Flutter Linux Embedder
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.

116  {
117  g_return_val_if_fail(FL_IS_DISPLAY_MONITOR(self), 0);
118  return GPOINTER_TO_INT(
119  g_hash_table_lookup(self->display_ids_by_monitor, monitor));
120 }

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.

95  {
96  FlDisplayMonitor* self =
97  FL_DISPLAY_MONITOR(g_object_new(fl_display_monitor_get_type(), nullptr));
98  g_weak_ref_init(&self->engine, engine);
99  self->display = GDK_DISPLAY(g_object_ref(display));
100  return self;
101 }

Referenced by fl_engine_start(), 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.

103  {
104  g_return_if_fail(FL_IS_DISPLAY_MONITOR(self));
105 
106  g_signal_connect_object(self->display, "monitor-added",
107  G_CALLBACK(monitor_added_cb), self,
108  G_CONNECT_SWAPPED);
109  g_signal_connect_object(self->display, "monitor-removed",
110  G_CALLBACK(monitor_removed_cb), self,
111  G_CONNECT_SWAPPED);
112  notify_display_update(self);
113 }

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   
)
monitor_added_cb
static void monitor_added_cb(FlDisplayMonitor *self, GdkMonitor *monitor)
Definition: fl_display_monitor.cc:64
monitor_removed_cb
static void monitor_removed_cb(FlDisplayMonitor *self, GdkMonitor *monitor)
Definition: fl_display_monitor.cc:68
notify_display_update
static void notify_display_update(FlDisplayMonitor *self)
Definition: fl_display_monitor.cc:27