fl_display_monitor.h File Reference

#include <gdk/gdk.h>
#include "flutter/shell/platform/embedder/embedder.h"
#include "flutter/shell/platform/linux/public/flutter_linux/fl_engine.h"

Go to the source code of this file.

Functions
G_BEGIN_DECLS	G_DECLARE_FINAL_TYPE (FlDisplayMonitor, fl_display_monitor, FL, DISPLAY_MONITOR, GObject)
FlDisplayMonitor *	fl_display_monitor_new (FlEngine *engine, GdkDisplay *display)
void	fl_display_monitor_start (FlDisplayMonitor *monitor)
FlutterEngineDisplayId	fl_display_monitor_get_display_id (FlDisplayMonitor *monitor, GdkMonitor *gdk_monitor)

Function Documentation

fl_display_monitor_get_display_id()

FlutterEngineDisplayId fl_display_monitor_get_display_id	(	FlDisplayMonitor *	monitor,
		GdkMonitor *	gdk_monitor
	)

fl_display_monitor_get_display_id: @monitor: an #FlDisplayMonitor. @gdk_monitor: GDK monitor to get display ID for.

Get the ID Flutter is using for a given monitor.

Returns: an ID or 0 if unknown.

Definition at line 115 of file fl_display_monitor.cc.

                                                                              {
  g_return_val_if_fail(FL_IS_DISPLAY_MONITOR(self), 0);
  return GPOINTER_TO_INT(
      g_hash_table_lookup(self->display_ids_by_monitor, monitor));
}

Referenced by handle_geometry_changed().

fl_display_monitor_new()

FlDisplayMonitor* fl_display_monitor_new	(	FlEngine *	engine,
		GdkDisplay *	display
	)

fl_display_monitor_new: @engine: engine to update. @display: display to monitor.

Creates a new object to keep the engine updated with the currently used displays. In GDK, a display is called a "monitor".

Returns: a new #FlDisplayMontior.

Definition at line 94 of file fl_display_monitor.cc.

                                                              {
  FlDisplayMonitor* self =
      FL_DISPLAY_MONITOR(g_object_new(fl_display_monitor_get_type(), nullptr));
  g_weak_ref_init(&self->engine, engine);
  self->display = GDK_DISPLAY(g_object_ref(display));
  return self;
}

Referenced by fl_engine_init(), and TEST().

fl_display_monitor_start()

void fl_display_monitor_start

(

FlDisplayMonitor *

monitor

)

fl_display_monitor_start: @monitor: an #FlDisplayMonitor.

Start monitoring for display changes.

Definition at line 103 of file fl_display_monitor.cc.

                                                      {
  g_return_if_fail(FL_IS_DISPLAY_MONITOR(self));
 
  g_signal_connect_object(self->display, "monitor-added",
                          G_CALLBACK(monitor_added_cb), self,
                          G_CONNECT_SWAPPED);
  g_signal_connect_object(self->display, "monitor-removed",
                          G_CALLBACK(monitor_removed_cb), self,
                          G_CONNECT_SWAPPED);
  notify_display_update(self);
}

References monitor_added_cb(), monitor_removed_cb(), and notify_display_update().

Referenced by fl_engine_start(), and TEST().

G_DECLARE_FINAL_TYPE()

G_BEGIN_DECLS G_DECLARE_FINAL_TYPE	(	FlDisplayMonitor	,
		fl_display_monitor	,
		FL	,
		DISPLAY_MONITOR	,
		GObject
	)