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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 "chrome/browser/ui/gtk/accelerators_gtk.h"
      6 
      7 #include <gdk/gdk.h>
      8 #include <gdk/gdkkeysyms.h>
      9 #include <X11/XF86keysym.h>
     10 
     11 #include "base/memory/singleton.h"
     12 #include "chrome/app/chrome_command_ids.h"
     13 
     14 namespace {
     15 
     16 // A mostly complete list of chrome's accelerators. When one command has
     17 // multiple shortcuts, the first one in this list is considered "primary",
     18 // meaning that it will be displayed in context menus.
     19 const struct AcceleratorMapping {
     20   guint keyval;
     21   int command_id;
     22   GdkModifierType modifier_type;
     23 } kAcceleratorMap[] = {
     24   // Focus.
     25   { GDK_k, IDC_FOCUS_SEARCH, GDK_CONTROL_MASK },
     26   { GDK_e, IDC_FOCUS_SEARCH, GDK_CONTROL_MASK },
     27   { XF86XK_Search, IDC_FOCUS_SEARCH, GdkModifierType(0) },
     28   { GDK_l, IDC_FOCUS_LOCATION, GDK_CONTROL_MASK },
     29   { GDK_d, IDC_FOCUS_LOCATION, GDK_MOD1_MASK },
     30   { GDK_F6, IDC_FOCUS_LOCATION, GdkModifierType(0) },
     31   { XF86XK_OpenURL, IDC_FOCUS_LOCATION, GdkModifierType(0) },
     32   { XF86XK_Go, IDC_FOCUS_LOCATION, GdkModifierType(0) },
     33 
     34   // Tab/window controls.
     35   { GDK_Page_Down, IDC_SELECT_NEXT_TAB, GDK_CONTROL_MASK },
     36   { GDK_Page_Up, IDC_SELECT_PREVIOUS_TAB, GDK_CONTROL_MASK },
     37   { GDK_Page_Down, IDC_MOVE_TAB_NEXT,
     38     GdkModifierType(GDK_CONTROL_MASK | GDK_SHIFT_MASK) },
     39   { GDK_Page_Up, IDC_MOVE_TAB_PREVIOUS,
     40     GdkModifierType(GDK_CONTROL_MASK | GDK_SHIFT_MASK) },
     41   { GDK_Page_Up, IDC_SELECT_PREVIOUS_TAB, GDK_CONTROL_MASK },
     42   { GDK_w, IDC_CLOSE_TAB, GDK_CONTROL_MASK },
     43   { GDK_t, IDC_RESTORE_TAB,
     44     GdkModifierType(GDK_CONTROL_MASK | GDK_SHIFT_MASK) },
     45   { GDK_t, IDC_NEW_TAB, GDK_CONTROL_MASK },
     46   { GDK_n, IDC_NEW_WINDOW, GDK_CONTROL_MASK },
     47   { GDK_n, IDC_NEW_INCOGNITO_WINDOW,
     48     GdkModifierType(GDK_CONTROL_MASK | GDK_SHIFT_MASK) },
     49 
     50   { GDK_1, IDC_SELECT_TAB_0, GDK_CONTROL_MASK },
     51   { GDK_2, IDC_SELECT_TAB_1, GDK_CONTROL_MASK },
     52   { GDK_3, IDC_SELECT_TAB_2, GDK_CONTROL_MASK },
     53   { GDK_4, IDC_SELECT_TAB_3, GDK_CONTROL_MASK },
     54   { GDK_5, IDC_SELECT_TAB_4, GDK_CONTROL_MASK },
     55   { GDK_6, IDC_SELECT_TAB_5, GDK_CONTROL_MASK },
     56   { GDK_7, IDC_SELECT_TAB_6, GDK_CONTROL_MASK },
     57   { GDK_8, IDC_SELECT_TAB_7, GDK_CONTROL_MASK },
     58   { GDK_9, IDC_SELECT_LAST_TAB, GDK_CONTROL_MASK },
     59 
     60   { GDK_1, IDC_SELECT_TAB_0, GDK_MOD1_MASK },
     61   { GDK_2, IDC_SELECT_TAB_1, GDK_MOD1_MASK },
     62   { GDK_3, IDC_SELECT_TAB_2, GDK_MOD1_MASK },
     63   { GDK_4, IDC_SELECT_TAB_3, GDK_MOD1_MASK },
     64   { GDK_5, IDC_SELECT_TAB_4, GDK_MOD1_MASK },
     65   { GDK_6, IDC_SELECT_TAB_5, GDK_MOD1_MASK },
     66   { GDK_7, IDC_SELECT_TAB_6, GDK_MOD1_MASK },
     67   { GDK_8, IDC_SELECT_TAB_7, GDK_MOD1_MASK },
     68   { GDK_9, IDC_SELECT_LAST_TAB, GDK_MOD1_MASK },
     69 
