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desktop-shell: use panel location to calculate correct sizes and ranges

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Now the client can let us know where the panel is using
desktop_shell.set_panel_position, we can correctly calculate where to
put new views and how big maximized views should be.

Acked-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
This commit is contained in:
Jonny Lamb 2014-08-20 15:53:20 +02:00 committed by Pekka Paalanen
parent 765760dc71
commit d73c694afd
1 changed files with 120 additions and 53 deletions
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173
desktop-shell/shell.c
View file

@ -251,9 +251,10 @@ shell_fade_startup(struct desktop_shell *shell);
static struct shell_seat *
get_shell_seat(struct weston_seat *seat);
static int
get_output_panel_height(struct desktop_shell *shell,
struct weston_output *output);
static void
get_output_panel_size(struct desktop_shell *shell,
struct weston_output *output,
int *width, int *height);
static void
shell_surface_update_child_surface_layers(struct shell_surface *shsurf);
@ -351,24 +352,85 @@ shell_grab_start(struct shell_grab *grab,
}
}
static int
get_output_panel_height(struct desktop_shell *shell,
struct weston_output *output)
static void
get_output_panel_size(struct desktop_shell *shell,
struct weston_output *output,
int *width,
int *height)
{
struct weston_view *view;
int panel_height = 0;
*width = 0;
*height = 0;
if (!output)
return 0;
return;
wl_list_for_each(view, &shell->panel_layer.view_list.link, layer_link.link) {
if (view->surface->output == output) {
panel_height = view->surface->height;
float x, y;
if (view->surface->output != output)
continue;
switch (shell->panel_position) {
case DESKTOP_SHELL_PANEL_POSITION_TOP:
case DESKTOP_SHELL_PANEL_POSITION_BOTTOM:
weston_view_to_global_float(view,
view->surface->width, 0,
&x, &y);
*width = (int) x;
*height = view->surface->height + (int) y;
return;
case DESKTOP_SHELL_PANEL_POSITION_LEFT:
case DESKTOP_SHELL_PANEL_POSITION_RIGHT:
weston_view_to_global_float(view,
0, view->surface->height,
&x, &y);
*width = view->surface->width + (int) x;
*height = (int) y;
return;
default:
/* we've already set width and height to
* fallback values. */
break;
}
}
return panel_height;
/* the correct view wasn't found */
}
static void
get_output_work_area(struct desktop_shell *shell,
struct weston_output *output,
pixman_rectangle32_t *area)
{
int32_t panel_width = 0, panel_height = 0;
area->x = 0;
area->y = 0;
get_output_panel_size(shell, output, &panel_width, &panel_height);
switch (shell->panel_position) {
case DESKTOP_SHELL_PANEL_POSITION_TOP:
default:
area->y = panel_height;
case DESKTOP_SHELL_PANEL_POSITION_BOTTOM:
area->width = output->width;
area->height = output->height - panel_height;
break;
case DESKTOP_SHELL_PANEL_POSITION_LEFT:
area->x = panel_width;
case DESKTOP_SHELL_PANEL_POSITION_RIGHT:
area->width = output->width - panel_width;
area->height = output->height;
break;
}
}
static void
@ -389,13 +451,13 @@ send_configure_for_surface(struct shell_surface *shsurf)
height = shsurf->output->height;
} else if (state->maximized) {
struct desktop_shell *shell;
uint32_t panel_height = 0;
pixman_rectangle32_t area;
shell = shell_surface_get_shell(shsurf);
panel_height = get_output_panel_height(shell, shsurf->output);
get_output_work_area(shell, shsurf->output, &area);
width = shsurf->output->width;
height = shsurf->output->height - panel_height;
width = area.width;
height = area.height;
} else {
width = 0;
height = 0;
@ -1550,20 +1612,25 @@ constrain_position(struct weston_move_grab *move, int *cx, int *cy)
{
struct shell_surface *shsurf = move->base.shsurf;
struct weston_pointer *pointer = move->base.grab.pointer;
int x, y, panel_height, bottom;
int x, y, panel_width, panel_height, bottom;
const int safety = 50;
x = wl_fixed_to_int(pointer->x + move->dx);
y = wl_fixed_to_int(pointer->y + move->dy);
panel_height = get_output_panel_height(shsurf->shell,
shsurf->surface->output);
bottom = y + shsurf->geometry.height;
if (bottom - panel_height < safety)
