diff options
Diffstat (limited to 'applets/wncklet/wayland-backend.c')
| -rw-r--r-- | applets/wncklet/wayland-backend.c | 400 |
1 files changed, 382 insertions, 18 deletions
diff --git a/applets/wncklet/wayland-backend.c b/applets/wncklet/wayland-backend.c index 658eb6d3..f10b2d65 100644 --- a/applets/wncklet/wayland-backend.c +++ b/applets/wncklet/wayland-backend.c @@ -26,25 +26,45 @@ #endif #include <gdk/gdkwayland.h> +#include <gio/gdesktopappinfo.h> #include "wayland-backend.h" #include "wayland-protocol/wlr-foreign-toplevel-management-unstable-v1-client.h" -static const int window_button_width = 140; +/*shorter than wnck-tasklist due to common use of larger fonts*/ +#define TASKLIST_TEXT_MAX_WIDTH 16 + +/*In the future this could be changable from the panel-prefs dialog*/ +static const int max_button_width = 180; +static const int icon_size = 16; + +typedef struct +{ + GtkWidget *menu; + GtkWidget *maximize; + GtkWidget *minimize; + GtkWidget *on_top; + GtkWidget *close; +} ContextMenu; typedef struct { GtkWidget *list; GtkWidget *outer_box; + ContextMenu *context_menu; struct zwlr_foreign_toplevel_manager_v1 *manager; } TasklistManager; typedef struct { GtkWidget *button; + GtkWidget *icon; GtkWidget *label; struct zwlr_foreign_toplevel_handle_v1 *toplevel; gboolean active; + gboolean maximized; + gboolean minimized; + gboolean fullscreen; } ToplevelTask; static const char *tasklist_manager_key = "tasklist_manager"; @@ -55,9 +75,10 @@ static struct wl_registry *wl_registry_global = NULL; static uint32_t foreign_toplevel_manager_global_id = 0; static uint32_t foreign_toplevel_manager_global_version = 0; -static TasklistManager *tasklist_manager_new (); static ToplevelTask *toplevel_task_new (TasklistManager *tasklist, struct zwlr_foreign_toplevel_handle_v1 *handle); +guint buttons, tasklist_width; + static void wl_registry_handle_global (void *_data, struct wl_registry *registry, @@ -92,7 +113,7 @@ static const struct wl_registry_listener wl_registry_listener = { }; static void -wayland_tasklist_init_if_needed () +wayland_tasklist_init_if_needed (void) { if (has_initialized) return; @@ -120,7 +141,7 @@ foreign_toplevel_manager_handle_toplevel (void *data, { TasklistManager *tasklist = data; ToplevelTask *task = toplevel_task_new (tasklist, toplevel); - gtk_box_pack_start (GTK_BOX (tasklist->list), task->button, TRUE, TRUE, 2); + gtk_box_pack_start (GTK_BOX (tasklist->list), task->button, TRUE, TRUE, 0); } static void @@ -162,16 +183,84 @@ tasklist_manager_disconnected_from_widget (TasklistManager *tasklist) if (tasklist->manager) zwlr_foreign_toplevel_manager_v1_stop (tasklist->manager); + + if (tasklist->context_menu) + { + gtk_widget_destroy (tasklist->context_menu->menu); + g_free (tasklist->context_menu); + tasklist->context_menu = NULL; + } +} + +static void +menu_on_maximize (GtkMenuItem *item, gpointer user_data) +{ + ToplevelTask *task = g_object_get_data (G_OBJECT (item), toplevel_task_key); + if (task->toplevel) { + if (task->maximized) { + zwlr_foreign_toplevel_handle_v1_unset_maximized (task->toplevel); + } else { + zwlr_foreign_toplevel_handle_v1_set_maximized (task->toplevel); + } + } +} + +static void +menu_on_minimize (GtkMenuItem *item, gpointer user_data) +{ + ToplevelTask *task = g_object_get_data (G_OBJECT (item), toplevel_task_key); + if (task->toplevel) { + if (task->minimized) { + zwlr_foreign_toplevel_handle_v1_unset_minimized (task->toplevel); + } else { + zwlr_foreign_toplevel_handle_v1_set_minimized (task->toplevel); + } + } +} + +static void +menu_on_close (GtkMenuItem *item, gpointer user_data) +{ + ToplevelTask *task = g_object_get_data (G_OBJECT (item), toplevel_task_key); + if (task->toplevel) { + zwlr_foreign_toplevel_handle_v1_close (task->toplevel); + } +} + +static ContextMenu * +context_menu_new () +{ + ContextMenu *menu = g_new0 (ContextMenu, 1); + menu->menu = gtk_menu_new (); + menu->maximize = gtk_menu_item_new (); + menu->minimize = gtk_menu_item_new (); + menu->on_top = gtk_check_menu_item_new_with_label ("Always On Top"); + menu->close = gtk_menu_item_new_with_label ("Close"); + + gtk_menu_shell_append (GTK_MENU_SHELL (menu->menu), menu->maximize); + gtk_menu_shell_append (GTK_MENU_SHELL (menu->menu), menu->minimize); + gtk_menu_shell_append (GTK_MENU_SHELL (menu->menu), gtk_separator_menu_item_new ()); + gtk_menu_shell_append (GTK_MENU_SHELL (menu->menu), menu->on_top); + gtk_menu_shell_append (GTK_MENU_SHELL (menu->menu), gtk_separator_menu_item_new ()); + gtk_menu_shell_append (GTK_MENU_SHELL (menu->menu), menu->close); + + gtk_widget_show_all (menu->menu); + + g_signal_connect (menu->maximize, "activate", G_CALLBACK (menu_on_maximize), NULL); + g_signal_connect (menu->minimize, "activate", G_CALLBACK (menu_on_minimize), NULL); + g_signal_connect (menu->close, "activate", G_CALLBACK (menu_on_close), NULL); + gtk_widget_set_sensitive (menu->on_top, FALSE); + return menu; } static TasklistManager * -tasklist_manager_new () +tasklist_manager_new (void) { if (!foreign_toplevel_manager_global_id) return NULL; TasklistManager *tasklist = g_new0 (TasklistManager, 1); - tasklist->list = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 2); + tasklist->list = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0); gtk_box_set_homogeneous (GTK_BOX (tasklist->list), TRUE); tasklist->outer_box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0); gtk_box_pack_start (GTK_BOX (tasklist->outer_box), tasklist->list, FALSE, FALSE, 0); @@ -187,6 +276,7 @@ tasklist_manager_new () tasklist_manager_key, tasklist, (GDestroyNotify)tasklist_manager_disconnected_from_widget); + tasklist->context_menu = context_menu_new (); return tasklist; } @@ -208,7 +298,27 @@ foreign_toplevel_handle_app_id (void *data, struct zwlr_foreign_toplevel_handle_v1 *toplevel, const char *app_id) { - /* ignore */ + ToplevelTask *task = data; + + gchar *app_id_lower = g_utf8_strdown (app_id, -1); + gchar *desktop_app_id = g_strdup_printf ("%s.desktop", app_id_lower); + GDesktopAppInfo *app_info = g_desktop_app_info_new (desktop_app_id); + + if (app_info) { + GIcon *icon = g_app_info_get_icon (G_APP_INFO (app_info)); + if (icon) { + gtk_image_set_from_gicon (GTK_IMAGE (task->icon), icon, GTK_ICON_SIZE_MENU); + goto cleanup; + } + } + gtk_image_set_from_icon_name (GTK_IMAGE (task->icon), app_id_lower, GTK_ICON_SIZE_MENU); + +cleanup: + if (app_info) { + g_object_unref (G_OBJECT (app_info)); + } + g_free (app_id_lower); + g_free (desktop_app_id); } static void @@ -235,6 +345,9 @@ foreign_toplevel_handle_state (void *data, ToplevelTask *task = data; task->active = FALSE; + task->maximized = FALSE; + task->minimized = FALSE; + task->fullscreen = FALSE; enum zwlr_foreign_toplevel_handle_v1_state *i; wl_array_for_each (i, state) @@ -244,7 +357,15 @@ foreign_toplevel_handle_state (void *data, case ZWLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_ACTIVATED: task->active = TRUE; break; - + case ZWLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_MAXIMIZED: + task->maximized = TRUE; + break; + case ZWLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_MINIMIZED: + task->minimized = TRUE; + break; + case ZWLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_FULLSCREEN: + task->fullscreen = TRUE; + break; default: break; } @@ -265,10 +386,87 @@ foreign_toplevel_handle_closed (void *data, struct zwlr_foreign_toplevel_handle_v1 *toplevel) { ToplevelTask *task = data; + if (task->button) + { + GtkOrientation orient; + GtkWidget *button; + GtkWidget *box; + GtkWidget *outer_box = gtk_widget_get_parent (GTK_WIDGET (task->button)); gtk_widget_destroy (task->button); -} + buttons = buttons -1; + + if (buttons == 0) + return; + /* We don't need to modify button size on a vertical panel*/ + orient = gtk_orientable_get_orientation (GTK_ORIENTABLE (outer_box)); + if (orient == GTK_ORIENTATION_VERTICAL) + return; + + /* Horizontal panel: if buttons can now fit + * with both labels and icons show them + */ + if (tasklist_width / buttons > icon_size * 3) + { + GList* children = gtk_container_get_children (GTK_CONTAINER (outer_box)); + while (children != NULL) + { + button = GTK_WIDGET (children->data); + + /* If maximum width buttons fix, expand to that dimension*/ + if (buttons * max_button_width < tasklist_width) + gtk_widget_set_size_request (button, max_button_width, -1); + + /* Otherwise expand remaining buttons to fill the tasklist*/ + else + gtk_widget_set_size_request (button, tasklist_width / buttons, -1); + + gtk_widget_show_all (button); + children = children->next; + } + } + /* If buttons with icons will fit, bring them back*/ + else if (tasklist_width / buttons > icon_size * 2) + { + GtkWidget *widget; + GList* children = gtk_container_get_children (GTK_CONTAINER (outer_box)); + while (children != NULL) + { + button = GTK_WIDGET (children->data); + box = gtk_bin_get_child (GTK_BIN (button)); + GList* contents = gtk_container_get_children (GTK_CONTAINER (box)); + while (contents != NULL) + { + widget = GTK_WIDGET (contents->data); + if (GTK_IS_LABEL (widget)) + gtk_widget_hide (widget); + + if (GTK_IS_IMAGE (widget)) + gtk_widget_show (widget); + + contents = contents->next; + gtk_widget_show (box); + gtk_widget_show (button); + } + + children = children->next; + gtk_widget_set_size_request (button, tasklist_width / buttons, -1); + } + } + /* If we still cannot fit labels or icons, just fill the available space*/ + else + { + GList* children = gtk_container_get_children (GTK_CONTAINER (outer_box)); + while (children != NULL) + { + button = GTK_WIDGET (children->data); + gtk_widget_set_size_request (button, tasklist_width / buttons, -1); + children = children->next; + } + } + } +} static const struct zwlr_foreign_toplevel_handle_v1_listener foreign_toplevel_handle_listener = { .title = foreign_toplevel_handle_title, @@ -286,6 +484,7 @@ toplevel_task_disconnected_from_widget (ToplevelTask *task) struct zwlr_foreign_toplevel_handle_v1 *toplevel = task->toplevel; task->button = NULL; + task->icon = NULL; task->label = NULL; task->toplevel = NULL; @@ -314,13 +513,25 @@ toplevel_task_handle_clicked (GtkButton *button, ToplevelTask *task) } } -static gboolean on_toplevel_button_press (GtkWidget *widget, GdkEvent *event, gpointer user_data) +static gboolean on_toplevel_button_press (GtkWidget *button, GdkEvent *event, TasklistManager *tasklist) { /* Assume event is a button press */ if (((GdkEventButton*)event)->button == GDK_BUTTON_SECONDARY) { - /* Returning true for secondary clicks suppresses the applet's default context menu, - * which we do not want to show up for task buttons */ + ContextMenu *menu = tasklist->context_menu; + ToplevelTask *task = g_object_get_data (G_OBJECT (button), toplevel_task_key); + + g_object_set_data (G_OBJECT (menu->maximize), toplevel_task_key, task); + g_object_set_data (G_OBJECT (menu->minimize), toplevel_task_key, task); + g_object_set_data (G_OBJECT (menu->close), toplevel_task_key, task); + + gtk_menu_item_set_label (GTK_MENU_ITEM (menu->minimize), + task->minimized ? "Unminimize" : "Minimize"); + gtk_menu_item_set_label (GTK_MENU_ITEM (menu->maximize), + task->maximized ? "Unmaximize" : "Maximize"); + + gtk_menu_popup_at_widget (GTK_MENU (menu->menu), button, + GDK_GRAVITY_NORTH_WEST, GDK_GRAVITY_SOUTH_WEST, event); return TRUE; } else @@ -333,18 +544,172 @@ static ToplevelTask * toplevel_task_new (TasklistManager *tasklist, struct zwlr_foreign_toplevel_handle_v1 *toplevel) { ToplevelTask *task = g_new0 (ToplevelTask, 1); + GtkWidget *button; + GtkOrientation orient; + buttons = buttons + 1; + orient = gtk_orientable_get_orientation (GTK_ORIENTABLE (tasklist->outer_box)); task->button = gtk_button_new (); g_signal_connect (task->button, "clicked", G_CALLBACK (toplevel_task_handle_clicked), task); + task->icon = gtk_image_new_from_icon_name ("unknown", icon_size); + task->label = gtk_label_new (""); - gtk_label_set_max_width_chars (GTK_LABEL (task->label), 1); - gtk_widget_set_size_request (task->label, window_button_width, -1); + gtk_label_set_max_width_chars (GTK_LABEL (task->label), TASKLIST_TEXT_MAX_WIDTH); gtk_label_set_ellipsize (GTK_LABEL (task->label), PANGO_ELLIPSIZE_END); - gtk_container_add (GTK_CONTAINER(task->button), task->label); + gtk_label_set_xalign (GTK_LABEL (task->label), 0.0); + + GtkWidget *box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0); + gtk_box_pack_start (GTK_BOX (box), task->icon, FALSE, FALSE, 6); + gtk_box_pack_start (GTK_BOX (box), task->label, TRUE, TRUE, 2); + gtk_container_add (GTK_CONTAINER (task->button), box); + gtk_widget_set_name (task->button , "tasklist-button"); gtk_widget_show_all (task->button); + /* Buttons on a vertical panel are not affected by how many are needed + * GTK handles compressing contents as needed as the window width tells + * GTK how much space to allocate the label and icon. Buttons will use + * the full width of a vertical panel without any special attention + * so break out here instead of breaking the vertical panel case + */ + + if (orient == GTK_ORIENTATION_VERTICAL) + { + gtk_widget_show_all (task->button); + task->toplevel = toplevel; + zwlr_foreign_toplevel_handle_v1_add_listener (toplevel, + &foreign_toplevel_handle_listener, + task); + g_object_set_data_full (G_OBJECT (task->button), + toplevel_task_key, + task, + (GDestroyNotify)toplevel_task_disconnected_from_widget); + + g_signal_connect (task->button, "button-press-event", + G_CALLBACK (on_toplevel_button_press), + tasklist); + + return task; + } + + /* On horizontal panels, GTK does not by default limit the width of the tasklist + * as it does not run out of space in the window until the entire panel is used, + * leaving buttons at full width until then and overflowing all other applets + * + * Thus we must get the tasklist's allocated width when extra space remains, + * which will be most of the distance between the handle and the next applet + * From there, we can expand buttons and/or hide elements as needed + */ + + + tasklist_width = gtk_widget_get_allocated_width (GTK_WIDGET (tasklist->outer_box)); + + /* First button can be buggy with this so hardcode it to expand to the limit */ + if (buttons == 1) + gtk_widget_set_size_request (task->button, max_button_width, -1); + + /* if