mirror of
https://github.com/lbonn/rofi
synced 2024-11-15 08:37:17 +00:00
600 lines
19 KiB
C
600 lines
19 KiB
C
/*
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* rofi
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*
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* MIT/X11 License
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* Copyright © 2013-2021 Qball Cow <qball@gmpclient.org>
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include <glib.h>
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#include <math.h>
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#include "widgets/widget.h"
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#include "widgets/widget-internal.h"
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#include "theme.h"
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/** Default padding. */
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#define WIDGET_DEFAULT_PADDING 0
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/** macro for initializing the padding struction. */
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#define WIDGET_PADDING_INIT { { WIDGET_DEFAULT_PADDING, ROFI_PU_PX, ROFI_DISTANCE_MODIFIER_NONE, NULL, NULL }, ROFI_HL_SOLID }
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/* Corner radius - tl, tr, br, bl */
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static void draw_rounded_rect ( cairo_t * d,
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double x1, double y1, double x2, double y2,
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double r0, double r1, double r2, double r3 )
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{
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if ( r0 > 0 ) {
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cairo_move_to ( d, x1, y1 + r0 );
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cairo_arc ( d, x1 + r0, y1 + r0, r0, -G_PI, -G_PI_2 );
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}
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else {
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cairo_move_to ( d, x1, y1 );
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}
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if ( r1 > 0 ) {
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cairo_line_to ( d, x2 - r1, y1 );
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cairo_arc ( d, x2 - r1, y1 + r1, r1, -G_PI_2, 0.0 );
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}
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else {
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cairo_line_to ( d, x2, y1 );
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}
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if ( r2 > 0 ) {
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cairo_line_to ( d, x2, y2 - r2 );
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cairo_arc ( d, x2 - r2, y2 - r2, r2, 0.0, G_PI_2 );
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}
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else {
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cairo_line_to ( d, x2, y2 );
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}
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if ( r3 > 0 ) {
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cairo_line_to ( d, x1 + r3, y2 );
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cairo_arc ( d, x1 + r3, y2 - r3, r3, G_PI_2, G_PI );
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}
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else {
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cairo_line_to ( d, x1, y2 );
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}
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cairo_close_path ( d );
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}
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void widget_init ( widget *wid, widget *parent, WidgetType type, const char *name )
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{
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wid->type = type;
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wid->parent = parent;
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wid->name = g_strdup ( name );
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wid->def_padding = (RofiPadding) { WIDGET_PADDING_INIT, WIDGET_PADDING_INIT, WIDGET_PADDING_INIT, WIDGET_PADDING_INIT };
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wid->def_border = (RofiPadding) { WIDGET_PADDING_INIT, WIDGET_PADDING_INIT, WIDGET_PADDING_INIT, WIDGET_PADDING_INIT };
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wid->def_border_radius = (RofiPadding) { WIDGET_PADDING_INIT, WIDGET_PADDING_INIT, WIDGET_PADDING_INIT, WIDGET_PADDING_INIT };
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wid->def_margin = (RofiPadding) { WIDGET_PADDING_INIT, WIDGET_PADDING_INIT, WIDGET_PADDING_INIT, WIDGET_PADDING_INIT };
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wid->padding = rofi_theme_get_padding ( wid, "padding", wid->def_padding );
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wid->border = rofi_theme_get_padding ( wid, "border", wid->def_border );
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wid->border_radius = rofi_theme_get_padding ( wid, "border-radius", wid->def_border_radius );
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wid->margin = rofi_theme_get_padding ( wid, "margin", wid->def_margin );
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wid->cursor_type = rofi_theme_get_cursor_type ( wid, "cursor", ROFI_CURSOR_DEFAULT );
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// enabled by default
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wid->enabled = rofi_theme_get_boolean ( wid, "enabled", TRUE );
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}
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void widget_set_state ( widget *widget, const char *state )
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{
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if ( widget == NULL ) {
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return;
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}
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if ( g_strcmp0 ( widget->state, state ) ) {
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widget->state = state;
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// Update border.