     70   { GDK_KP_1, IDC_SELECT_TAB_0, GDK_CONTROL_MASK },
     71   { GDK_KP_2, IDC_SELECT_TAB_1, GDK_CONTROL_MASK },
     72   { GDK_KP_3, IDC_SELECT_TAB_2, GDK_CONTROL_MASK },
     73   { GDK_KP_4, IDC_SELECT_TAB_3, GDK_CONTROL_MASK },
     74   { GDK_KP_5, IDC_SELECT_TAB_4, GDK_CONTROL_MASK },
     75   { GDK_KP_6, IDC_SELECT_TAB_5, GDK_CONTROL_MASK },
     76   { GDK_KP_7, IDC_SELECT_TAB_6, GDK_CONTROL_MASK },
     77   { GDK_KP_8, IDC_SELECT_TAB_7, GDK_CONTROL_MASK },
     78   { GDK_KP_9, IDC_SELECT_LAST_TAB, GDK_CONTROL_MASK },
     79 
     80   { GDK_KP_1, IDC_SELECT_TAB_0, GDK_MOD1_MASK },
     81   { GDK_KP_2, IDC_SELECT_TAB_1, GDK_MOD1_MASK },
     82   { GDK_KP_3, IDC_SELECT_TAB_2, GDK_MOD1_MASK },
     83   { GDK_KP_4, IDC_SELECT_TAB_3, GDK_MOD1_MASK },
     84   { GDK_KP_5, IDC_SELECT_TAB_4, GDK_MOD1_MASK },
     85   { GDK_KP_6, IDC_SELECT_TAB_5, GDK_MOD1_MASK },
     86   { GDK_KP_7, IDC_SELECT_TAB_6, GDK_MOD1_MASK },
     87   { GDK_KP_8, IDC_SELECT_TAB_7, GDK_MOD1_MASK },
     88   { GDK_KP_9, IDC_SELECT_LAST_TAB, GDK_MOD1_MASK },
     89 
     90   { GDK_F4, IDC_CLOSE_TAB, GDK_CONTROL_MASK },
     91   { GDK_F4, IDC_CLOSE_WINDOW, GDK_MOD1_MASK },
     92 
     93   // Zoom level.
     94   { GDK_KP_Add, IDC_ZOOM_PLUS, GDK_CONTROL_MASK },
     95   { GDK_plus, IDC_ZOOM_PLUS,
     96     GdkModifierType(GDK_CONTROL_MASK | GDK_SHIFT_MASK) },
     97   { GDK_equal, IDC_ZOOM_PLUS, GDK_CONTROL_MASK },
     98   { XF86XK_ZoomIn, IDC_ZOOM_PLUS, GdkModifierType(0) },
     99   { GDK_KP_0, IDC_ZOOM_NORMAL, GDK_CONTROL_MASK },
    100   { GDK_0, IDC_ZOOM_NORMAL, GDK_CONTROL_MASK },
    101   { GDK_KP_Subtract, IDC_ZOOM_MINUS, GDK_CONTROL_MASK },
    102   { GDK_minus, IDC_ZOOM_MINUS, GDK_CONTROL_MASK },
    103   { GDK_underscore, IDC_ZOOM_MINUS,
    104     GdkModifierType(GDK_CONTROL_MASK | GDK_SHIFT_MASK) },
    105   { XF86XK_ZoomOut, IDC_ZOOM_MINUS, GdkModifierType(0) },
    106 
    107   // Find in page.
    108   { GDK_g, IDC_FIND_NEXT, GDK_CONTROL_MASK },
    109   { GDK_F3, IDC_FIND_NEXT, GdkModifierType(0) },
    110   { GDK_g, IDC_FIND_PREVIOUS,
    111     GdkModifierType(GDK_CONTROL_MASK | GDK_SHIFT_MASK) },
    112   { GDK_F3, IDC_FIND_PREVIOUS, GDK_SHIFT_MASK },
    113 
    114   // Navigation / toolbar buttons.
    115   { GDK_Home, IDC_HOME, GDK_MOD1_MASK },
    116   { XF86XK_HomePage, IDC_HOME, GdkModifierType(0) },
    117   { GDK_Escape, IDC_STOP, GdkModifierType(0) },
    118   { XF86XK_Stop, IDC_STOP, GdkModifierType(0) },
    119   { GDK_Left, IDC_BACK, GDK_MOD1_MASK },
    120   { XF86XK_Back, IDC_BACK, GdkModifierType(0) },
    121   { GDK_Right, IDC_FORWARD, GDK_MOD1_MASK },
    122   { XF86XK_Forward, IDC_FORWARD, GdkModifierType(0) },
    123   { GDK_r, IDC_RELOAD, GDK_CONTROL_MASK },
    124   { GDK_r, IDC_RELOAD_IGNORING_CACHE,
    125     GdkModifierType(GDK_CONTROL_MASK|GDK_SHIFT_MASK) },
    126   { GDK_F5, IDC_RELOAD, GdkModifierType(0) },
    127   { GDK_F5, IDC_RELOAD_IGNORING_CACHE, GDK_CONTROL_MASK },
    128   { GDK_F5, IDC_RELOAD_IGNORING_CACHE, GDK_SHIFT_MASK },
    129   { XF86XK_Reload, IDC_RELOAD, GdkModifierType(0) },
    130   { XF86XK_Refresh, IDC_RELOAD, GdkModifierType(0) },
    131 
    132   // Dev tools.