the number of buttons forces width to less than 3x the icon size, shrink them */ + if ((buttons != 0) && (tasklist_width > 1 )&& (tasklist_width / buttons < (icon_size * 3))) + { + /* adjust the current button first or it can be missed */ + if (tasklist_width / buttons > icon_size * 2) + { + gtk_widget_hide (task->label); + gtk_widget_show (task->icon); + } + else + { + gtk_widget_show (task->label); + gtk_widget_hide (task->icon); + } + gtk_widget_show (box); + gtk_widget_show (task->button); + + /* iterate over all the buttons, first hide labels + * then hide icons and bring back labels + */ + GtkWidget *widget; + + GList* children = gtk_container_get_children (GTK_CONTAINER (tasklist->list)); + while (children != NULL) + { + button = GTK_WIDGET (children->data); + box = gtk_bin_get_child (GTK_BIN (button)); + + /* hide labels of all buttons but show icons if only icons will fit */ + if (tasklist_width / buttons > icon_size * 2) + { + /* find the icon and the label, show just the icon */ + GList* contents = gtk_container_get_children (GTK_CONTAINER (box)); + + while (contents != NULL) + { + widget = GTK_WIDGET (contents->data); + if (GTK_IS_LABEL (widget)) + gtk_widget_hide (widget); + + if (GTK_IS_IMAGE (widget)) + gtk_widget_show (widget); + + contents = contents->next; + } + } + else + { + /* find the icon and the label, show just the label as it is more + * compressable than the icon. Though less meaningful at this size, + * it is enough to keep the tasklist from disappearing on themes + * that do not set borders around tasklist buttons. + * This is same behavior as on x11 save that an extreme number of + * buttons (50+ on 700px of space) can still overflow + */ + + GList* contents = gtk_container_get_children (GTK_CONTAINER (box)); + while (contents != NULL) + { + widget = GTK_WIDGET (contents->data); + if (GTK_IS_LABEL (widget)) + gtk_widget_show (widget); + + if (GTK_IS_IMAGE (widget)) + gtk_widget_hide (widget); + + contents = contents->next; + } + } + /*expand buttons with labels or everything hidden to fit remaining space*/ + gtk_widget_set_size_request (button, tasklist_width / buttons, -1); + /*show the button and any contents that fit, then get the next button*/ + gtk_widget_show (box); + gtk_widget_show (button); + + children = children->next; + } + } + else + { + GList* children = gtk_container_get_children (GTK_CONTAINER(tasklist->list)); + while (children != NULL) + { + button = GTK_WIDGET (children->data); + if (((buttons ) * max_button_width < tasklist_width) || (buttons == 1)) + + /*Don't let buttons expand over the maximum button size*/ + gtk_widget_set_size_request (button, max_button_width, -1); + + else + /*if full width buttons won't fit, size them to just fill the tasklist*/ + gtk_widget_set_size_request (button, tasklist_width / buttons, -1); + + children = children->next; + } + gtk_widget_show_all (task->button); + } + + /*Reset the tasklist width after button adjustments*/ + tasklist_width = gtk_widget_get_allocated_width (GTK_WIDGET (tasklist->outer_box)); + task->toplevel = toplevel; zwlr_foreign_toplevel_handle_v1_add_listener (toplevel, &foreign_toplevel_handle_listener, @@ -354,10 +719,9 @@ toplevel_task_new (TasklistManager *tasklist, struct zwlr_foreign_toplevel_handl task, (GDestroyNotify)toplevel_task_disconnected_from_widget); - g_signal_connect (G_OBJECT (task->button), - "button-press-event", + g_signal_connect (task->button, "button-press-event", G_CALLBACK (on_toplevel_button_press), - task); + tasklist); return task; } |