mPopupType != ePopupTypePanel))) {
+     int32_t appPerDev = presContext->AppUnitsPerDevPixel();
+     LayoutDeviceIntRect anchorRectDevPix =
+         LayoutDeviceIntRect::FromAppUnitsToNearest(anchorRect, appPerDev);
+@@ -1532,60 +1532,66 @@
+     if (mRect.width > screenRect.width) mRect.width = screenRect.width;
+     if (mRect.height > screenRect.height) mRect.height = screenRect.height;
+ 
+-    // at this point the anchor (anchorRect) is within the available screen
+-    // area (screenRect) and the popup is known to be no larger than the screen.
++    // We can't get the subsequent change of the popup position under
++    // waylande where gdk_window_move_to_rect is used to place them
++    // because we don't know the absolute position of the window on the screen.
++    if (!inWayland) {
++      // at this point the anchor (anchorRect) is within the available screen
++      // area (screenRect) and the popup is known to be no larger than the
++      // screen.
+ 
+-    // We might want to "slide" an arrow if the panel is of the correct type -
+-    // but we can only slide on one axis - the other axis must be "flipped or
+-    // resized" as normal.
+-    bool slideHorizontal = false, slideVertical = false;
+-    if (mFlip == FlipType_Slide) {
+-      int8_t position = GetAlignmentPosition();
+-      slideHorizontal = position >= POPUPPOSITION_BEFORESTART &&
+-                        position <= POPUPPOSITION_AFTEREND;
+-      slideVertical = position >= POPUPPOSITION_STARTBEFORE &&
+-                      position <= POPUPPOSITION_ENDAFTER;
+-    }
++      // We might want to "slide" an arrow if the panel is of the correct type -
++      // but we can only slide on one axis - the other axis must be "flipped or
++      // resized" as normal.
++      bool slideHorizontal = false, slideVertical = false;
++      if (mFlip == FlipType_Slide) {
++        int8_t position = GetAlignmentPosition();
++        slideHorizontal = position >= POPUPPOSITION_BEFORESTART &&
++                          position <= POPUPPOSITION_AFTEREND;
++        slideVertical = position >= POPUPPOSITION_STARTBEFORE &&
++                        position <= POPUPPOSITION_ENDAFTER;
++      }
+ 
+-    // Next, check if there is enough space to show the popup at full size when
+-    // positioned at screenPoint. If not, flip the popups to the opposite side
+-    // of their anchor point, or resize them as necessary.
+-    bool endAligned = IsDirectionRTL()
+-                          ? mPopupAlignment == POPUPALIGNMENT_TOPLEFT ||
+-                                mPopupAlignment == POPUPALIGNMENT_BOTTOMLEFT
+-                          : mPopupAlignment == POPUPALIGNMENT_TOPRIGHT ||
+-                                mPopupAlignment == POPUPALIGNMENT_BOTTOMRIGHT;
+-    nscoord preOffsetScreenPoint = screenPoint.x;
+-    if (slideHorizontal) {
+-      mRect.width = SlideOrResize(screenPoint.x, mRect.width, screenRect.x,
+-                                  screenRect.XMost(), &mAlignmentOffset);
+-    } else {
+-      mRect.width = FlipOrResize(
+-          screenPoint.x, mRect.width, screenRect.x, screenRect.XMost(),
+-          anchorRect.x, anchorRect.XMost(), margin.left, margin.right,
+-          offsetForContextMenu.x, hFlip, endAligned, &mHFlip);
+-    }
+-    mIsOffset = preOffsetScreenPoint != screenPoint.x;
++      // Next, check if there is enough space to show the popup at full size
++      // when positioned at screenPoint. If not, flip the popups to the opposite
++      // side of their anchor point, or resize them as necessary.
