GCC Code Coverage Report

Line	Branch	Exec	Source
1			/* -*- mode: c; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
2			*
3			* Copyright (C) 2008 William Jon McCann <jmccann@redhat.com>
4			* Copyright (C) 2010 Intel, Inc
5			* Copyright 2022 Mohammed Sadiq <sadiq@sadiqpk.org>
6			* Copyright 2022 Purism SPC
7			*
8			* Licensed under the GNU General Public License Version 2
9			*
10			* This program is free software; you can redistribute it and/or modify
11			* it under the terms of the GNU General Public License as published by
12			* the Free Software Foundation; either version 2 of the License, or
13			* (at your option) any later version.
14			*
15			* This program is distributed in the hope that it will be useful,
16			* but WITHOUT ANY WARRANTY; without even the implied warranty of
17			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18			* GNU General Public License for more details.
19			*
20			* You should have received a copy of the GNU General Public License
21			* along with this program; if not, write to the Free Software
22			* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
23			*
24			* Author(s):
25			* Thomas Wood <thomas.wood@intel.com>
26			* Rodrigo Moya <rodrigo@gnome.org>
27			* Mohammed Sadiq <sadiq@sadiqpk.org>
28			*
29			* SPDX-License-Identifier: GPL-2.0-or-later
30			*/
31
32			#undef G_LOG_DOMAIN
33			#define G_LOG_DOMAIN "cc-ua-zoom-page"
34
35			#ifdef HAVE_CONFIG_H
36			# include "config.h"
37			#endif
38
39			#include "cc-ua-macros.h"
40			#include "cc-ua-zoom-page.h"
41
42			struct _CcUaZoomPage
43			{
44			AdwNavigationPage parent_instance;
45
46			AdwSwitchRow *desktop_zoom_row;
47			AdwSpinRow *magnify_factor_spin_row;
48			AdwComboRow *magnify_view_row;
49
50			AdwSwitchRow *magnify_outside_screen_row;
51			AdwComboRow *zoom_screen_area_row;
52			AdwComboRow *zoom_follow_behaviour_row;
53
54			AdwExpanderRow *crosshair_row;
55			AdwSwitchRow *crosshair_overlap_mouse_row;
56			GtkScale *crosshair_thickness_scale;
57			GtkScale *crosshair_length_scale;
58			GtkColorButton *crosshair_color_button;
59
60			AdwSwitchRow *color_inverted_row;
61			GtkScale *brightness_scale;
62			GtkScale *contrast_scale;
63			GtkScale *grayscale_scale;
64
65			GSettings *magnifier_settings;
66			GSettings *application_settings;
67
68			gboolean is_self_update;
69			};
70
71		✗	G_DEFINE_TYPE (CcUaZoomPage, cc_ua_zoom_page, ADW_TYPE_NAVIGATION_PAGE)
72
73			static void
74		✗	ua_zoom_magnifier_settings_changed_cb (CcUaZoomPage *self,
75			char *key)
76			{
77			GSettings *settings;
78			guint selected_index;
79
80		✗	g_assert (CC_IS_UA_ZOOM_PAGE (self));
81
82		✗	self->is_self_update = TRUE;
83		✗	settings = self->magnifier_settings;
84
85		✗	if (!key || g_str_equal (key, "lens-mode"))
86			{
87			gboolean lens_mode;
88
89		✗	lens_mode = g_settings_get_boolean (settings, "lens-mode");
90
91		✗	if (lens_mode)
92		✗	selected_index = 0;
93			else
94		✗	selected_index = 1;
95
96		✗	adw_combo_row_set_selected (self->magnify_view_row, selected_index);
97		✗	gtk_widget_set_sensitive (GTK_WIDGET (self->magnify_outside_screen_row), !lens_mode);
98			}
99
100		✗	if (!key || g_str_equal (key, "mouse-tracking"))
101			{
102		✗	g_autofree char *tracking = NULL;
103
104		✗	tracking = g_settings_get_string (settings, "mouse-tracking");
105
106		✗	if (g_strcmp0 (tracking, "proportional") == 0)
107		✗	selected_index = 0;
108		✗	else if (g_strcmp0 (tracking, "push") == 0)
109		✗	selected_index = 1;
110			else
111		✗	selected_index = 3;
112
113		✗	adw_combo_row_set_selected (self->zoom_follow_behaviour_row, selected_index);
114			}
115
116		✗	if (!key || g_str_equal (key, "screen-position"))