y = panel_height + safety - shsurf->geometry.height;
if (shsurf->shell->panel_position == DESKTOP_SHELL_PANEL_POSITION_TOP) {
get_output_panel_size(shsurf->shell, shsurf->surface->output,
&panel_width, &panel_height);
if (move->client_initiated && y + shsurf->geometry.y < panel_height)
y = panel_height - shsurf->geometry.y;
bottom = y + shsurf->geometry.height;
if (bottom - panel_height < safety)
y = panel_height + safety -
shsurf->geometry.height;
if (move->client_initiated &&
y + shsurf->geometry.y < panel_height)
y = panel_height - shsurf->geometry.y;
}
*cx = x;
*cy = y;
@ -4974,10 +5041,11 @@ weston_view_set_initial_position(struct weston_view *view,
{
struct weston_compositor *compositor = shell->compositor;
int ix = 0, iy = 0;
int range_x, range_y;
int dx, dy, x, y, panel_height;
int32_t range_x, range_y;
int32_t dx, dy, x, y;
struct weston_output *output, *target_output = NULL;
struct weston_seat *seat;
pixman_rectangle32_t area;
/* As a heuristic place the new window on the same output as the
* pointer. Falling back to the output containing 0, 0.
@ -5009,20 +5077,18 @@ weston_view_set_initial_position(struct weston_view *view,
* If this is negative it means that the surface is bigger than
* output.
*/
panel_height = get_output_panel_height(shell, target_output);
range_x = target_output->width - view->surface->width;
range_y = (target_output->height - panel_height) -
view->surface->height;
get_output_work_area(shell, target_output, &area);
dx = area.x;
dy = area.y;
range_x = area.width - view->surface->width;
range_y = area.height - view->surface->height;
if (range_x > 0)
dx = random() % range_x;
else
dx = 0;
dx += random() % range_x;
if (range_y > 0)
dy = panel_height + random() % range_y;
else
dy = panel_height;
dy += random() % range_y;
x = target_output->x + dx;
y = target_output->y + dy;
@ -5030,14 +5096,29 @@ weston_view_set_initial_position(struct weston_view *view,
weston_view_set_position(view, x, y);
}
static void
set_maximized_position(struct desktop_shell *shell,
struct shell_surface *shsurf)
{
int32_t surf_x, surf_y;
pixman_rectangle32_t area;
/* use surface configure to set the geometry */
get_output_work_area(shell, shsurf->output, &area);
surface_subsurfaces_boundingbox(shsurf->surface,
&surf_x, &surf_y, NULL, NULL);
weston_view_set_position(shsurf->view,
area.x - surf_x,
area.y - surf_y);
}
static void
map(struct desktop_shell *shell, struct shell_surface *shsurf,
int32_t sx, int32_t sy)
{
struct weston_compositor *compositor = shell->compositor;
struct weston_seat *seat;
int panel_height = 0;
int32_t surf_x, surf_y;
/* initial positioning, see also configure() */
switch (shsurf->type) {
@ -5046,14 +5127,7 @@ map(struct desktop_shell *shell, struct shell_surface *shsurf,
center_on_output(shsurf->view, shsurf->fullscreen_output);
shell_map_fullscreen(shsurf);
} else if (shsurf->state.maximized) {
/* use surface configure to set the geometry */
panel_height = get_output_panel_height(shell, shsurf->output);
surface_subsurfaces_boundingbox(shsurf->surface,
&surf_x, &surf_y, NULL, NULL);
weston_view_set_position(shsurf->view,
shsurf->output->x - surf_x,
shsurf->output->y +
panel_height - surf_y);
set_maximized_position(shell, shsurf);
} else if (!shsurf->state.relative) {
weston_view_set_initial_position(shsurf->view, shell);
}
@ -5126,7 +5200,6 @@ configure(struct desktop_shell *shell, struct weston_surface *surface,
{
struct shell_surface *shsurf;
struct weston_view *view;
int32_t mx, my, surf_x, surf_y;
shsurf = get_shell_surface(surface);
@ -5135,13 +5208,7 @@ configure(struct desktop_shell *shell, struct weston_surface *surface,
if (shsurf->state.fullscreen)
shell_configure_fullscreen(shsurf);
else if (shsurf->state.maximized) {
/* setting x, y and using configure to change that geometry */
surface_subsurfaces_boundingbox(shsurf->surface, &surf_x, &surf_y,
NULL, NULL);
mx = shsurf->output->x - surf_x;
my = shsurf->output->y +
get_output_panel_height(shell,shsurf->output) - surf_y;
weston_view_set_position(shsurf->view, mx, my);
set_maximized_position(shell, shsurf);
} else {
weston_view_set_position(shsurf->view, x, y);
}