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Handle usable area for maximized windows

Browse source 
Also fixes some bugs
This commit is contained in:
Drew DeVault 2018-03-26 14:14:23 -04:00
parent ab6c2bf584
commit 097e87ca9f
3 changed files with 65 additions and 35 deletions
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49
rootston/layer_shell.c
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@ -15,45 +15,50 @@ static void apply_exclusive(struct wlr_box *usable_area,
uint32_t anchor, uint32_t exclusive) {
struct {
uint32_t anchors;
int *value;
int multiplier;
int *positive_axis;
int *negative_axis;
} edges[] = {
{
.anchors =
ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT |
ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT |
ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP,
.value = &usable_area->y,
.multiplier = 1,
.positive_axis = &usable_area->y,
.negative_axis = &usable_area->height,
},
{
.anchors =
ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT |
ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT |
ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM,
.value = &usable_area->height,
.multiplier = -1,
.positive_axis = NULL,
.negative_axis = &usable_area->height,
},
{
.anchors =
ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT |
ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP |
ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM,
.value = &usable_area->x,
.multiplier = 1,
.positive_axis = &usable_area->x,
.negative_axis = &usable_area->width,
},
{
.anchors =
ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT |
ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP |
ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM,
.value = &usable_area->width,
.multiplier = -1,
.positive_axis = NULL,
.negative_axis = &usable_area->width,
},
};
for (size_t i = 0; i < sizeof(edges) / sizeof(edges[0]); ++i) {
if ((anchor & edges[i].anchors) == edges[i].anchors) {
*edges[i].value += exclusive * edges[i].multiplier;
if (edges[i].positive_axis) {
*edges[i].positive_axis += exclusive;
}
if (edges[i].negative_axis) {
*edges[i].negative_axis -= exclusive;
}
}
}
}
@ -74,9 +79,9 @@ static void arrange_layer(struct wlr_output *output, struct wl_list *list,
} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT)) {
box.x = usable_area->x;
} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT)) {
box.x = usable_area->width - box.width;
box.x = usable_area->x + (usable_area->width - box.width);
} else {
box.x = (usable_area->width / 2) - (box.width / 2);
box.x = usable_area->x + ((usable_area->width / 2) - (box.width / 2));
}
// Vertical axis
const uint32_t both_vert = ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP
@ -87,9 +92,9 @@ static void arrange_layer(struct wlr_output *output, struct wl_list *list,
} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP)) {
box.y = usable_area->y;
} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM)) {
box.y = usable_area->height - box.height;
box.y = usable_area->y + (usable_area->height - box.height);
} else {
box.y = (usable_area->height / 2) - (box.height / 2);
box.y = usable_area->y + ((usable_area->height / 2) - (box.height / 2));
}
wlr_log(L_DEBUG, "arranged layer at %dx%d@%d,%d",
box.width, box.height, box.x, box.y);
@ -119,16 +124,24 @@ static void arrange_layers(struct wlr_output *_output) {
&usable_area);
memcpy(&output->usable_area, &usable_area, sizeof(struct wlr_box));
arrange_layer(output->wlr_output,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP],
&usable_area);
memset(&usable_area, 0, sizeof(struct wlr_box));
wlr_output_effective_resolution(output->wlr_output,
&usable_area.width, &usable_area.height);
arrange_layer(output->wlr_output,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP],
&usable_area);
arrange_layer(output->wlr_output,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY],
&usable_area);
struct roots_view *view;
wl_list_for_each(view, &output->desktop->views, link) {
if (view->maximized) {
view_arrange_maximized(view);
}
}
}
static void handle_output_destroy(struct wl_listener *listener, void *data) {