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widget->border = rofi_theme_get_padding ( widget, "border", widget->def_border );
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widget->border_radius = rofi_theme_get_padding ( widget, "border-radius", widget->def_border_radius );
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if ( widget->set_state != NULL ) {
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widget->set_state ( widget, state );
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}
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widget_queue_redraw ( widget );
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}
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}
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int widget_intersect ( const widget *widget, int x, int y )
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{
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if ( widget == NULL ) {
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return FALSE;
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}
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if ( x >= ( widget->x ) && x < ( widget->x + widget->w ) &&
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y >= ( widget->y ) && y < ( widget->y + widget->h ) ) {
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return TRUE;
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}
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return FALSE;
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}
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void widget_resize ( widget *widget, short w, short h )
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{
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if ( widget == NULL ) {
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return;
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}
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if ( widget->resize != NULL ) {
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if ( widget->w != w || widget->h != h ) {
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widget->resize ( widget, w, h );
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}
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}
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else {
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widget->w = w;
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widget->h = h;
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}
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// On a resize we always want to udpate.
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widget_queue_redraw ( widget );
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}
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void widget_move ( widget *widget, short x, short y )
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{
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if ( widget == NULL ) {
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return;
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}
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widget->x = x;
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widget->y = y;
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}
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void widget_set_type ( widget *widget, WidgetType type )
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{
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if ( widget == NULL ) {
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return;
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}
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widget->type = type;
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}
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WidgetType widget_type ( widget *widget )
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{
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if ( widget == NULL ) {
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return WIDGET_TYPE_UNKNOWN;
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}
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return widget->type;
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}
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gboolean widget_enabled ( widget *widget )
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{
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if ( widget == NULL ) {
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return FALSE;
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}
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return widget->enabled;
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}
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void widget_set_enabled ( widget *widget, gboolean enabled )
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{
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if ( widget == NULL ) {
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return;
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}
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if ( widget->enabled != enabled ) {
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widget->enabled = enabled;
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widget_update ( widget );
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widget_update ( widget->parent );
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widget_queue_redraw ( widget );
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}
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}
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void widget_draw ( widget *widget, cairo_t *d )
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{
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if ( widget == NULL ) {
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return;
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}
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// Check if enabled and if draw is implemented.
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if ( widget->enabled && widget->draw ) {
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// Don't draw if there is no space.
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if ( widget->h < 1 || widget->w < 1 ) {
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widget->need_redraw = FALSE;
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return;
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}
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// Store current state.
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cairo_save ( d );
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const int margin_left = distance_get_pixel ( widget->margin.left, ROFI_ORIENTATION_HORIZONTAL );
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const int margin_top = distance_get_pixel ( widget->margin.top, ROFI_ORIENTATION_VERTICAL );
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const int margin_right = distance_get_pixel ( widget->margin.right, ROFI_ORIENTATION_HORIZONTAL );
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const int margin_bottom = distance_get_pixel ( widget->margin.bottom, ROFI_ORIENTATION_VERTICAL );
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const int left = distance_get_pixel ( widget->border.left, ROFI_ORIENTATION_HORIZONTAL );
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const int right = distance_get_pixel ( widget->border.right, ROFI_ORIENTATION_HORIZONTAL );
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const int top = distance_get_pixel ( widget->border.top, ROFI_ORIENTATION_VERTICAL );
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const int bottom = distance_get_pixel ( widget->border.bottom, ROFI_ORIENTATION_VERTICAL );
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int radius_bl = distance_get_pixel ( widget->border_radius.left, ROFI_ORIENTATION_HORIZONTAL );
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int radius_tr = distance_get_pixel ( widget->border_radius.right, ROFI_ORIENTATION_HORIZONTAL );
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int radius_tl = distance_get_pixel ( widget->border_radius.top, ROFI_ORIENTATION_VERTICAL );
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int radius_br = distance_get_pixel ( widget->border_radius.bottom, ROFI_ORIENTATION_VERTICAL );
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double minof_tl, minof_tr, minof_br, minof_bl;
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{
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double left_2 = (double) left / 2;
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double top_2 = (double) top / 2;
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double right_2 = (double) right / 2;
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double bottom_2 = (double) bottom / 2;
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// Calculate the different offsets for the corners.
