rofi/source/widgets/container.c

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/*
* rofi
*
* MIT/X11 License
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* Copyright © 2013-2022 Qball Cow <qball@gmpclient.org>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
/** The log domain of this widget. */
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#define G_LOG_DOMAIN "Widgets.Container"
#include "widgets/container.h"
#include "theme.h"
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#include "widgets/widget-internal.h"
#include "widgets/widget.h"
#include <stdio.h>
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struct _container {
widget widget;
widget *child;
};
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static void container_update(widget *wid);
static int container_get_desired_height(widget *widget, const int width) {
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container *b = (container *)widget;
int height = 0;
if (b->child) {
height += widget_get_desired_height(b->child, width);
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}
height += widget_padding_get_padding_height(widget);
return height;
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}
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static void container_draw(widget *wid, cairo_t *draw) {
container *b = (container *)wid;
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widget_draw(b->child, draw);
}
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static void container_free(widget *wid) {
container *b = (container *)wid;
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widget_free(b->child);
g_free(b);
}
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void container_add(container *container, widget *child) {
if (container == NULL) {
return;
}
container->child = child;
g_assert(child->parent == WIDGET(container));
widget_update(WIDGET(container));
}
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static void container_resize(widget *widget, short w, short h) {
container *b = (container *)widget;
if (b->widget.w != w || b->widget.h != h) {
b->widget.w = w;
b->widget.h = h;
widget_update(widget);
}
}
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static widget *container_find_mouse_target(widget *wid, WidgetType type, gint x,
gint y) {
container *b = (container *)wid;
if (!widget_intersect(b->child, x, y)) {
return NULL;
}
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x -= b->child->x;
y -= b->child->y;
return widget_find_mouse_target(b->child, type, x, y);
}
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static void container_set_state(widget *wid, const char *state) {
container *b = (container *)wid;
widget_set_state(b->child, state);
}
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container *container_create(widget *parent, const char *name) {
container *b = g_malloc0(sizeof(container));
// Initialize widget.
widget_init(WIDGET(b), parent, WIDGET_TYPE_UNKNOWN, name);
b->widget.draw = container_draw;
b->widget.free = container_free;
b->widget.resize = container_resize;
b->widget.update = container_update;
b->widget.find_mouse_target = container_find_mouse_target;
b->widget.get_desired_height = container_get_desired_height;
b->widget.set_state = container_set_state;
return b;
}
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static void container_update(widget *wid) {
container *b = (container *)wid;
if (b->child && b->child->enabled) {
widget_resize(WIDGET(b->child),
widget_padding_get_remaining_width(WIDGET(b)),
widget_padding_get_remaining_height(WIDGET(b)));
widget_move(WIDGET(b->child), widget_padding_get_left(WIDGET(b)),
widget_padding_get_top(WIDGET(b)));
}
}