1 // Copyright (c) 2012 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 "chrome/browser/ui/libgtk2ui/gtk2_util.h" 6 7 #include <gtk/gtk.h> 8 9 #include "base/command_line.h" 10 #include "base/environment.h" 11 #include "base/memory/scoped_ptr.h" 12 #include "ui/base/accelerators/accelerator.h" 13 #include "ui/base/events/event_constants.h" 14 #include "ui/base/keycodes/keyboard_code_conversion_x.h" 15 #include "ui/gfx/size.h" 16 17 namespace { 18 19 void CommonInitFromCommandLine(const CommandLine& command_line, 20 void (*init_func)(gint*, gchar***)) { 21 const std::vector<std::string>& args = command_line.argv(); 22 int argc = args.size(); 23 scoped_ptr<char *[]> argv(new char *[argc + 1]); 24 for (size_t i = 0; i < args.size(); ++i) { 25 // TODO(piman (at) google.com): can gtk_init modify argv? Just being safe 26 // here. 27 argv[i] = strdup(args[i].c_str()); 28 } 29 argv[argc] = NULL; 30 char **argv_pointer = argv.get(); 31 32 init_func(&argc, &argv_pointer); 33 for (size_t i = 0; i < args.size(); ++i) { 34 free(argv[i]); 35 } 36 } 37 38 } // namespace 39 40 namespace libgtk2ui { 41 42 void GtkInitFromCommandLine(const CommandLine& command_line) { 43 CommonInitFromCommandLine(command_line, gtk_init); 44 } 45 46 // TODO(erg): This method was copied out of shell_integration_linux.cc. Because 47 // of how this library is structured as a stand alone .so, we can't call code 48 // from browser and above. 49 std::string GetDesktopName(base::Environment* env) { 50 #if defined(GOOGLE_CHROME_BUILD) 51 return "google-chrome.desktop"; 52 #else // CHROMIUM_BUILD 53 // Allow $CHROME_DESKTOP to override the built-in value, so that development 54 // versions can set themselves as the default without interfering with 55 // non-official, packaged versions using the built-in value. 56 std::string name; 57 if (env->GetVar("CHROME_DESKTOP", &name) && !name.empty()) 58 return name; 59 return "chromium-browser.desktop"; 60 #endif 61 } 62 63 void SetAlwaysShowImage(GtkWidget* image_menu_item) { 64 gtk_image_menu_item_set_always_show_image( 65 GTK_IMAGE_MENU_ITEM(image_menu_item), TRUE); 66 } 67 68 guint GetGdkKeyCodeForAccelerator(const ui::Accelerator& accelerator) { 69 // The second parameter is false because accelerator keys are expressed in 70 // terms of the non-shift-modified key. 71 return XKeysymForWindowsKeyCode(accelerator.key_code(), false); 72 } 73 74 GdkModifierType GetGdkModifierForAccelerator( 75 const ui::Accelerator& accelerator) { 76 int event_flag = accelerator.modifiers(); 77 int modifier = 0; 78 if (event_flag & ui::EF_SHIFT_DOWN) 79 modifier |= GDK_SHIFT_MASK; 80 if (event_flag & ui::EF_CONTROL_DOWN) 81 modifier |= GDK_CONTROL_MASK; 82 if (event_flag & ui::EF_ALT_DOWN) 83 modifier |= GDK_MOD1_MASK; 84 return static_cast<GdkModifierType>(modifier); 85 } 86 87 int EventFlagsFromGdkState(guint state) { 88 int flags = ui::EF_NONE; 89 flags |= (state & GDK_LOCK_MASK) ? ui::EF_CAPS_LOCK_DOWN : ui::EF_NONE; 90 flags |= (state & GDK_CONTROL_MASK) ? ui::EF_CONTROL_DOWN : ui::EF_NONE; 91 flags |= (state & GDK_SHIFT_MASK) ? ui::EF_SHIFT_DOWN : ui::EF_NONE; 92 flags |= (state & GDK_MOD1_MASK) ? ui::EF_ALT_DOWN : ui::EF_NONE; 93 flags |= (state & GDK_BUTTON1_MASK) ? ui::EF_LEFT_MOUSE_BUTTON : ui::EF_NONE; 94 flags |= 95 (state & GDK_BUTTON2_MASK) ? ui::EF_MIDDLE_MOUSE_BUTTON : ui::EF_NONE; 96 flags |= (state & GDK_BUTTON3_MASK) ? ui::EF_RIGHT_MOUSE_BUTTON : ui::EF_NONE; 97 return flags; 98 } 99 100 } // namespace libgtk2ui 101
