Option taskbar_hide_inactive_tasks (issue 458)

git-svn-id: http://tint2.googlecode.com/svn/trunk@732 121b4492-b84c-0410-8b4c-0d4edfb3f3cc

src/config.c

@@ -497,6 +497,9 @@ void add_entry (char *key, char *value)
 		if (value2) taskbarname_active_font.alpha = (atoi (value2) / 100.0);
 		else taskbarname_active_font.alpha = 0.5;
 	}
+	else if (strcmp (key, "taskbar_hide_inactive_tasks") == 0) {
+		hide_inactive_tasks = atoi (value);
+	}
 
 	/* Task */
 	else if (strcmp (key, "task_text") == 0)

src/taskbar/task.c

@@ -541,6 +541,19 @@ void set_task_state(Task *tsk, int state)
 					tsk1->area.redraw = 1;
 				if (state == TASK_ACTIVE && g_slist_find(urgent_list, tsk1))
 					del_urgent(tsk1);
+				// Show only the active task
+				if (hide_inactive_tasks) {
+					if (state != TASK_ACTIVE) {
+						tsk1->area.on_screen = 0;
+					} else {
+						tsk1->area.on_screen = 1;
+					}
+					set_task_redraw(tsk1);
+					Panel *p = (Panel*)tsk->area.panel;
+					tsk->area.resize = 1;
+					p->taskbar->area.resize = 1;
+					p->area.resize = 1;
+				}
 			}
 			panel_refresh = 1;
 		}

src/taskbar/taskbar.c

@@ -43,6 +43,7 @@ Task *task_active;
 Task *task_drag;
 int taskbar_enabled;
 int taskbar_distribute_size;
+int hide_inactive_tasks;
 
 guint win_hash(gconstpointer key) { return (guint)*((Window*)key); }
 gboolean win_compare(gconstpointer a, gconstpointer b) { return (*((Window*)a) == *((Window*)b)); }
@@ -56,6 +57,7 @@ void default_taskbar()
 	urgent_list = 0;
 	taskbar_enabled = 0;
 	taskbar_distribute_size = 0;
+	hide_inactive_tasks = 0;
 	default_taskbarname();
 }
 

src/taskbar/taskbar.h

@@ -17,6 +17,7 @@ extern Task *task_active;
 extern Task *task_drag;
 extern int taskbar_enabled;
 extern int taskbar_distribute_size;
+extern int hide_inactive_tasks;
 
 typedef struct {
 	// always start with area

src/tint2conf/properties.c

@@ -41,6 +41,7 @@ GtkWidget *panel_background;
 
 // taskbar
 GtkWidget *taskbar_show_desktop, *taskbar_show_name, *taskbar_padding_x, *taskbar_padding_y, *taskbar_spacing;
+GtkWidget *taskbar_hide_inactive_tasks;
 GtkWidget *taskbar_name_padding_x, *taskbar_name_inactive_color, *taskbar_name_active_color, *taskbar_name_font;
 GtkWidget *taskbar_active_background, *taskbar_inactive_background;
 GtkWidget *taskbar_name_active_background, *taskbar_name_inactive_background;
@@ -1875,7 +1876,7 @@ void create_taskbar(GtkWidget *parent)
 {
 	GtkWidget *table, *label;
 
-	table = gtk_table_new(2, 2, FALSE);
+	table = gtk_table_new(3, 2, FALSE);
 	gtk_widget_show(table);
 	gtk_box_pack_start(GTK_BOX(parent), table, FALSE, FALSE, 0);
 	gtk_table_set_row_spacings(GTK_TABLE(table), ROW_SPACING);
@@ -1899,6 +1900,15 @@ void create_taskbar(GtkWidget *parent)
 	gtk_widget_show(taskbar_show_name);
 	gtk_table_attach(GTK_TABLE(table), taskbar_show_name, 1, 2, 1, 2, GTK_FILL, 0, 0, 0);
 
+	label = gtk_label_new(_("Hide inactive tasks"));
+	gtk_misc_set_alignment(GTK_MISC(label), 0, 0);
+	gtk_widget_show(label);
+	gtk_table_attach(GTK_TABLE(table), label, 0, 1, 2, 3, GTK_FILL, 0, 0, 0);
+
+	taskbar_hide_inactive_tasks = gtk_check_button_new();
+	gtk_widget_show(taskbar_hide_inactive_tasks);
+	gtk_table_attach(GTK_TABLE(table), taskbar_hide_inactive_tasks, 1, 2, 2, 3, GTK_FILL, 0, 0, 0);
+
 	change_paragraph(parent);
 
 	label = gtk_label_new(_("<b>Taskbar Appearance</b>"));

src/tint2conf/properties.h

@@ -46,6 +46,7 @@ extern GtkWidget *panel_background;
 
 // taskbar
 extern GtkWidget *taskbar_show_desktop, *taskbar_show_name, *taskbar_padding_x, *taskbar_padding_y, *taskbar_spacing;
+extern GtkWidget *taskbar_hide_inactive_tasks;
 extern GtkWidget *taskbar_name_padding_x, *taskbar_name_inactive_color, *taskbar_name_active_color, *taskbar_name_font;
 extern GtkWidget *taskbar_active_background, *taskbar_inactive_background;
 extern GtkWidget *taskbar_name_active_background, *taskbar_name_inactive_background;

src/tint2conf/properties_rw.c

@@ -191,6 +191,7 @@ void config_write_taskbar(FILE *fp)
 	fprintf(fp, "taskbar_background_id = %d\n", 1 + gtk_combo_box_get_active(GTK_COMBO_BOX(taskbar_inactive_background)));
 	fprintf(fp, "taskbar_active_background_id = %d\n", 1 + gtk_combo_box_get_active(GTK_COMBO_BOX(taskbar_active_background)));
 	fprintf(fp, "taskbar_name = %d\n", gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(taskbar_show_name)) ? 1 : 0);
+	fprintf(fp, "taskbar_hide_inactive_tasks = %d\n", gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(taskbar_hide_inactive_tasks)) ? 1 : 0);
 	fprintf(fp,
 			"taskbar_name_padding = %d\n",
 			(int)gtk_spin_button_get_value(GTK_SPIN_BUTTON(taskbar_name_padding_x)));
@@ -871,6 +872,9 @@ void add_entry(char *key, char *value)
 	else if (strcmp(key, "taskbar_name") == 0) {
 		gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(taskbar_show_name), atoi(value));
 	}
+	else if (strcmp(key, "taskbar_hide_inactive_tasks") == 0) {
+		gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(taskbar_hide_inactive_tasks), atoi(value));
+	}
 	else if (strcmp(key, "taskbar_name_padding") == 0) {
 		extract_values(value, &value1, &value2, &value3);
 		gtk_spin_button_set_value(GTK_SPIN_BUTTON(taskbar_name_padding_x), atoi(value1));