rofi/source/widgets/container.c

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/*
* rofi
*
* MIT/X11 License
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* Copyright © 2013-2020 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 <config.h>
#include <stdio.h>
#include "widgets/widget.h"
#include "widgets/widget-internal.h"
#include "widgets/container.h"
#include "theme.h"
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struct _container
{
widget widget;
widget *child;
};
static void container_update ( widget *wid );
static int container_get_desired_height ( widget *widget )
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{
container *b = (container *) widget;
int height = 0;
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if ( b->child ) {
height += widget_get_desired_height ( b->child );
}
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height += widget_padding_get_padding_height ( widget );
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return height;
}
static void container_draw ( widget *wid, cairo_t *draw )
{
container *b = (container *) wid;
widget_draw ( b->child, draw );
}
static void container_free ( widget *wid )
{
container *b = (container *) wid;
widget_free ( b->child );
g_free ( b );
}
void container_add ( container *container, widget *child )
{
if ( container == NULL ) {
return;
}
container->child = child;
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g_assert ( child->parent == WIDGET ( container ) );
widget_update ( WIDGET ( container ) );
}
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 );
}
}
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;
}
x -= b->child->x;
y -= b->child->y;
return widget_find_mouse_target ( b->child, type, x, y );
}
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.
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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;
}
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 ) )
);
}
}