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Side by Side Diff: ui/display/chromeos/x11/touchscreen_delegate_x11.cc

Issue 192483007: Move chromeos/display/* to ui/display/chromeos (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Fix formatting Created 6 years, 9 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "chromeos/display/touchscreen_delegate_x11.h" 5 #include "ui/display/chromeos/x11/touchscreen_delegate_x11.h"
6 6
7 #include <X11/extensions/XInput.h> 7 #include <X11/extensions/XInput.h>
8 #include <X11/extensions/XInput2.h> 8 #include <X11/extensions/XInput2.h>
9 9
10 #include <cmath> 10 #include <cmath>
11 #include <set> 11 #include <set>
12 12
13 #include "base/message_loop/message_pump_x11.h" 13 #include "base/message_loop/message_pump_x11.h"
14 14
15 namespace chromeos { 15 namespace ui {
16 16
17 TouchscreenDelegateX11::TouchscreenDelegateX11() 17 TouchscreenDelegateX11::TouchscreenDelegateX11()
18 : display_(base::MessagePumpX11::GetDefaultXDisplay()) {} 18 : display_(base::MessagePumpX11::GetDefaultXDisplay()) {}
19 19
20 TouchscreenDelegateX11::~TouchscreenDelegateX11() {} 20 TouchscreenDelegateX11::~TouchscreenDelegateX11() {}
21 21
22 void TouchscreenDelegateX11::AssociateTouchscreens( 22 void TouchscreenDelegateX11::AssociateTouchscreens(
23 std::vector<OutputConfigurator::OutputSnapshot>* outputs) { 23 std::vector<OutputConfigurator::OutputSnapshot>* outputs) {
24 int ndevices = 0; 24 int ndevices = 0;
25 Atom valuator_x = XInternAtom(display_, "Abs MT Position X", False); 25 Atom valuator_x = XInternAtom(display_, "Abs MT Position X", False);
(...skipping 57 matching lines...) Expand 10 before | Expand all | Expand 10 after
83 83
84 // Allow 1 pixel difference between screen and touchscreen 84 // Allow 1 pixel difference between screen and touchscreen
85 // resolutions. Because in some cases for monitor resolution 85 // resolutions. Because in some cases for monitor resolution
86 // 1024x768 touchscreen's resolution would be 1024x768, but for 86 // 1024x768 touchscreen's resolution would be 1024x768, but for
87 // some 1023x767. It really depends on touchscreen's firmware 87 // some 1023x767. It really depends on touchscreen's firmware
88 // configuration. 88 // configuration.
89 if (std::abs(mode_info->width - width) <= 1.0 && 89 if (std::abs(mode_info->width - width) <= 1.0 &&
90 std::abs(mode_info->height - height) <= 1.0) { 90 std::abs(mode_info->height - height) <= 1.0) {
91 output->touch_device_id = info[i].deviceid; 91 output->touch_device_id = info[i].deviceid;
92 92
93 VLOG(2) << "Found touchscreen for output #" << k 93 VLOG(2) << "Found touchscreen for output #" << k << " id "
94 << " id " << output->touch_device_id 94 << output->touch_device_id << " width " << width << " height "
95 << " width " << width 95 << height;
96 << " height " << height;
97 break; 96 break;
98 } 97 }
99 } 98 }
100 99
101 if (k == outputs->size()) { 100 if (k == outputs->size()) {
102 no_match_touchscreen.insert(info[i].deviceid); 101 no_match_touchscreen.insert(info[i].deviceid);
103 VLOG(2) << "No matching output for touchscreen" 102 VLOG(2) << "No matching output for touchscreen"
104 << " id " << info[i].deviceid 103 << " id " << info[i].deviceid << " width " << width
105 << " width " << width
106 << " height " << height; 104 << " height " << height;
107 } 105 }
108
109 } 106 }
110 } 107 }
111 108
112 // Sometimes we can't find a matching screen for the touchscreen, e.g. 109 // Sometimes we can't find a matching screen for the touchscreen, e.g.
113 // due to the touchscreen's reporting range having no correlation with the 110 // due to the touchscreen's reporting range having no correlation with the
114 // screen's resolution. In this case, we arbitrarily assign unmatched 111 // screen's resolution. In this case, we arbitrarily assign unmatched
115 // touchscreens to unmatched screens. 112 // touchscreens to unmatched screens.