    133   { GDK_u, IDC_VIEW_SOURCE, GDK_CONTROL_MASK },
    134   { GDK_i, IDC_DEV_TOOLS,
    135     GdkModifierType(GDK_CONTROL_MASK | GDK_SHIFT_MASK) },
    136   { GDK_F12, IDC_DEV_TOOLS, GdkModifierType(0) },
    137   { GDK_j, IDC_DEV_TOOLS_CONSOLE,
    138     GdkModifierType(GDK_CONTROL_MASK | GDK_SHIFT_MASK) },
    139   { GDK_c, IDC_DEV_TOOLS_INSPECT,
    140     GdkModifierType(GDK_CONTROL_MASK | GDK_SHIFT_MASK) },
    141   { GDK_Escape, IDC_TASK_MANAGER, GDK_SHIFT_MASK },
    142 
    143   // Editing.
    144   { GDK_c, IDC_COPY, GDK_CONTROL_MASK },
    145   { GDK_x, IDC_CUT, GDK_CONTROL_MASK },
    146   { GDK_v, IDC_PASTE, GDK_CONTROL_MASK },
    147 
    148   // Autofill.
    149   { GDK_a, IDC_AUTOFILL_DEFAULT,
    150     GdkModifierType(GDK_CONTROL_MASK | GDK_SHIFT_MASK) },
    151 
    152   // Miscellany.
    153   { GDK_d, IDC_BOOKMARK_ALL_TABS,
    154     GdkModifierType(GDK_CONTROL_MASK | GDK_SHIFT_MASK) },
    155   { GDK_d, IDC_BOOKMARK_PAGE, GDK_CONTROL_MASK },
    156   { GDK_o, IDC_OPEN_FILE, GDK_CONTROL_MASK },
    157   { GDK_f, IDC_FIND, GDK_CONTROL_MASK },
    158   { GDK_p, IDC_PRINT, GDK_CONTROL_MASK },
    159   { GDK_b, IDC_SHOW_BOOKMARK_BAR,
    160     GdkModifierType(GDK_CONTROL_MASK | GDK_SHIFT_MASK) },
    161   { GDK_F11, IDC_FULLSCREEN, GdkModifierType(0) },
    162   { GDK_Delete, IDC_CLEAR_BROWSING_DATA,
    163     GdkModifierType(GDK_CONTROL_MASK | GDK_SHIFT_MASK) },
    164   { GDK_h, IDC_SHOW_HISTORY, GDK_CONTROL_MASK },
    165   { GDK_j, IDC_SHOW_DOWNLOADS, GDK_CONTROL_MASK },
    166   { GDK_F1, IDC_HELP_PAGE, GdkModifierType(0) },
    167   { XF86XK_AddFavorite, IDC_BOOKMARK_PAGE, GdkModifierType(0) },
    168   { XF86XK_Favorites, IDC_SHOW_BOOKMARK_BAR, GdkModifierType(0) },
    169   { XF86XK_History, IDC_SHOW_HISTORY, GdkModifierType(0) },
    170   { GDK_q, IDC_EXIT, GdkModifierType(GDK_CONTROL_MASK | GDK_SHIFT_MASK) },
    171   { GDK_s, IDC_SAVE_PAGE, GDK_CONTROL_MASK },
    172   { GDK_e, IDC_SHOW_APP_MENU, GDK_MOD1_MASK },
    173   { GDK_f, IDC_SHOW_APP_MENU, GDK_MOD1_MASK },
    174 };
    175 
    176 }  // namespace
    177 
    178 AcceleratorsGtk::AcceleratorsGtk() {
    179   for (size_t i = 0; i < arraysize(kAcceleratorMap); ++i) {
    180     int command_id = kAcceleratorMap[i].command_id;
    181     ui::AcceleratorGtk accelerator(kAcceleratorMap[i].keyval,
    182                                       kAcceleratorMap[i].modifier_type);
    183     all_accelerators_.push_back(
    184         std::pair<int, ui::AcceleratorGtk>(command_id, accelerator));
    185 
    186     if (primary_accelerators_.find(command_id) ==
    187         primary_accelerators_.end()) {
    188       primary_accelerators_[command_id] = accelerator;
    189     }
    190   }
    191 }
    192 
    193 AcceleratorsGtk::~AcceleratorsGtk() {}
    194 
    195 // static
    196 AcceleratorsGtk* AcceleratorsGtk::GetInstance() {
    197   return Singleton<AcceleratorsGtk>::get();
    198 }
    199 
    200 const ui::AcceleratorGtk* AcceleratorsGtk::GetPrimaryAcceleratorForCommand(
    201     int command_id) {
    202   base::hash_map<int, ui::AcceleratorGtk>::const_iterator iter =
    203       primary_accelerators_.find(command_id);
    204 
    205   if (iter == primary_accelerators_.end())
    206     return NULL;
    207 
    208   return &iter->second;
    209 }
    210