117			{
118		✗	g_autofree char *position = NULL;
119
120		✗	position = g_settings_get_string (settings, "screen-position");
121
122		✗	if (g_strcmp0 (position, "top-half") == 0)
123		✗	selected_index = 1;
124		✗	else if (g_strcmp0 (position, "bottom-half") == 0)
125		✗	selected_index = 2;
126		✗	else if (g_strcmp0 (position, "left-half") == 0)
127		✗	selected_index = 3;
128		✗	else if (g_strcmp0 (position, "right-half") == 0)
129		✗	selected_index = 4;
130			else
131		✗	selected_index = 0;
132
133		✗	adw_combo_row_set_selected (self->zoom_screen_area_row, selected_index);
134			}
135
136		✗	if (!key || g_str_has_prefix (key, "cross-hairs-"))
137			{
138		✗	g_autofree char *color = NULL;
139			GdkRGBA rgba;
140
141		✗	color = g_settings_get_string (self->magnifier_settings, "cross-hairs-color");
142		✗	gdk_rgba_parse (&rgba, color);
143
144		✗	rgba.alpha = g_settings_get_double (self->magnifier_settings, "cross-hairs-opacity");
145		✗	gtk_color_chooser_set_rgba (GTK_COLOR_CHOOSER (self->crosshair_color_button), &rgba);
146			}
147
148		✗	if (!key || g_str_has_prefix (key, "brightness-"))
149			{
150			gdouble red, green, blue, value;
151
152		✗	red = g_settings_get_double (settings, "brightness-red");
153		✗	green = g_settings_get_double (settings, "brightness-green");
154		✗	blue = g_settings_get_double (settings, "brightness-blue");
155
156		✗	if (red == green && green == blue)
157		✗	value = red;
158			else
159			/* use NTSC conversion weights for reasonable average */
160		✗	value = 0.299 * red + 0.587 * green + 0.114 * blue;
161
162		✗	gtk_range_set_value (GTK_RANGE (self->brightness_scale), value);
163			}
164
165		✗	if (!key || g_str_has_prefix (key, "contrast-"))
166			{
167			gdouble red, green, blue, value;
168
169		✗	red = g_settings_get_double (settings, "contrast-red");
170		✗	green = g_settings_get_double (settings, "contrast-green");
171		✗	blue = g_settings_get_double (settings, "contrast-blue");
172
173		✗	if (red == green && green == blue)
174		✗	value = red;
175			else
176			/* use NTSC conversion weights for reasonable average */
177		✗	value = 0.299 * red + 0.587 * green + 0.114 * blue;
178
179		✗	gtk_range_set_value (GTK_RANGE (self->contrast_scale), value);
180			}
181
182		✗	self->is_self_update = FALSE;
183		✗	}
184
185			static void
186		✗	ua_zoom_magnify_postion_row_changed_cb (CcUaZoomPage *self)
187			{
188			guint selected_index;
189			gboolean is_lens;
190
191		✗	g_assert (CC_IS_UA_ZOOM_PAGE (self));
192
193		✗	selected_index = adw_combo_row_get_selected (self->magnify_view_row);
194		✗	is_lens = selected_index == 0;
195		✗	gtk_widget_set_sensitive (GTK_WIDGET (self->magnify_outside_screen_row), !is_lens);
196
197		✗	if (!self->is_self_update)
198		✗	g_settings_set_boolean (self->magnifier_settings, "lens-mode", is_lens);
199		✗	}
200
201			static void
202		✗	ua_zoom_screen_area_row_changed_cb (CcUaZoomPage *self)
203			{
204			const char *position;
205			guint selected_index;
206
207		✗	g_assert (CC_IS_UA_ZOOM_PAGE (self));
208
209		✗	if (self->is_self_update)
210		✗	return;
211
212		✗	selected_index = adw_combo_row_get_selected (self->zoom_screen_area_row);
213
214		✗	if (selected_index == 1)
215		✗	position = "top-half";
216		✗	else if (selected_index == 2)
217		✗	position = "bottom-half";
218		✗	else if (selected_index == 3)
219		✗	position = "left-half";
220		✗	else if (selected_index == 4)
221		✗	position = "right-half";
222			else
223		✗	position = "full-screen";
224
225		✗	g_settings_set_string (self->magnifier_settings, "screen-position", position);
226			}
227
228			static void
229		✗	ua_zoom_behaviour_row_changed_cb (CcUaZoomPage *self)
230			{