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minof_tl = MIN ( left_2, top_2 );
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minof_tr = MIN ( right_2, top_2 );
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minof_br = MIN ( right_2, bottom_2 );
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minof_bl = MIN ( left_2, bottom_2 );
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// Contain border radius in widget space
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double vspace, vspace_2, hspace, hspace_2;
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vspace = widget->h - ( margin_top + margin_bottom ) - ( top_2 + bottom_2 );
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hspace = widget->w - ( margin_left + margin_right ) - ( left_2 + right_2 );
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vspace_2 = vspace / 2;
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hspace_2 = hspace / 2;
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if ( radius_bl + radius_tl > vspace ) {
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radius_bl = MIN ( radius_bl, vspace_2 );
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radius_tl = MIN ( radius_tl, vspace_2 );
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}
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if ( radius_br + radius_tr > vspace ) {
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radius_br = MIN ( radius_br, vspace_2 );
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radius_tr = MIN ( radius_tr, vspace_2 );
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}
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if ( radius_tl + radius_tr > hspace ) {
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radius_tr = MIN ( radius_tr, hspace_2 );
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radius_tl = MIN ( radius_tl, hspace_2 );
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}
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if ( radius_bl + radius_br > hspace ) {
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radius_br = MIN ( radius_br, hspace_2 );
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radius_bl = MIN ( radius_bl, hspace_2 );
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}
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}
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// Background painting.
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// Set new x/y position.
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cairo_translate ( d, widget->x, widget->y );
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cairo_set_line_width ( d, 0 );
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draw_rounded_rect ( d,
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margin_left + ( left > 2 ? left - 1 : left == 1 ? 0.5 : 0 ),
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margin_top + ( top > 2 ? top - 1 : top == 1 ? 0.5 : 0 ),
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widget->w - margin_right - ( right > 2 ? right - 1 : right == 1 ? 0.5 : 0 ),
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widget->h - margin_bottom - ( bottom > 2 ? bottom - 1 : bottom == 1 ? 0.5 : 0 ),
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radius_tl - ( minof_tl > 1 ? minof_tl - 1 : 0 ),
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radius_tr - ( minof_tr > 1 ? minof_tr - 1 : 0 ),
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radius_br - ( minof_br > 1 ? minof_br - 1 : 0 ),
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radius_bl - ( minof_bl > 1 ? minof_bl - 1 : 0 ) );
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cairo_set_source_rgba ( d, 1.0, 1.0, 1.0, 1.0 );
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rofi_theme_get_color ( widget, "background-color", d );
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rofi_theme_get_image ( widget, "background-image", d );
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cairo_fill_preserve ( d );
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cairo_clip ( d );
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widget->draw ( widget, d );
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widget->need_redraw = FALSE;
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cairo_restore ( d );
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if ( left != 0 || top != 0 || right != 0 || bottom != 0 ) {
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cairo_save ( d );
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cairo_translate ( d, widget->x, widget->y );
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cairo_new_path ( d );
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rofi_theme_get_color ( widget, "border-color", d );
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double radius_int_tl, radius_int_tr, radius_int_br, radius_int_bl;
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double radius_out_tl, radius_out_tr, radius_out_br, radius_out_bl;
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if ( radius_tl > 0 ) {
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radius_out_tl = radius_tl + minof_tl,
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radius_int_tl = radius_tl - minof_tl;
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}
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else {
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radius_out_tl = radius_int_tl = 0;
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}
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if ( radius_tr > 0 ) {
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radius_out_tr = radius_tr + minof_tr,
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radius_int_tr = radius_tr - minof_tr;
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}
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else {
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radius_out_tr = radius_int_tr = 0;
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}
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if ( radius_br > 0 ) {
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radius_out_br = radius_br + minof_br,
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radius_int_br = radius_br - minof_br;
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}
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else {
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radius_out_br = radius_int_br = 0;
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}
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if ( radius_bl > 0 ) {
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radius_out_bl = radius_bl + minof_bl,
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radius_int_bl = radius_bl - minof_bl;
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}
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else {
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radius_out_bl = radius_int_bl = 0;
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}
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draw_rounded_rect ( d,
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margin_left,
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margin_top,