++      bool endAligned = IsDirectionRTL()
++                            ? mPopupAlignment == POPUPALIGNMENT_TOPLEFT ||
++                                  mPopupAlignment == POPUPALIGNMENT_BOTTOMLEFT
++                            : mPopupAlignment == POPUPALIGNMENT_TOPRIGHT ||
++                                  mPopupAlignment == POPUPALIGNMENT_BOTTOMRIGHT;
++      nscoord preOffsetScreenPoint = screenPoint.x;
++      if (slideHorizontal) {
++        mRect.width = SlideOrResize(screenPoint.x, mRect.width, screenRect.x,
++                                    screenRect.XMost(), &mAlignmentOffset);
++      } else {
++        mRect.width = FlipOrResize(
++            screenPoint.x, mRect.width, screenRect.x, screenRect.XMost(),
++            anchorRect.x, anchorRect.XMost(), margin.left, margin.right,
++            offsetForContextMenu.x, hFlip, endAligned, &mHFlip);
++      }
++      mIsOffset = preOffsetScreenPoint != screenPoint.x;
+ 
+-    endAligned = mPopupAlignment == POPUPALIGNMENT_BOTTOMLEFT ||
+-                 mPopupAlignment == POPUPALIGNMENT_BOTTOMRIGHT;
+-    preOffsetScreenPoint = screenPoint.y;
+-    if (slideVertical) {
+-      mRect.height = SlideOrResize(screenPoint.y, mRect.height, screenRect.y,
+-                                   screenRect.YMost(), &mAlignmentOffset);
+-    } else {
+-      mRect.height = FlipOrResize(
+-          screenPoint.y, mRect.height, screenRect.y, screenRect.YMost(),
+-          anchorRect.y, anchorRect.YMost(), margin.top, margin.bottom,
+-          offsetForContextMenu.y, vFlip, endAligned, &mVFlip);
++      endAligned = mPopupAlignment == POPUPALIGNMENT_BOTTOMLEFT ||
++                   mPopupAlignment == POPUPALIGNMENT_BOTTOMRIGHT;
++      preOffsetScreenPoint = screenPoint.y;
++      if (slideVertical) {
++        mRect.height = SlideOrResize(screenPoint.y, mRect.height, screenRect.y,
++                                     screenRect.YMost(), &mAlignmentOffset);
++      } else {
++        mRect.height = FlipOrResize(
++            screenPoint.y, mRect.height, screenRect.y, screenRect.YMost(),
++            anchorRect.y, anchorRect.YMost(), margin.top, margin.bottom,
++            offsetForContextMenu.y, vFlip, endAligned, &mVFlip);
++      }
++      mIsOffset = mIsOffset || (preOffsetScreenPoint != screenPoint.y);
++
++      NS_ASSERTION(screenPoint.x >= screenRect.x &&
++                       screenPoint.y >= screenRect.y &&
++                       screenPoint.x + mRect.width <= screenRect.XMost() &&
++                       screenPoint.y + mRect.height <= screenRect.YMost(),
++                   "Popup is offscreen");
+     }
+-    mIsOffset = mIsOffset || (preOffsetScreenPoint != screenPoint.y);
+-
+-    NS_ASSERTION(screenPoint.x >= screenRect.x &&
+-                     screenPoint.y >= screenRect.y &&
+-                     screenPoint.x + mRect.width <= screenRect.XMost() &&
+-                     screenPoint.y + mRect.height <= screenRect.YMost(),
+-                 "Popup is offscreen");
+   }
+ 
+   // snap the popup's position in screen coordinates to device pixels,
+@@ -1687,6 +1693,14 @@
+         screen->GetAvailRect(&screenRectPixels.x, &screenRectPixels.y,
+                              &screenRectPixels.width, &screenRectPixels.height);
+     }
++#ifdef MOZ_WAYLAND
++    else {
++      if (GetWidget() &&
++          GetWidget()->GetScreenRect(&screenRectPixels) != NS_OK) {
++        NS_WARNING("Cannot get screen rect from widget!");
++      }
++    }
++#endif
+   }
+ 
+   if (mInContentShell) {
+diff --git a/widget/ScreenManager.cpp b/widget/ScreenManager.cpp
+--- a/widget/ScreenManager.cpp
++++ b/widget/ScreenManager.cpp
+@@ -11,6 +11,11 @@
+ #include "mozilla/dom/DOMTypes.h"
+ #include "mozilla/Logging.h"
+ #include "mozilla/StaticPtr.h"
++#ifdef MOZ_WAYLAND
++#  include <gdk/gdk.h>
++#  include <gdk/gdkx.h>
++#  include <gdk/gdkwayland.h>
++#endif /* MOZ_WAYLAND */
+ 
+ static mozilla::LazyLogModule sScreenLog("WidgetScreen");
+ 
+@@ -104,6 +109,15 @@
+ NS_IMETHODIMP
+ ScreenManager::ScreenForRect(int32_t aX, int32_t aY, int32_t aWidth,
+                              int32_t aHeight, nsIScreen** aOutScreen) {
++#ifdef MOZ_WAYLAND
++  static bool inWayland = !GDK_IS_X11_DISPLAY(gdk_display_get_default());
++
++  if (inWayland) {
++    *aOutScreen = nullptr;
++    return NS_OK;
++  }
++#endif
++
+   if (mScreenList.IsEmpty()) {
+     MOZ_LOG(sScreenLog, LogLevel::Warning,
+             ("No screen available. This can happen in xpcshell."));
+diff --git a/widget/gtk/nsWindow.h b/widget/gtk/nsWindow.h
+--- a/widget/gtk/nsWindow.h
++++ b/widget/gtk/nsWindow.h
+@@ -398,6 +398,9 @@
+   static bool HideTitlebarByDefault();
+   static bool GetTopLevelWindowActiveState(nsIFrame* aFrame);
+   static bool TitlebarCanUseShapeMask();
++#ifdef MOZ_WAYLAND
++  virtual nsresult GetScreenRect(LayoutDeviceIntRect* aRect) override;
++#endif
+ 
+  protected:
+   virtual ~nsWindow();
+@@ -630,6 +633,7 @@
+   void HideWaylandTooltips();
+   void HideWaylandPopupAndAllChildren();
+   void CleanupWaylandPopups();
++  GtkWindow* GetCurrentTopmostWindow();
+ 
+   /**
+    * |mIMContext| takes all IME related stuff.