231			const char *tracking;
232			guint selected_index;
233
234		✗	g_assert (CC_IS_UA_ZOOM_PAGE (self));
235
236		✗	if (self->is_self_update)
237		✗	return;
238
239		✗	selected_index = adw_combo_row_get_selected (self->zoom_follow_behaviour_row);
240
241		✗	if (selected_index == 0)
242		✗	tracking = "proportional";
243		✗	else if (selected_index == 1)
244		✗	tracking = "push";
245			else
246		✗	tracking = "centered";
247
248		✗	g_settings_set_string (self->magnifier_settings, "mouse-tracking", tracking);
249			}
250
251			#define TO_HEX(x) (int) ((gdouble) x * 255.0)
252			static void
253		✗	ua_zoom_crosshair_color_set_cb (CcUaZoomPage *self)
254			{
255		✗	g_autofree char *color = NULL;
256			GdkRGBA rgba;
257
258		✗	g_assert (CC_IS_UA_ZOOM_PAGE (self));
259
260		✗	if (self->is_self_update)
261		✗	return;
262
263		✗	gtk_color_chooser_get_rgba (GTK_COLOR_CHOOSER (self->crosshair_color_button), &rgba);
264		✗	color = g_strdup_printf ("#%02x%02x%02x",
265		✗	TO_HEX (rgba.red),
266		✗	TO_HEX (rgba.green),
267		✗	TO_HEX (rgba.blue));
268
269		✗	g_settings_set_string (self->magnifier_settings, "cross-hairs-color", color);
270		✗	g_settings_set_double (self->magnifier_settings, "cross-hairs-opacity", rgba.alpha);
271			}
272
273			static void
274		✗	ua_zoom_brightness_value_changed_cb (CcUaZoomPage *self)
275			{
276			gdouble value;
277
278		✗	g_assert (CC_IS_UA_ZOOM_PAGE (self));
279
280		✗	if (self->is_self_update)
281		✗	return;
282
283		✗	value = gtk_range_get_value (GTK_RANGE (self->brightness_scale));
284		✗	g_settings_set_double (self->magnifier_settings, "brightness-red", value);
285		✗	g_settings_set_double (self->magnifier_settings, "brightness-green", value);
286		✗	g_settings_set_double (self->magnifier_settings, "brightness-blue", value);
287			}
288
289			static void
290		✗	ua_zoom_contrast_value_changed_cb (CcUaZoomPage *self)
291			{
292			gdouble value;
293
294		✗	g_assert (CC_IS_UA_ZOOM_PAGE (self));
295
296		✗	if (self->is_self_update)
297		✗	return;
298
299		✗	value = gtk_range_get_value (GTK_RANGE (self->contrast_scale));
300		✗	g_settings_set_double (self->magnifier_settings, "contrast-red", value);
301		✗	g_settings_set_double (self->magnifier_settings, "contrast-green", value);
302		✗	g_settings_set_double (self->magnifier_settings, "contrast-blue", value);
303			}
304
305			static void
306		✗	cc_ua_zoom_page_dispose (GObject *object)
307			{
308		✗	CcUaZoomPage *self = (CcUaZoomPage *)object;
309
310		✗	g_clear_object (&self->magnifier_settings);
311		✗	g_clear_object (&self->application_settings);
312
313		✗	G_OBJECT_CLASS (cc_ua_zoom_page_parent_class)->dispose (object);
314		✗	}
315
316			static void
317		✗	cc_ua_zoom_page_class_init (CcUaZoomPageClass *klass)
318			{
319		✗	GObjectClass *object_class = G_OBJECT_CLASS (klass);
320		✗	GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
321
322		✗	object_class->dispose = cc_ua_zoom_page_dispose;
323
324		✗	gtk_widget_class_set_template_from_resource (widget_class,
325			"/org/gnome/control-center/"
326			"universal-access/cc-ua-zoom-page.ui");
327
328		✗	gtk_widget_class_bind_template_child (widget_class, CcUaZoomPage, desktop_zoom_row);
329		✗	gtk_widget_class_bind_template_child (widget_class, CcUaZoomPage, magnify_factor_spin_row);
330		✗	gtk_widget_class_bind_template_child (widget_class, CcUaZoomPage, magnify_view_row);
331
332		✗	gtk_widget_class_bind_template_child (widget_class, CcUaZoomPage, magnify_outside_screen_row);
333		✗	gtk_widget_class_bind_template_child (widget_class, CcUaZoomPage, zoom_screen_area_row);
334		✗	gtk_widget_class_bind_template_child (widget_class, CcUaZoomPage, zoom_follow_behaviour_row);
335
