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src/ssd: Convert button node descriptors to struct ssd_button

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This allows for way easier button hover detection and future
features like toggling rounded corner buttons on maximize.
This commit is contained in:
Consolatis 2022-06-08 19:51:02 +02:00 • committed by Johan Malm
parent f1ada7e407
commit ca9226a7a6
8 changed files with 103 additions and 74 deletions
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45
src/ssd/ssd_part.c
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@ -5,6 +5,36 @@
#include "ssd.h"
#include "node.h"
/* Internal helpers */
static void
ssd_button_destroy_notify(struct wl_listener *listener, void *data)
{
struct ssd_button *button = wl_container_of(listener, button, destroy);
wl_list_remove(&button->destroy.link);
free(button);
}
/*
* Create a new node_descriptor containing a link to a new ssd_button struct.
* Both will be destroyed automatically once the scene_node they are attached
* to is destroyed.
*/
static struct ssd_button *
ssd_button_descriptor_create(struct wlr_scene_node *node)
{
/* Create new ssd_button */
struct ssd_button *button = calloc(1, sizeof(struct ssd_button));
/* Let it destroy automatically when the scene node destroys */
button->destroy.notify = ssd_button_destroy_notify;
wl_signal_add(&node->events.destroy, &button->destroy);
/* And finally attach the ssd_button to a node descriptor */
node_descriptor_create(node, LAB_NODE_DESC_SSD_BUTTON, button);
return button;
}
/* Internal API */
struct ssd_part *
add_scene_part(struct wl_list *part_list, enum ssd_part_type type)
{
@ -85,17 +115,16 @@ add_scene_button(struct wl_list *part_list, enum ssd_part_type type,
struct wlr_scene_tree *parent, float *bg_color,
struct wlr_buffer *icon_buffer, int x, struct view *view)
{
struct ssd_part *part;
struct wlr_scene_node *hover;
float hover_bg[4] = {0.15f, 0.15f, 0.15f, 0.3f};
struct ssd_part *button_root = add_scene_part(part_list, type);
parent = wlr_scene_tree_create(parent);
button_root->node = &parent->node;
wlr_scene_node_set_position(button_root->node, x, 0);
node_descriptor_create(button_root->node, LAB_NODE_DESC_SSD_BUTTON, view);
/* Background */
part = add_scene_rect(part_list, type, parent,
add_scene_rect(part_list, type, parent,
BUTTON_WIDTH, rc.theme->title_height, 0, 0, bg_color);
/* Icon */
@ -104,10 +133,14 @@ add_scene_button(struct wl_list *part_list, enum ssd_part_type type,
(rc.theme->title_height - icon_buffer->height) / 2);
/* Hover overlay */
part = add_scene_rect(part_list, type, parent, BUTTON_WIDTH,
rc.theme->title_height, 0, 0, hover_bg);
wlr_scene_node_set_enabled(part->node, false);
hover = add_scene_rect(part_list, type, parent, BUTTON_WIDTH,
rc.theme->title_height, 0, 0, hover_bg)->node;
wlr_scene_node_set_enabled(hover, false);
struct ssd_button *button = ssd_button_descriptor_create(button_root->node);
button->type = type;
button->view = view;
button->hover = hover;
return button_root;
}