labwc/src/view-impl-common.c
Johan Malm 2c14a5a406 view: make move_sub_views() use append_children method
...to share common code with minimize_sub_views()

Also, fix a bug in the move-to-back functions to move the window
hierarchy in the right order.

Helped-by: @Consolatis
2023-08-05 21:06:28 +02:00

132 lines
3.6 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/* view-impl-common.c: common code for shell view->impl functions */
#include <assert.h>
#include <stdio.h>
#include <strings.h>
#include "common/list.h"
#include "labwc.h"
#include "view.h"
#include "view-impl-common.h"
#include "window-rules.h"
void
view_impl_move_to_front(struct view *view)
{
wl_list_remove(&view->link);
wl_list_insert(&view->server->views, &view->link);
wlr_scene_node_raise_to_top(&view->scene_tree->node);
}
void
view_impl_move_to_back(struct view *view)
{
wl_list_remove(&view->link);
wl_list_append(&view->server->views, &view->link);
wlr_scene_node_lower_to_bottom(&view->scene_tree->node);
}
void
view_impl_move_sub_views(struct view *parent, enum z_direction z_direction)
{
assert(parent);
if (!parent->impl->append_children) {
return;
}
struct wl_array subviews;
wl_array_init(&subviews);
parent->impl->append_children(parent, &subviews);
struct view **view;
wl_array_for_each(view, &subviews) {
if (z_direction == LAB_TO_FRONT) {
view_impl_move_to_front(*view);
} else if (z_direction == LAB_TO_BACK) {
view_impl_move_to_back(*view);
}
}
wl_array_release(&subviews);
}
void
view_impl_map(struct view *view)
{
desktop_focus_and_activate_view(&view->server->seat, view);
view_move_to_front(view);
view_update_title(view);
view_update_app_id(view);
if (!view->been_mapped) {
window_rules_apply(view, LAB_WINDOW_RULE_EVENT_ON_FIRST_MAP);
}
/*
* It's tempting to just never create the foreign-toplevel handle in the
* map handlers, but the app_id/title might not have been set at that
* point, so it's safer to process the property here
*/
enum property ret = window_rules_get_property(view, "skipTaskbar");
if (ret == LAB_PROP_TRUE) {
if (view->toplevel.handle) {
wlr_foreign_toplevel_handle_v1_destroy(view->toplevel.handle);
}
}
wlr_log(WLR_DEBUG, "[map] identifier=%s, title=%s\n",
view_get_string_prop(view, "app_id"),
view_get_string_prop(view, "title"));
}
static bool
resizing_edge(struct view *view, uint32_t edge)
{
struct server *server = view->server;
return server->input_mode == LAB_INPUT_STATE_RESIZE
&& server->grabbed_view == view
&& (server->resize_edges & edge);
}
void
view_impl_apply_geometry(struct view *view, int w, int h)
{
struct wlr_box *current = &view->current;
struct wlr_box *pending = &view->pending;
struct wlr_box old = *current;
/*
* Anchor right edge if resizing via left edge.
*
* Note that answering the question "are we resizing?" is a bit
* tricky. The most obvious method is to look at the server
* flags; but that method will not account for any late commits
* that occur after the mouse button is released, as the client
* catches up with pending configure requests. So as a fallback,
* we resort to a geometry-based heuristic -- also not 100%
* reliable on its own. The combination of the two methods
* should catch 99% of resize cases that we care about.
*/
bool resizing_left_edge = resizing_edge(view, WLR_EDGE_LEFT);
if (resizing_left_edge || (current->x != pending->x
&& current->x + current->width ==
pending->x + pending->width)) {
current->x = pending->x + pending->width - w;
} else {
current->x = pending->x;
}
/* Anchor bottom edge if resizing via top edge */
bool resizing_top_edge = resizing_edge(view, WLR_EDGE_TOP);
if (resizing_top_edge || (current->y != pending->y
&& current->y + current->height ==
pending->y + pending->height)) {
current->y = pending->y + pending->height - h;
} else {
current->y = pending->y;
}
current->width = w;
current->height = h;
if (!wlr_box_equal(current, &old)) {
view_moved(view);
}
}