This patch adds the maximize button to the window frame for the windows
which set the MWM_DECOR_MAXIMIZE hint, and it wires it with the shell
via a new method in weston_shell_interface.
Additionally, it also listens for the wm hints coming from the client,
but it doesn't support maximizing a window only vertically or horizontally.
The window will be maximized only when both directions are maximized.
Reviewed-by: Daniel Stone <[email protected]>
---
v4: fixed the warning
desktop-shell/shell.c | 72 +++++++++++++++++++++++-------------
src/compositor.h | 1 +
xwayland/window-manager.c | 93 ++++++++++++++++++++++++++++++++++++++++-------
xwayland/xwayland.h | 2 +
4 files changed, 129 insertions(+), 39 deletions(-)
diff --git a/desktop-shell/shell.c b/desktop-shell/shell.c
index f6d9c79..16a0178 100644
--- a/desktop-shell/shell.c
+++ b/desktop-shell/shell.c
@@ -3000,6 +3000,51 @@ shell_interface_set_fullscreen(struct shell_surface
*shsurf,
set_fullscreen(shsurf, method, framerate, output);
}
+static struct weston_output *
+get_focused_output(struct weston_compositor *compositor)
+{
+ struct weston_seat *seat;
+ struct weston_output *output = NULL;
+
+ wl_list_for_each(seat, &compositor->seat_list, link) {
+ /* Priority has touch focus, then pointer and
+ * then keyboard focus. We should probably have
+ * three for loops and check frist for touch,
+ * then for pointer, etc. but unless somebody has some
+ * objections, I think this is sufficient. */
+ if (seat->touch && seat->touch->focus)
+ output = seat->touch->focus->output;
+ else if (seat->pointer && seat->pointer->focus)
+ output = seat->pointer->focus->output;
+ else if (seat->keyboard && seat->keyboard->focus)
+ output = seat->keyboard->focus->output;
+
+ if (output)
+ break;
+ }
+
+ return output;
+}
+
+static void
+shell_interface_set_maximized(struct shell_surface *shsurf)
+{
+ struct weston_output *output;
+
+ surface_clear_next_states(shsurf);
+ shsurf->next_state.maximized = true;
+ shsurf->state_changed = true;
+ shsurf->type = SHELL_SURFACE_TOPLEVEL;
+
+ if (!weston_surface_is_mapped(shsurf->surface))
+ output = get_focused_output(shsurf->surface->compositor);
+ else
+ output = shsurf->surface->output;
+
+ shell_surface_set_output(shsurf, output);
+ send_configure_for_surface(shsurf);
+}
+
static int
shell_interface_move(struct shell_surface *shsurf, struct weston_seat *ws)
{
@@ -3605,32 +3650,6 @@ get_primary_view(void *shell, struct shell_surface
*shsurf)
return shsurf->view;
}
-static struct weston_output *
-get_focused_output(struct weston_compositor *compositor)
-{
- struct weston_seat *seat;
- struct weston_output *output = NULL;
-
- wl_list_for_each(seat, &compositor->seat_list, link) {
- /* Priority has touch focus, then pointer and
- * then keyboard focus. We should probably have
- * three for loops and check frist for touch,
- * then for pointer, etc. but unless somebody has some
- * objections, I think this is sufficient. */
- if (seat->touch && seat->touch->focus)
- output = seat->touch->focus->output;
- else if (seat->pointer && seat->pointer->focus)
- output = seat->pointer->focus->output;
- else if (seat->keyboard && seat->keyboard->focus)
- output = seat->keyboard->focus->output;
-
- if (output)
- break;
- }
-
- return output;
-}
-
static void
shell_get_shell_surface(struct wl_client *client,
struct wl_resource *resource,
@@ -6629,6 +6648,7 @@ module_init(struct weston_compositor *ec,
ec->shell_interface.resize = surface_resize;
ec->shell_interface.set_title = set_title;
ec->shell_interface.set_window_geometry = set_window_geometry;
+ ec->shell_interface.set_maximized = shell_interface_set_maximized;
weston_layer_init(&shell->fullscreen_layer, &ec->cursor_layer.link);
