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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "wayland_display.h" | |
6 | |
7 #include <string.h> | |
8 #include <wayland-client.h> | |
9 | |
10 #include "wayland_buffer.h" | |
11 #include "wayland_input_device.h" | |
12 #include "wayland_screen.h" | |
13 #include "wayland_window.h" | |
14 | |
15 // static | |
16 WaylandDisplay* WaylandDisplay::Connect(char* name) { | |
17 static WaylandDisplay *display = NULL; | |
18 if (display) { | |
19 return display; | |
20 } | |
21 | |
22 display = new WaylandDisplay(name); | |
23 if (!display->display_) { | |
24 delete display; | |
25 display = NULL; | |
26 return NULL; | |
27 } | |
28 | |
29 /* Register the display initialization handler and iterate over the initial | |
30 connection events sent by the server. This is required since the display will | |
31 send registration events needed to initialize everything else. This will | |
32 create the compositor, visuals, etc.., which are required in creating a | |
33 drawing context. | |
34 */ | |
35 wl_display_add_global_listener(display->display_, | |
36 WaylandDisplay::DisplayHandleGlobal, | |
37 display); | |
38 wl_display_iterate(display->display_, WL_DISPLAY_READABLE); | |
39 | |
40 return display; | |
41 } | |
42 | |
43 WaylandDisplay::WaylandDisplay(char* name) : display_(NULL), | |
44 compositor_(NULL), | |
45 shell_(NULL), | |
46 shm_(NULL), | |
47 visual_(NULL) { | |
48 display_ = wl_display_connect(name); | |
49 } | |
50 | |
51 WaylandDisplay::~WaylandDisplay() { | |
52 if (display_) { | |
53 wl_display_destroy(display_); | |
54 } | |
Evan Martin
2011/07/22 18:21:22
Chrome style is for single-line "if" statements to
| |
55 if (compositor_) { | |
56 wl_compositor_destroy(compositor_); | |
57 } | |
58 if (visual_) { | |
59 wl_visual_destroy(visual_); | |
60 } | |
61 if (shell_) { | |
62 wl_shell_destroy(shell_); | |
63 } | |
64 if (shm_) { | |
65 wl_shm_destroy(shm_); | |
66 } | |
67 for (std::list<WaylandInputDevice*>::iterator it = input_list_.begin(); | |
68 it != input_list_.end(); it++) { | |
69 delete *it; | |
70 } | |
71 for (std::list<WaylandScreen*>::iterator it = screen_list_.begin(); | |
72 it != screen_list_.end(); it++) { | |
73 delete *it; | |
74 } | |
75 } | |
76 | |
77 wl_surface* WaylandDisplay::CreateSurface() { | |
78 return wl_compositor_create_surface(compositor_); | |
79 } | |
80 | |
81 void WaylandDisplay::SetCursor(WaylandBuffer* buffer, | |
82 int32_t x, int32_t y) { | |
83 /* Currently there is no way of knowing which input device should have the | |
84 buffer attached, so we just attach to every input device. | |
85 */ | |
86 for (std::list<WaylandInputDevice*>::iterator it = input_list_.begin(); | |
87 it != input_list_.end(); it++) { | |
88 (*it)->Attach(buffer->GetBuffer(), x, y); | |
89 } | |
90 } | |
91 | |
92 wl_display* WaylandDisplay::GetNativeDisplay() const { | |
93 return display_; | |
94 } | |
95 | |
96 std::list<WaylandScreen*> WaylandDisplay::GetScreenList() const { | |
97 return screen_list_; | |
98 } | |
99 | |
100 wl_shell* WaylandDisplay::GetShell() const { | |
101 return shell_; | |
102 } | |
103 | |
104 wl_shm* WaylandDisplay::GetShm() const { | |
105 return shm_; | |
106 } | |
107 | |
108 wl_visual* WaylandDisplay::GetVisual() const { | |
109 return visual_; | |
110 } | |
111 | |
112 // static | |
113 void WaylandDisplay::DisplayHandleGlobal(wl_display* display, | |
114 uint32_t id, | |
115 const char* interface, | |
116 uint32_t version, | |
117 void* data) { | |
118 WaylandDisplay* disp = static_cast<WaylandDisplay*>(data); | |
119 | |
120 static const wl_compositor_listener compositor_listener = { | |
121 WaylandDisplay::CompositorHandleVisual, | |
122 }; | |
123 static const wl_shell_listener shell_listener = { | |
124 WaylandDisplay::ShellHandleConfigure, | |
125 }; | |
126 | |
127 if (strcmp(interface, "wl_compositor") == 0) { | |
128 disp->compositor_ = wl_compositor_create(display, id, 1); | |
129 wl_compositor_add_listener(disp->compositor_, | |
130 &compositor_listener, | |
131 disp); | |
132 } else if (strcmp(interface, "wl_output") == 0) { | |
133 WaylandScreen* screen = new WaylandScreen(disp, id); | |
134 disp->screen_list_.push_back(screen); | |
135 } else if (strcmp(interface, "wl_input_device") == 0) { | |
136 WaylandInputDevice *input_device = new WaylandInputDevice(display, id); | |
137 disp->input_list_.push_back(input_device); | |
138 } else if (strcmp(interface, "wl_shell") == 0) { | |
139 disp->shell_ = wl_shell_create(display, id, 1); | |
140 wl_shell_add_listener(disp->shell_, &shell_listener, disp); | |
141 } else if (strcmp(interface, "wl_shm") == 0) { | |
142 disp->shm_ = wl_shm_create(display, id, 1); | |
143 } | |
144 } | |
145 | |
146 // static | |
147 void WaylandDisplay::CompositorHandleVisual(void* data, | |
148 wl_compositor* compositor, | |
149 uint32_t id, | |
150 uint32_t token) { | |
151 WaylandDisplay* display = static_cast<WaylandDisplay*>(data); | |
152 | |
153 /* The compositor may support multiple types of visuals but we really only | |
154 need one. | |
155 */ | |
156 switch (token) { | |
157 case WL_COMPOSITOR_VISUAL_ARGB32: | |
158 break; | |
159 case WL_COMPOSITOR_VISUAL_PREMULTIPLIED_ARGB32: | |
160 display->visual_ = wl_visual_create(display->display_, id, 1); | |
161 break; | |
162 case WL_COMPOSITOR_VISUAL_XRGB32: | |
163 break; | |
164 } | |
165 } | |
166 | |
167 // static | |
168 void WaylandDisplay::ShellHandleConfigure(void* data, | |
169 wl_shell* shell, | |
170 uint32_t time, | |
171 uint32_t edges, | |
172 wl_surface* surface, | |
173 int32_t width, | |
174 int32_t height) { | |
175 WaylandWindow* window = static_cast<WaylandWindow*>( | |
176 wl_surface_get_user_data(surface)); | |
177 window->Configure(time, edges, 0, 0, width, height); | |
178 } | |
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