+diff --git a/widget/gtk/nsWindow.cpp b/widget/gtk/nsWindow.cpp
+--- a/widget/gtk/nsWindow.cpp
++++ b/widget/gtk/nsWindow.cpp
+@@ -1294,10 +1294,14 @@
+     GdkWindow* window, const GdkRectangle* flipped_rect,
+     const GdkRectangle* final_rect, gboolean flipped_x, gboolean flipped_y,
+     void* aWindow) {
+-  LOG(("%s [%p] flipped %d %d\n", __FUNCTION__, aWindow, flipped_rect->x,
+-       flipped_rect->y));
+-  LOG(("%s [%p] final %d %d\n", __FUNCTION__, aWindow, final_rect->x,
+-       final_rect->y));
++  LOG(("%s [%p] flipped_x %d flipped_y %d\n", __FUNCTION__, aWindow, flipped_x,
++       flipped_y));
++
++  LOG(("%s [%p] flipped %d %d w:%d h:%d\n", __FUNCTION__, aWindow,
++       flipped_rect->x, flipped_rect->y, flipped_rect->width,
++       flipped_rect->height));
++  LOG(("%s [%p] final %d %d w:%d h:%d\n", __FUNCTION__, aWindow, final_rect->x,
++       final_rect->y, final_rect->width, final_rect->height));
+ }
+ #endif
+ 
+@@ -1384,6 +1388,16 @@
+     HideWaylandWindow();
+   }
+ 
++  LOG(
++      ("nsWindow::NativeMoveResizeWaylandPopup [%p]: requested rect: x%d y%d "
++       "w%d h%d\n",
++       this, rect.x, rect.y, rect.width, rect.height));
++  if (aSize) {
++    LOG(("  aSize: x%d y%d w%d h%d\n", aSize->x, aSize->y, aSize->width,
++         aSize->height));
++  } else {
++    LOG(("  No aSize given"));
++  }
+   sGdkWindowMoveToRect(gdkWindow, &rect, rectAnchor, menuAnchor, hints, 0, 0);
+ 
+   if (isWidgetVisible) {
+@@ -1399,7 +1413,8 @@
+   LOG(("nsWindow::NativeMove [%p] %d %d\n", (void*)this, point.x, point.y));
+ 
+   if (IsWaylandPopup()) {
+-    NativeMoveResizeWaylandPopup(&point, nullptr);
++    GdkRectangle size = DevicePixelsToGdkSizeRoundUp(mBounds.Size());
++    NativeMoveResizeWaylandPopup(&point, &size);
+   } else if (mIsTopLevel) {
+     gtk_window_move(GTK_WINDOW(mShell), point.x, point.y);
+   } else if (mGdkWindow) {
+@@ -6724,6 +6739,16 @@
+   }
+ }
+ 
++GtkWindow* nsWindow::GetCurrentTopmostWindow() {
++  GtkWindow* parentWindow = GTK_WINDOW(GetGtkWidget());
++  GtkWindow* topmostParentWindow;
++  while (parentWindow) {
++    topmostParentWindow = parentWindow;
++    parentWindow = gtk_window_get_transient_for(parentWindow);
++  }
++  return topmostParentWindow;
++}
++
+ gint nsWindow::GdkScaleFactor() {
+   GdkWindow* scaledGdkWindow = mGdkWindow;
+   if (!mIsX11Display) {
+@@ -6732,12 +6757,7 @@
+     // not updated during it's hidden.
