main window: save maximized state in gsettings on exit

and load it on startup

adapted from
https://git.gnome.org/browse/gnome-system-monitor/commit/?id=edf4163bb2e9ad1dd9b8a5b7c7244ccd8753d4b5

4 files changed, 24 insertions, 6 deletions

diff --git a/src/interface.cpp b/src/interface.cpp
index ca18c63..1a851aa 100644
--- a/src/interface.cpp
+++ b/src/interface.cpp
@@ -727,6 +727,9 @@ create_main_window (ProcData *procdata)
     gtk_window_set_default_size (GTK_WINDOW (app), width, height);
     gtk_window_move(GTK_WINDOW (app), xpos, ypos);
     gtk_window_set_resizable (GTK_WINDOW (app), TRUE);
+    if (procdata->config.maximized) {
+        gtk_window_maximize(GTK_WINDOW(app));
+    }
 
     /* create the menubar */
     procdata->uimanager = gtk_ui_manager_new ();
diff --git a/src/org.mate.system-monitor.gschema.xml.in b/src/org.mate.system-monitor.gschema.xml.in
index aa694a9..3c301c8 100644
--- a/src/org.mate.system-monitor.gschema.xml.in
+++ b/src/org.mate.system-monitor.gschema.xml.in
@@ -5,6 +5,10 @@
       <default>(700, 500, 50, 50)</default>
       <summary>Main window size and position in the form (width, height, xpos, ypos)</summary>
     </key>
+    <key name="maximized" type="b">
+      <default>false</default>
+      <summary>If TRUE, main window will open maximized, and saved size and position values are ignored.</summary>
+    </key>
     <key name="show-tree" type="b">
       <default>false</default>
       <summary>Show process dependencies in tree form</summary>
diff --git a/src/procman.cpp b/src/procman.cpp
index 7f851cb..65502ce 100644
--- a/src/procman.cpp
+++ b/src/procman.cpp
@@ -253,6 +253,8 @@ procman_data_new (GSettings *settings)
                     &pd->config.width, &pd->config.height,
                     &pd->config.xpos, &pd->config.ypos);
 
+    pd->config.maximized = g_settings_get_boolean(settings, "maximized");
+
     pd->config.show_tree = g_settings_get_boolean (settings, "show-tree");
     g_signal_connect (G_OBJECT(settings), "changed::show-tree", G_CALLBACK(tree_changed_cb), pd);
 
@@ -511,13 +513,21 @@ procman_save_config (ProcData *data)
 
     g_assert(data);
 
-    data->config.width = gdk_window_get_width(gtk_widget_get_window(data->app));
-    data->config.height = gdk_window_get_height(gtk_widget_get_window(data->app));
-    gtk_window_get_position(GTK_WINDOW(data->app), &data->config.xpos, &data->config.ypos);
+    data->config.maximized = gdk_window_get_state(gtk_widget_get_window (data->app)) & GDK_WINDOW_STATE_MAXIMIZED;
+    if (!data->config.maximized) {
+        // we only want to store/overwrite size and position info with non-maximized state info
+        data->config.width = gdk_window_get_width(gtk_widget_get_window(data->app));
+        data->config.height = gdk_window_get_height(gtk_widget_get_window(data->app));
+
+        gtk_window_get_position(GTK_WINDOW(data->app), &data->config.xpos, &data->config.ypos);
+
+        g_settings_set (settings, "window-state", "(iiii)",
+                        data->config.width, data->config.height,
+                        data->config.xpos, data->config.ypos);
+    }
+
+    g_settings_set_boolean (settings, "maximized", data->config.maximized);
 
-    g_settings_set (settings, "window-state", "(iiii)",
-                    data->config.width, data->config.height,
-                    data->config.xpos, data->config.ypos);
     g_settings_set_int (settings, "current-tab", data->config.current_tab);
 }
 
diff --git a/src/procman.h b/src/procman.h
index 388f0e6..d3db85c 100644
--- a/src/procman.h
+++ b/src/procman.h
@@ -88,6 +88,7 @@ struct ProcConfig
     gint        height;
     gint        xpos;
     gint        ypos;
+    gboolean    maximized;
     gboolean    show_kill_warning;
     gboolean    show_tree;
     gboolean    show_all_fs;