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widget->w - margin_right,
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widget->h - margin_bottom,
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radius_out_tl,
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radius_out_tr,
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radius_out_br,
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radius_out_bl );
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cairo_new_sub_path ( d );
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draw_rounded_rect ( d,
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margin_left + left,
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margin_top + top,
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widget->w - margin_right - right,
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widget->h - margin_bottom - bottom,
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radius_int_tl,
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radius_int_tr,
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radius_int_br,
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radius_int_bl );
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cairo_set_fill_rule ( d, CAIRO_FILL_RULE_EVEN_ODD );
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cairo_fill ( d );
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cairo_restore ( d );
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}
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}
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}
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void widget_free ( widget *wid )
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{
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if ( wid == NULL ) {
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return;
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}
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if ( wid->name != NULL ) {
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g_free ( wid->name );
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}
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if ( wid->free != NULL ) {
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wid->free ( wid );
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}
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}
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int widget_get_height ( widget *widget )
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{
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if ( widget == NULL ) {
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return 0;
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}
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if ( widget->get_height == NULL ) {
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return widget->h;
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}
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return widget->get_height ( widget );
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}
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int widget_get_width ( widget *widget )
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{
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if ( widget == NULL ) {
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return 0;
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}
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if ( widget->get_width == NULL ) {
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return widget->w;
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}
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return widget->get_width ( widget );
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}
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int widget_get_x_pos ( widget *widget )
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{
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if ( widget == NULL ) {
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return 0;
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}
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return widget->x;
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}
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int widget_get_y_pos ( widget *widget )
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{
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if ( widget == NULL ) {
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return 0;
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}
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return widget->y;
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}
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void widget_xy_to_relative ( widget *widget, gint *x, gint *y )
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{
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*x -= widget->x;
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*y -= widget->y;
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if ( widget->parent == NULL ) {
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return;
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}
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widget_xy_to_relative ( widget->parent, x, y );
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}
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void widget_update ( widget *widget )
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{
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if ( widget == NULL ) {
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return;
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}
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// When (desired )size of widget changes.
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if ( widget->update != NULL ) {
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widget->update ( widget );
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}
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}
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void widget_queue_redraw ( widget *wid )
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{
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if ( wid == NULL ) {
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return;
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}
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widget *iter = wid;
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// Find toplevel widget.
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while ( iter->parent != NULL ) {
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iter->need_redraw = TRUE;
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iter = iter->parent;
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}
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iter->need_redraw = TRUE;
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}
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gboolean widget_need_redraw ( widget *wid )
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{
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if ( wid == NULL ) {
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return FALSE;
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}