+     if (mWindowType == eWindowType_popup || mWindowType == eWindowType_dialog) {
+       // Get toplevel window for scale factor:
+-      GtkWindow* parentWindow = GTK_WINDOW(GetGtkWidget());
+-      GtkWindow* topmostParentWindow;
+-      while (parentWindow) {
+-        topmostParentWindow = parentWindow;
+-        parentWindow = gtk_window_get_transient_for(parentWindow);
+-      }
++      GtkWindow* topmostParentWindow = GetCurrentTopmostWindow();
+       if (topmostParentWindow) {
+         scaledGdkWindow =
+             gtk_widget_get_window(GTK_WIDGET(topmostParentWindow));
+@@ -7268,6 +7288,41 @@
+   return window.forget();
+ }
+ 
++#ifdef MOZ_WAYLAND
++nsresult nsWindow::GetScreenRect(LayoutDeviceIntRect* aRect) {
++  typedef struct _GdkMonitor GdkMonitor;
++  static auto s_gdk_display_get_monitor_at_window =
++      (GdkMonitor * (*)(GdkDisplay*, GdkWindow*))
++          dlsym(RTLD_DEFAULT, "gdk_display_get_monitor_at_window");
++
++  static auto s_gdk_monitor_get_workarea =
++      (void (*)(GdkMonitor*, GdkRectangle*))dlsym(RTLD_DEFAULT,
++                                                  "gdk_monitor_get_workarea");
++
++  if (!s_gdk_display_get_monitor_at_window || !s_gdk_monitor_get_workarea) {
++    return NS_ERROR_NOT_IMPLEMENTED;
++  }
++
++  GtkWindow* topmostParentWindow = GetCurrentTopmostWindow();
++  GdkWindow* gdkWindow = gtk_widget_get_window(GTK_WIDGET(topmostParentWindow));
++
++  GdkMonitor* monitor =
++      s_gdk_display_get_monitor_at_window(gdk_display_get_default(), gdkWindow);
++  if (monitor) {
++    GdkRectangle workArea;
++    s_gdk_monitor_get_workarea(monitor, &workArea);
++    aRect->x = workArea.x;
++    aRect->y = workArea.y;
++    aRect->width = workArea.width;
++    aRect->height = workArea.height;
++    LOG(("  workarea for [%p], monitor %p: x%d y%d w%d h%d\n", this, monitor,
++         workArea.x, workArea.y, workArea.width, workArea.height));
++    return NS_OK;
++  }
++  return NS_ERROR_NOT_IMPLEMENTED;
++}
++#endif
++
+ bool nsWindow::GetTopLevelWindowActiveState(nsIFrame* aFrame) {
+   // Used by window frame and button box rendering. We can end up in here in
+   // the content process when rendering one of these moz styles freely in a
+diff --git a/widget/moz.build b/widget/moz.build
+--- a/widget/moz.build
++++ b/widget/moz.build
+@@ -210,7 +210,6 @@
+     'PuppetBidiKeyboard.cpp',
+     'PuppetWidget.cpp',
+     'Screen.cpp',
+-    'ScreenManager.cpp',
+     'SharedWidgetUtils.cpp',
+     'TextEventDispatcher.cpp',
+     'VsyncDispatcher.cpp',
+@@ -242,6 +241,7 @@
+ SOURCES += [
+     'nsBaseDragService.cpp',
+     'nsBaseWidget.cpp',
++    'ScreenManager.cpp',
+ ]
+ 
+ if CONFIG['MOZ_INSTRUMENT_EVENT_LOOP']:
+diff --git a/widget/nsIWidget.h b/widget/nsIWidget.h
+--- a/widget/nsIWidget.h
++++ b/widget/nsIWidget.h
+@@ -1713,6 +1713,15 @@
+     return NS_ERROR_NOT_IMPLEMENTED;
+   }
+ 
++  // Get rectangle of the screen where the window is placed.
++  // It's used to detect popup overflow under Wayland because
++  // Screenmanager does not work under it.
++#ifdef MOZ_WAYLAND
++  virtual nsresult GetScreenRect(LayoutDeviceIntRect* aRect) {
++    return NS_ERROR_NOT_IMPLEMENTED;
++  }
++#endif
++
+  private:
+   class LongTapInfo {
+    public:
+