rofi 1.7.5
icon.c
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1/*
2 * rofi
3 *
4 * MIT/X11 License
5 * Copyright © 2013-2018 Qball Cow <qball@gmpclient.org>
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining
8 * a copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sublicense, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be
16 * included in all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
21 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
22 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 */
27
29#define G_LOG_DOMAIN "Widgets.Icon"
30
31#include "widgets/icon.h"
32#include "theme.h"
34#include "widgets/widget.h"
35#include <stdio.h>
36
37#include "rofi-icon-fetcher.h"
38
39struct _icon {
41
42 // Size of the icon.
43 int size;
44
46
47 uint32_t icon_fetch_id;
48
49 double yalign, xalign;
50
51 // Source surface.
52 cairo_surface_t *icon;
53};
54
56 G_GNUC_UNUSED const int width) {
57 icon *b = (icon *)widget;
58 int height = b->size;
59 if (b->squared == FALSE) {
60 if (b->icon) {
61 int iconh = cairo_image_surface_get_height(b->icon);
62 int iconw = cairo_image_surface_get_width(b->icon);
63 int icons = MAX(iconh, iconw);
64 double scale = (double)b->size / icons;
65 height = iconh * scale;
66 }
67 }
69 return height;
70}
72 G_GNUC_UNUSED const int height) {
73 icon *b = (icon *)widget;
74 int width = b->size;
75 if (b->squared == FALSE) {
76 if (b->icon) {
77 int iconh = cairo_image_surface_get_height(b->icon);
78 int iconw = cairo_image_surface_get_width(b->icon);
79 int icons = MAX(iconh, iconw);
80 double scale = (double)b->size / icons;
81 width = iconw * scale;
82 }
83 }
85 return width;
86}
87
88static void icon_draw(widget *wid, cairo_t *draw) {
89 icon *b = (icon *)wid;
90 // If no icon is loaded. quit.
91 if (b->icon == NULL && b->icon_fetch_id > 0) {
93 if (b->icon) {
94 cairo_surface_reference(b->icon);
95 }
96 }
97 if (b->icon == NULL) {
98 return;
99 }
100 int iconh = cairo_image_surface_get_height(b->icon);
101 int iconw = cairo_image_surface_get_width(b->icon);
102 int icons = MAX(iconh, iconw);
103 double scale = (double)b->size / icons;
104
105 int lpad = widget_padding_get_left(WIDGET(b));
106 int rpad = widget_padding_get_right(WIDGET(b));
107 int tpad = widget_padding_get_top(WIDGET(b));
108 int bpad = widget_padding_get_bottom(WIDGET(b));
109
110 cairo_save(draw);
111
112 cairo_translate(
113 draw, lpad + (b->widget.w - iconw * scale - lpad - rpad) * b->xalign,
114 tpad + (b->widget.h - iconh * scale - tpad - bpad) * b->yalign);
115 cairo_scale(draw, scale, scale);
116 cairo_set_source_surface(draw, b->icon, 0, 0);
117 cairo_paint(draw);
118 cairo_restore(draw);
119}
120
121static void icon_free(widget *wid) {
122 icon *b = (icon *)wid;
123
124 if (b->icon) {
125 cairo_surface_destroy(b->icon);
126 }
127
128 g_free(b);
129}
130
131static void icon_resize(widget *widget, short w, short h) {
132 icon *b = (icon *)widget;
133 if (b->widget.w != w || b->widget.h != h) {
134 b->widget.w = w;
135 b->widget.h = h;
137 }
138}
139
140void icon_set_surface(icon *icon, cairo_surface_t *surf) {
141 icon->icon_fetch_id = 0;
142 if (icon->icon) {
143 cairo_surface_destroy(icon->icon);
144 icon->icon = NULL;
145 }
146 if (surf) {
147 cairo_surface_reference(surf);
148 icon->icon = surf;
149 }
151}
152
153icon *icon_create(widget *parent, const char *name) {
154 icon *b = g_malloc0(sizeof(icon));
155
156 b->size = 16;
157 // Initialize widget.
158 widget_init(WIDGET(b), parent, WIDGET_TYPE_UNKNOWN, name);
159 b->widget.draw = icon_draw;
160 b->widget.free = icon_free;
164
167
168 b->squared = rofi_theme_get_boolean(WIDGET(b), "squared", TRUE);
169
170 const char *filename = rofi_theme_get_string(WIDGET(b), "filename", NULL);
171 if (filename) {
172 b->icon_fetch_id = rofi_icon_fetcher_query(filename, b->size);
173 }
174 b->yalign = rofi_theme_get_double(WIDGET(b), "vertical-align", 0.5);
175 b->yalign = MAX(0, MIN(1.0, b->yalign));
176 b->xalign = rofi_theme_get_double(WIDGET(b), "horizontal-align", 0.5);
177 b->xalign = MAX(0, MIN(1.0, b->xalign));
178
179 return b;
180}
cairo_surface_t * rofi_icon_fetcher_get(const uint32_t uid)
uint32_t rofi_icon_fetcher_query(const char *name, const int size)
void icon_set_surface(icon *icon, cairo_surface_t *surf)
Definition icon.c:140
icon * icon_create(widget *parent, const char *name)
Definition icon.c:153
void widget_queue_redraw(widget *wid)
Definition widget.c:487
void widget_update(widget *widget)
Definition widget.c:477
#define WIDGET(a)
Definition widget.h:119
@ WIDGET_TYPE_UNKNOWN
Definition widget.h:58
static int icon_get_desired_height(widget *widget, G_GNUC_UNUSED const int width)
Definition icon.c:55
static void icon_free(widget *wid)
Definition icon.c:121
static void icon_resize(widget *widget, short w, short h)
Definition icon.c:131
static void icon_draw(widget *wid, cairo_t *draw)
Definition icon.c:88
static int icon_get_desired_width(widget *widget, G_GNUC_UNUSED const int height)
Definition icon.c:71
@ ROFI_ORIENTATION_VERTICAL
Definition rofi-types.h:142
Definition icon.c:39
double xalign
Definition icon.c:49
int squared
Definition icon.c:45
widget widget
Definition icon.c:40
int size
Definition icon.c:43
cairo_surface_t * icon
Definition icon.c:52
uint32_t icon_fetch_id
Definition icon.c:47
double yalign
Definition icon.c:49
void(* free)(struct _widget *widget)
int(* get_desired_width)(struct _widget *, const int height)
int(* get_desired_height)(struct _widget *, const int width)
void(* draw)(struct _widget *widget, cairo_t *draw)
void(* resize)(struct _widget *, short, short)
const char * rofi_theme_get_string(const widget *widget, const char *property, const char *def)
Definition theme.c:990
RofiDistance rofi_theme_get_distance(const widget *widget, const char *property, int def)
Definition theme.c:877
int rofi_theme_get_boolean(const widget *widget, const char *property, int def)
Definition theme.c:903
int distance_get_pixel(RofiDistance d, RofiOrientation ori)
Definition theme.c:1415
double rofi_theme_get_double(const widget *widget, const char *property, double def)
Definition theme.c:1040
void widget_init(widget *wid, widget *parent, WidgetType type, const char *name)
Definition widget.c:34
int widget_padding_get_padding_width(const widget *wid)
Definition widget.c:637
int widget_padding_get_left(const widget *wid)
Definition widget.c:576
int widget_padding_get_right(const widget *wid)
Definition widget.c:586
int widget_padding_get_padding_height(const widget *wid)
Definition widget.c:631
int widget_padding_get_top(const widget *wid)
Definition widget.c:598
int widget_padding_get_bottom(const widget *wid)
Definition widget.c:608