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if ( !wid->enabled ) {
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return FALSE;
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}
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return wid->need_redraw;
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}
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widget *widget_find_mouse_target ( widget *wid, WidgetType type, gint x, gint y )
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{
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if ( wid == NULL ) {
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return NULL;
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}
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if ( wid->find_mouse_target != NULL ) {
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widget *target = wid->find_mouse_target ( wid, type, x, y );
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if ( target != NULL ) {
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return target;
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}
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}
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if ( wid->type == type || type == WIDGET_TYPE_UNKNOWN ) {
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return wid;
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}
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return NULL;
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}
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WidgetTriggerActionResult widget_trigger_action ( widget *wid, guint action, gint x, gint y )
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{
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if ( wid == NULL ) {
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return FALSE;
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}
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if ( wid->trigger_action == NULL ) {
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return FALSE;
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}
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return wid->trigger_action ( wid, action, x, y, wid->trigger_action_cb_data );
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}
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void widget_set_trigger_action_handler ( widget *wid, widget_trigger_action_cb cb, void * cb_data )
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{
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if ( wid == NULL ) {
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return;
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}
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wid->trigger_action = cb;
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wid->trigger_action_cb_data = cb_data;
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}
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gboolean widget_motion_notify ( widget *wid, gint x, gint y )
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{
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if ( wid == NULL ) {
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return FALSE;
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}
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if ( wid->motion_notify == NULL ) {
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return FALSE;
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}
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return wid->motion_notify ( wid, x, y );
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}
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int widget_padding_get_left ( const widget *wid )
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{
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if ( wid == NULL ) {
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return 0;
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}
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int distance = distance_get_pixel ( wid->padding.left, ROFI_ORIENTATION_HORIZONTAL );
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distance += distance_get_pixel ( wid->border.left, ROFI_ORIENTATION_HORIZONTAL );
|
|
distance += distance_get_pixel ( wid->margin.left, ROFI_ORIENTATION_HORIZONTAL );
|
|
return distance;
|
|
}
|
|
int widget_padding_get_right ( const widget *wid )
|
|
{
|
|
if ( wid == NULL ) {
|
|
return 0;
|
|
}
|
|
int distance = distance_get_pixel ( wid->padding.right, ROFI_ORIENTATION_HORIZONTAL );
|
|
distance += distance_get_pixel ( wid->border.right, ROFI_ORIENTATION_HORIZONTAL );
|
|
distance += distance_get_pixel ( wid->margin.right, ROFI_ORIENTATION_HORIZONTAL );
|
|
return distance;
|
|
}
|
|
int widget_padding_get_top ( const widget *wid )
|
|
{
|
|
if ( wid == NULL ) {
|
|
return 0;
|
|
}
|
|
int distance = distance_get_pixel ( wid->padding.top, ROFI_ORIENTATION_VERTICAL );
|
|
distance += distance_get_pixel ( wid->border.top, ROFI_ORIENTATION_VERTICAL );
|
|
distance += distance_get_pixel ( wid->margin.top, ROFI_ORIENTATION_VERTICAL );
|
|
return distance;
|
|
}
|
|
int widget_padding_get_bottom ( const widget *wid )
|
|
{
|
|
if ( wid == NULL ) {
|
|
return 0;
|
|
}
|
|
int distance = distance_get_pixel ( wid->padding.bottom, ROFI_ORIENTATION_VERTICAL );
|
|
distance += distance_get_pixel ( wid->border.bottom, ROFI_ORIENTATION_VERTICAL );
|
|
distance += distance_get_pixel ( wid->margin.bottom, ROFI_ORIENTATION_VERTICAL );
|
|
return distance;
|
|
}
|
|
|
|
int widget_padding_get_remaining_width ( const widget *wid )
|
|
{
|
|
int width = wid->w;
|
|
width -= widget_padding_get_left ( wid );
|
|
width -= widget_padding_get_right ( wid );
|
|
return width;
|
|
}
|
|
int widget_padding_get_remaining_height ( const widget *wid )
|
|
{
|
|
int height = wid->h;
|
|
height -= widget_padding_get_top ( wid );
|
|
height -= widget_padding_get_bottom ( wid );
|
|
return height;
|
|
}
|
|
int widget_padding_get_padding_height ( const widget *wid )
|
|
{
|
|
int height = 0;
|
|
height += widget_padding_get_top ( wid );
|
|
height += widget_padding_get_bottom ( wid );
|
|
return height;
|
|
}
|
|
int widget_padding_get_padding_width ( const widget *wid )
|
|
{
|
|
int width = 0;
|
|
width += widget_padding_get_left ( wid );
|
|
width += widget_padding_get_right ( wid );
|
|
return width;
|
|
}
|
|
|
|
int widget_get_desired_height ( widget *wid )
|
|
{
|
|
if ( wid == NULL ) {
|
|
return 0;
|
|
}
|
|
if ( wid->get_desired_height == NULL ) {
|
|
return wid->h;
|
|
}
|
|
return wid->get_desired_height ( wid );
|
|
}
|
|
int widget_get_desired_width ( widget *wid )
|
|
{
|
|
if ( wid == NULL ) {
|
|
return 0;
|
|
}
|
|
if ( wid->get_desired_width == NULL ) {
|
|
return wid->w;
|
|
}
|
|
return wid->get_desired_width ( wid );
|
|
}
|
|
|
|
int widget_get_absolute_xpos ( widget *wid )
|
|
{
|
|
if ( wid == NULL ) {
|
|
return 0;
|
|
}
|
|
int retv = wid->x;
|
|
if ( wid->parent != NULL ) {
|
|
retv += widget_get_absolute_xpos ( wid->parent );
|
|
}
|
|
return retv;
|
|
}
|
|
int widget_get_absolute_ypos ( widget *wid )
|
|
{
|
|
if ( wid == NULL ) {
|
|
return 0;
|
|
}
|
|
int retv = wid->y;
|
|
if ( wid->parent != NULL ) {
|
|
retv += widget_get_absolute_ypos ( wid->parent );
|
|
}
|
|
return retv;
|
|
}
|