336		✗	gtk_widget_class_bind_template_child (widget_class, CcUaZoomPage, crosshair_row);
337		✗	gtk_widget_class_bind_template_child (widget_class, CcUaZoomPage, crosshair_overlap_mouse_row);
338		✗	gtk_widget_class_bind_template_child (widget_class, CcUaZoomPage, crosshair_thickness_scale);
339		✗	gtk_widget_class_bind_template_child (widget_class, CcUaZoomPage, crosshair_length_scale);
340		✗	gtk_widget_class_bind_template_child (widget_class, CcUaZoomPage, crosshair_length_scale);
341		✗	gtk_widget_class_bind_template_child (widget_class, CcUaZoomPage, crosshair_color_button);
342
343		✗	gtk_widget_class_bind_template_child (widget_class, CcUaZoomPage, color_inverted_row);
344		✗	gtk_widget_class_bind_template_child (widget_class, CcUaZoomPage, brightness_scale);
345		✗	gtk_widget_class_bind_template_child (widget_class, CcUaZoomPage, contrast_scale);
346		✗	gtk_widget_class_bind_template_child (widget_class, CcUaZoomPage, grayscale_scale);
347
348		✗	gtk_widget_class_bind_template_callback (widget_class, ua_zoom_magnify_postion_row_changed_cb);
349		✗	gtk_widget_class_bind_template_callback (widget_class, ua_zoom_screen_area_row_changed_cb);
350		✗	gtk_widget_class_bind_template_callback (widget_class, ua_zoom_behaviour_row_changed_cb);
351		✗	gtk_widget_class_bind_template_callback (widget_class, ua_zoom_crosshair_color_set_cb);
352		✗	gtk_widget_class_bind_template_callback (widget_class, ua_zoom_brightness_value_changed_cb);
353		✗	gtk_widget_class_bind_template_callback (widget_class, ua_zoom_contrast_value_changed_cb);
354		✗	}
355
356			static void
357		✗	cc_ua_zoom_page_init (CcUaZoomPage *self)
358			{
359		✗	gtk_widget_init_template (GTK_WIDGET (self));
360
361		✗	self->magnifier_settings = g_settings_new (A11Y_SETTINGS ".magnifier");
362		✗	self->application_settings = g_settings_new (APPLICATION_SETTINGS);
363
364		✗	g_settings_bind (self->application_settings, KEY_SCREEN_MAGNIFIER_ENABLED,
365		✗	self->desktop_zoom_row, "active",
366			G_SETTINGS_BIND_DEFAULT);
367		✗	g_settings_bind (self->magnifier_settings, "mag-factor",
368		✗	adw_spin_row_get_adjustment (self->magnify_factor_spin_row),
369			"value", G_SETTINGS_BIND_DEFAULT);
370		✗	g_settings_bind (self->magnifier_settings, "scroll-at-edges",
371		✗	self->magnify_outside_screen_row, "active",
372			G_SETTINGS_BIND_DEFAULT);
373
374			/* Cross hairs */
375		✗	g_settings_bind (self->magnifier_settings, "show-cross-hairs",
376		✗	self->crosshair_row, "enable-expansion",
377			G_SETTINGS_BIND_DEFAULT);
378		✗	g_settings_bind (self->magnifier_settings, "cross-hairs-clip",
379		✗	self->crosshair_overlap_mouse_row, "active",
380			G_SETTINGS_BIND_INVERT_BOOLEAN);
381
382		✗	g_settings_bind (self->magnifier_settings, "cross-hairs-thickness",
383		✗	gtk_range_get_adjustment (GTK_RANGE (self->crosshair_thickness_scale)), "value",
384			G_SETTINGS_BIND_DEFAULT);
385		✗	g_settings_bind (self->magnifier_settings, "cross-hairs-length",
386		✗	gtk_range_get_adjustment (GTK_RANGE (self->crosshair_length_scale)), "value",
387			G_SETTINGS_BIND_DEFAULT);
388
389			/* Cross hairs effects */
390		✗	g_settings_bind (self->magnifier_settings, "invert-lightness",
391		✗	self->color_inverted_row, "active",
392			G_SETTINGS_BIND_DEFAULT);
393
394		✗	g_settings_bind (self->magnifier_settings, "color-saturation",
395		✗	gtk_range_get_adjustment (GTK_RANGE (self->grayscale_scale)), "value",
396			G_SETTINGS_BIND_DEFAULT);
397
398		✗	g_signal_connect_object (self->magnifier_settings, "changed",
399			G_CALLBACK (ua_zoom_magnifier_settings_changed_cb),
400			self, G_CONNECT_SWAPPED);
401		✗	ua_zoom_magnifier_settings_changed_cb (self, NULL);
402		✗	}
403