titlebar_button.c File Reference

#include "titlebar_button.h"
#include <libbase/libbase.h>
#include <linux/input-event-codes.h>
#include <stdlib.h>
#include <wlr/interfaces/wlr_buffer.h>
#include "buffer.h"
#include "button.h"
#include "content.h"
#include "gfxbuf.h"
#include "input.h"
#include "primitives.h"

Include dependency graph for titlebar_button.c:

Classes
struct	_wlmtk_titlebar_button_t

Functions
static void	titlebar_button_element_destroy (wlmtk_element_t *element_ptr)
static void	titlebar_button_clicked (wlmtk_button_t *button_ptr)
static void	update_buffers (wlmtk_titlebar_button_t *titlebar_button_ptr)
static struct wlr_buffer *	create_buf (bs_gfxbuf_t *gfxbuf_ptr, int position, bool pressed, bool focussed, const wlmtk_titlebar_style_t *style_ptr, wlmtk_titlebar_button_draw_t draw)
wlmtk_titlebar_button_t *	wlmtk_titlebar_button_create (void(*click_handler)(wlmtk_window_t *window_ptr), wlmtk_window_t *window_ptr, wlmtk_titlebar_button_draw_t draw)
void	wlmtk_titlebar_button_destroy (wlmtk_titlebar_button_t *titlebar_button_ptr)
void	wlmtk_titlebar_button_set_activated (wlmtk_titlebar_button_t *titlebar_button_ptr, bool activated)
bool	wlmtk_titlebar_button_redraw (wlmtk_titlebar_button_t *titlebar_button_ptr, bs_gfxbuf_t *focussed_gfxbuf_ptr, bs_gfxbuf_t *blurred_gfxbuf_ptr, int position, const wlmtk_titlebar_style_t *style_ptr)
wlmtk_element_t *	wlmtk_titlebar_button_element (wlmtk_titlebar_button_t *titlebar_button_ptr)
static void	test_button (bs_test_t *test_ptr)

Variables
static const wlmtk_element_vmt_t	titlebar_button_element_vmt
static const wlmtk_button_vmt_t	titlebar_button_vmt
const bs_test_case_t	wlmtk_titlebar_button_test_cases []

Detailed Description

Copyright

Copyright 2023 Google LLC

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Function Documentation

create_buf()

struct wlr_buffer * create_buf ( bs_gfxbuf_t *  gfxbuf_ptr, int  position, bool  pressed, bool  focussed, const wlmtk_titlebar_style_t *  style_ptr, wlmtk_titlebar_button_draw_t  draw  )

static

Helper: Creates a WLR buffer for the button.

test_button()

void test_button ( bs_test_t *  test_ptr )

static

Tests button visualization.

titlebar_button_clicked()

void titlebar_button_clicked ( wlmtk_button_t *  button_ptr )

static

Handles button clicks: Passes the request to the window.

titlebar_button_element_destroy()

void titlebar_button_element_destroy ( wlmtk_element_t *  element_ptr )

static

Virtual destructor, wraps to wlmtk_titlebar_button_destroy.

update_buffers()

void update_buffers ( wlmtk_titlebar_button_t *  titlebar_button_ptr )

static

Updates the button's buffer depending on activation status.

wlmtk_titlebar_button_create()

wlmtk_titlebar_button_t * wlmtk_titlebar_button_create	(	void(*)(wlmtk_window_t *window_ptr)	click_handler,
		wlmtk_window_t *	window_ptr,
		wlmtk_titlebar_button_draw_t	draw
	)

Creates a button for the titlebar.

Parameters

click_handler
window_ptr
draw

Returns

Pointer to the titlebar button, or NULL on error.

wlmtk_titlebar_button_destroy()

void wlmtk_titlebar_button_destroy

(

wlmtk_titlebar_button_t *

titlebar_button_ptr

)

Destroys the titlebar button.

Parameters

titlebar_button_ptr

wlmtk_titlebar_button_element()

wlmtk_element_t * wlmtk_titlebar_button_element

(

wlmtk_titlebar_button_t *

titlebar_button_ptr

)

Returns the titlebar button's super element.

Parameters

titlebar_button_ptr

Returns

Pointer to the superclass wlmtk_element_t.

wlmtk_titlebar_button_redraw()

bool wlmtk_titlebar_button_redraw	(	wlmtk_titlebar_button_t *	titlebar_button_ptr,
		bs_gfxbuf_t *	focussed_gfxbuf_ptr,
		bs_gfxbuf_t *	blurred_gfxbuf_ptr,
		int	position,
		const wlmtk_titlebar_style_t *	style_ptr
	)

Redraws the titlebar button for given textures, position and style.

Parameters

titlebar_button_ptr
focussed_gfxbuf_ptr
blurred_gfxbuf_ptr
position
style_ptr

Returns

true on success.

wlmtk_titlebar_button_set_activated()

void wlmtk_titlebar_button_set_activated	(	wlmtk_titlebar_button_t *	titlebar_button_ptr,
		bool	activated
	)

Sets the activation status (focussed / blurred) of the titlebar button.

Parameters

titlebar_button_ptr
activated

Variable Documentation

titlebar_button_element_vmt

const wlmtk_element_vmt_t titlebar_button_element_vmt

static

Initial value:

= {
    .destroy = titlebar_button_element_destroy,
}

Extension to the superclass element's virtual method table.

titlebar_button_vmt

const wlmtk_button_vmt_t titlebar_button_vmt

static

Initial value:

= {
    .clicked = titlebar_button_clicked,
}

Extension to the parent button class' virtual methods.

wlmtk_titlebar_button_test_cases

const bs_test_case_t wlmtk_titlebar_button_test_cases[]

Initial value:

= {
    { 1, "button", test_button },
    { 0, NULL, NULL }
}

Unit test cases.