weston_layer_init(&shell->panel_layer, &shell->fullscreen_layer.link);
diff --git a/src/compositor.h b/src/compositor.h
index aa87ec0..5c0ea74 100644
--- a/src/compositor.h
+++ b/src/compositor.h
@@ -121,6 +121,7 @@ struct weston_shell_interface {
void (*set_window_geometry)(struct shell_surface *shsurf,
int32_t x, int32_t y,
int32_t width, int32_t height);
+ void (*set_maximized)(struct shell_surface *shsurf);
};
struct weston_animation {
diff --git a/xwayland/window-manager.c b/xwayland/window-manager.c
index 4d3611f..07c2ef3 100644
--- a/xwayland/window-manager.c
+++ b/xwayland/window-manager.c
@@ -144,6 +144,8 @@ struct weston_wm_window {
int fullscreen;
int has_alpha;
int delete_window;
+ int maximized_vert;
+ int maximized_horz;
struct wm_size_hints size_hints;
struct motif_wm_hints motif_hints;
struct wl_list link;
@@ -472,6 +474,10 @@ weston_wm_window_read_properties(struct weston_wm_window
*window)
for (i = 0; i < reply->value_len; i++)
if (atom[i] == wm->atom.net_wm_state_fullscreen)
window->fullscreen = 1;
+ if (atom[i] ==
wm->atom.net_wm_state_maximized_vert)
+ window->maximized_vert = 1;
+ if (atom[i] ==
wm->atom.net_wm_state_maximized_horz)
+ window->maximized_horz = 1;
break;
case TYPE_MOTIF_WM_HINTS:
memcpy(&window->motif_hints,
@@ -479,7 +485,7 @@ weston_wm_window_read_properties(struct weston_wm_window
*window)
sizeof window->motif_hints);
if (window->motif_hints.flags & MWM_HINTS_DECORATIONS)
window->decorate =
- window->motif_hints.decorations > 0;
+ window->motif_hints.decorations;
break;
default:
break;
@@ -789,12 +795,16 @@ static void
weston_wm_window_set_net_wm_state(struct weston_wm_window *window)
{
struct weston_wm *wm = window->wm;
- uint32_t property[1];
+ uint32_t property[3];
int i;
i = 0;
if (window->fullscreen)
property[i++] = wm->atom.net_wm_state_fullscreen;
+ if (window->maximized_vert)
+ property[i++] = wm->atom.net_wm_state_maximized_vert;
+ if (window->maximized_horz)
+ property[i++] = wm->atom.net_wm_state_maximized_horz;
xcb_change_property(wm->conn,
XCB_PROP_MODE_REPLACE,
@@ -811,10 +821,14 @@ weston_wm_window_create_frame(struct weston_wm_window
*window)
struct weston_wm *wm = window->wm;
uint32_t values[3];
int x, y, width, height;
+ int buttons = FRAME_BUTTON_CLOSE;
+
+ if (window->decorate & MWM_DECOR_MAXIMIZE)
+ buttons |= FRAME_BUTTON_MAXIMIZE;
window->frame = frame_create(window->wm->theme,
window->width, window->height,
- FRAME_BUTTON_CLOSE, window->name);
+ buttons, window->name);
frame_resize_inside(window->frame, window->width, window->height);
weston_wm_window_get_frame_size(window, &width, &height);
@@ -1332,6 +1346,28 @@ static void
weston_wm_window_configure(void *data);
static void
+weston_wm_window_set_toplevel(struct weston_wm_window *window)
+{
+ struct weston_shell_interface *shell_interface =
+ &window->wm->server->compositor->shell_interface;
+
+ shell_interface->set_toplevel(window->shsurf);
+ window->width = window->saved_width;
+ window->height = window->saved_height;
+ if (window->frame)
+ frame_resize_inside(window->frame,
+ window->width,
+ window->height);
+ weston_wm_window_configure(window);
+}
+
+static inline bool
+weston_wm_window_is_maximized(struct weston_wm_window *window)
+{
+ return window->maximized_horz && window->maximized_vert;
+}
+
+static void
weston_wm_window_handle_state(struct weston_wm_window *window,
xcb_client_message_event_t *client_message)
{
@@ -1339,6 +1375,7 @@ weston_wm_window_handle_state(struct weston_wm_window
*window,
struct weston_shell_interface *shell_interface =
&wm->server->compositor->shell_interface;
uint32_t action, property;
+ int maximized = weston_wm_window_is_maximized(window);
action = client_message->data.data32[0];
property = client_message->data.data32[1];