116 for (std::set<int>::iterator it = no_match_touchscreen.begin(); 113 for (std::set<int>::iterator it = no_match_touchscreen.begin();
117 it != no_match_touchscreen.end(); 114 it != no_match_touchscreen.end();
118 it++) { 115 it++) {
119 for (size_t i = 0; i < outputs->size(); i++) { 116 for (size_t i = 0; i < outputs->size(); i++) {
120 if ((*outputs)[i].type != ui::OUTPUT_TYPE_INTERNAL && 117 if ((*outputs)[i].type != ui::OUTPUT_TYPE_INTERNAL &&
121 (*outputs)[i].native_mode != None && 118 (*outputs)[i].native_mode != None &&
122 (*outputs)[i].touch_device_id == None) { 119 (*outputs)[i].touch_device_id == None) {
123 (*outputs)[i].touch_device_id = *it; 120 (*outputs)[i].touch_device_id = *it;
124 VLOG(2) << "Arbitrarily matching touchscreen " 121 VLOG(2) << "Arbitrarily matching touchscreen "
125 << (*outputs)[i].touch_device_id << " to output #" << i; 122 << (*outputs)[i].touch_device_id << " to output #" << i;
126 break; 123 break;
127 } 124 }
128 } 125 }
129 } 126 }
130 127
131 XIFreeDeviceInfo(info); 128 XIFreeDeviceInfo(info);
132 } 129 }
133 130
134 void TouchscreenDelegateX11::ConfigureCTM( 131 void TouchscreenDelegateX11::ConfigureCTM(
135 int touch_device_id, 132 int touch_device_id,
136 const OutputConfigurator::CoordinateTransformation& ctm) { 133 const OutputConfigurator::CoordinateTransformation& ctm) {
137 VLOG(1) << "ConfigureCTM: id=" << touch_device_id 134 VLOG(1) << "ConfigureCTM: id=" << touch_device_id << " scale=" << ctm.x_scale
138 << " scale=" << ctm.x_scale << "x" << ctm.y_scale 135 << "x" << ctm.y_scale << " offset=(" << ctm.x_offset << ", "
139 << " offset=(" << ctm.x_offset << ", " << ctm.y_offset << ")"; 136 << ctm.y_offset << ")";
140 int ndevices = 0; 137 int ndevices = 0;
141 XIDeviceInfo* info = XIQueryDevice(display_, touch_device_id, &ndevices); 138 XIDeviceInfo* info = XIQueryDevice(display_, touch_device_id, &ndevices);
142 Atom prop = XInternAtom(display_, "Coordinate Transformation Matrix", False); 139 Atom prop = XInternAtom(display_, "Coordinate Transformation Matrix", False);
143 Atom float_atom = XInternAtom(display_, "FLOAT", False); 140 Atom float_atom = XInternAtom(display_, "FLOAT", False);
144 if (ndevices == 1 && prop != None && float_atom != None) { 141 if (ndevices == 1 && prop != None && float_atom != None) {
145 Atom type; 142 Atom type;
146 int format; 143 int format;
147 unsigned long num_items; 144 unsigned long num_items;
148 unsigned long bytes_after; 145 unsigned long bytes_after;
149 unsigned char* data = NULL; 146 unsigned char* data = NULL;
150 // Verify that the property exists with correct format, type, etc. 147 // Verify that the property exists with correct format, type, etc.
151 int status = XIGetProperty(display_, info->deviceid, prop, 0, 0, False, 148 int status = XIGetProperty(display_,
152 AnyPropertyType, &type, &format, &num_items, &bytes_after, &data); 149 info->deviceid,
150 prop,
151 0,
152 0,
153 False,
154 AnyPropertyType,
155 &type,
156 &format,
157 &num_items,
158 &bytes_after,
159 &data);
153 if (data) 160 if (data)
154 XFree(data); 161 XFree(data);
155 if (status == Success && type == float_atom && format == 32) { 162 if (status == Success && type == float_atom && format == 32) {
156 float value[3][3] = { 163 float value[3][3] = {
157 { ctm.x_scale, 0.0, ctm.x_offset }, 164 { ctm.x_scale, 0.0, ctm.x_offset },
158 { 0.0, ctm.y_scale, ctm.y_offset }, 165 { 0.0, ctm.y_scale, ctm.y_offset },
159 { 0.0, 0.0, 1.0 } 166 { 0.0, 0.0, 1.0 }
160 }; 167 };
161 XIChangeProperty(display_, 168 XIChangeProperty(display_,
162 info->deviceid, 169 info->deviceid,
163 prop, 170 prop,
164 type, 171 type,
165 format, 172 format,
166 PropModeReplace, 173 PropModeReplace,
167 reinterpret_cast<unsigned char*>(value), 174 reinterpret_cast<unsigned char*>(value),
168 9); 175 9);
169 } 176 }
170 } 177 }
171 XIFreeDeviceInfo(info); 178 XIFreeDeviceInfo(info);
172 } 179 }
173 180
174 } // namespace chromeos 181 } // namespace ui
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