@@ -1356,15 +1393,26 @@ weston_wm_window_handle_state(struct weston_wm_window
*window,
0, NULL);
} else {
if (window->shsurf)
- shell_interface->set_toplevel(window->shsurf);
-
- window->width = window->saved_width;
- window->height = window->saved_height;
- if (window->frame)
- frame_resize_inside(window->frame,
- window->width,
- window->height);
- weston_wm_window_configure(window);
+ weston_wm_window_set_toplevel(window);
+ }
+ } else {
+ if (property == wm->atom.net_wm_state_maximized_vert &&
+ update_state(action, &window->maximized_vert))
+ weston_wm_window_set_net_wm_state(window);
+ if (property == wm->atom.net_wm_state_maximized_horz &&
+ update_state(action, &window->maximized_horz))
+ weston_wm_window_set_net_wm_state(window);
+
+ if (maximized != weston_wm_window_is_maximized(window)) {
+ if (weston_wm_window_is_maximized(window)) {
+ window->saved_width = window->width;
+ window->saved_height = window->height;
+
+ if (window->shsurf)
+
shell_interface->set_maximized(window->shsurf);
+ } else if (window->shsurf) {
+ weston_wm_window_set_toplevel(window);
+ }
}
}
}
@@ -1696,6 +1744,19 @@ weston_wm_handle_button(struct weston_wm *wm,
xcb_generic_event_t *event)
weston_wm_window_close(window, button->time);
frame_status_clear(window->frame, FRAME_STATUS_CLOSE);
}
+
+ if (frame_status(window->frame) & FRAME_STATUS_MAXIMIZE) {
+ window->maximized_horz = !window->maximized_horz;
+ window->maximized_vert = !window->maximized_vert;
+ if (weston_wm_window_is_maximized(window)) {
+ window->saved_width = window->width;
+ window->saved_height = window->height;
+ shell_interface->set_maximized(window->shsurf);
+ } else {
+ weston_wm_window_set_toplevel(window);
+ }
+ frame_status_clear(window->frame, FRAME_STATUS_MAXIMIZE);
+ }
}
static void
@@ -1884,6 +1945,8 @@ weston_wm_get_resources(struct weston_wm *wm)
{ "_NET_WM_PID", F(atom.net_wm_pid) },
{ "_NET_WM_ICON", F(atom.net_wm_icon) },
{ "_NET_WM_STATE", F(atom.net_wm_state) },
+ { "_NET_WM_STATE_MAXIMIZED_VERT",
F(atom.net_wm_state_maximized_vert) },
+ { "_NET_WM_STATE_MAXIMIZED_HORZ",
F(atom.net_wm_state_maximized_horz) },
{ "_NET_WM_STATE_FULLSCREEN", F(atom.net_wm_state_fullscreen) },
{ "_NET_WM_USER_TIME", F(atom.net_wm_user_time) },
{ "_NET_WM_ICON_NAME", F(atom.net_wm_icon_name) },
@@ -2061,7 +2124,7 @@ weston_wm_create(struct weston_xserver *wxs, int fd)
struct wl_event_loop *loop;
xcb_screen_iterator_t s;
uint32_t values[1];
- xcb_atom_t supported[3];
+ xcb_atom_t supported[5];
wm = zalloc(sizeof *wm);
if (wm == NULL)
@@ -2112,6 +2175,8 @@ weston_wm_create(struct weston_xserver *wxs, int fd)
supported[0] = wm->atom.net_wm_moveresize;
supported[1] = wm->atom.net_wm_state;
supported[2] = wm->atom.net_wm_state_fullscreen;
+ supported[3] = wm->atom.net_wm_state_maximized_vert;
+ supported[4] = wm->atom.net_wm_state_maximized_horz;
xcb_change_property(wm->conn,
XCB_PROP_MODE_REPLACE,
wm->screen->root,
@@ -2389,6 +2454,8 @@ xserver_map_shell_surface(struct weston_wm_window *window,
parent->surface,
window->x - parent->x,
window->y - parent->y, flags);
+ } else if (weston_wm_window_is_maximized(window)) {
+ shell_interface->set_maximized(window->shsurf);
} else {
if (weston_wm_window_type_inactive(window)) {
shell_interface->set_xwayland(window->shsurf,
diff --git a/xwayland/xwayland.h b/xwayland/xwayland.h
index b42110b..54cbf6d 100644
--- a/xwayland/xwayland.h
+++ b/xwayland/xwayland.h
@@ -102,6 +102,8 @@ struct weston_wm {
xcb_atom_t net_wm_pid;
xcb_atom_t net_wm_icon;
xcb_atom_t net_wm_state;
+ xcb_atom_t net_wm_state_maximized_vert;
+ xcb_atom_t net_wm_state_maximized_horz;
xcb_atom_t net_wm_state_fullscreen;
xcb_atom_t net_wm_user_time;
xcb_atom_t net_wm_icon_name;
--
2.2.2
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