diff options
Diffstat (limited to 'client/windows/red_window.cpp')
| -rw-r--r-- | client/windows/red_window.cpp | 933 |
1 files changed, 933 insertions, 0 deletions
diff --git a/client/windows/red_window.cpp b/client/windows/red_window.cpp new file mode 100644 index 00000000..0b25a798 --- /dev/null +++ b/client/windows/red_window.cpp @@ -0,0 +1,933 @@ +/* + Copyright (C) 2009 Red Hat, Inc. + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2 of + the License, or (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include "common.h" +#include "red_window.h" +#include "pixels_source_p.h" +#include "utils.h" +#include "debug.h" +#include "red.h" +#include "menu.h" +#include "win_platform.h" +#include "platform_utils.h" + +#define NATIVE_CAPTION_STYLE (WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX) + +extern HINSTANCE instance; + +static ATOM class_atom = 0; +static const LPCWSTR win_class_name = L"redc_wclass"; +static HWND focus_window = NULL; +static HHOOK low_keyboard_hook = NULL; + + +static inline int to_red_mouse_state(WPARAM wParam) +{ + return ((wParam & MK_LBUTTON) ? REDC_LBUTTON_MASK : 0) | + ((wParam & MK_MBUTTON) ? REDC_MBUTTON_MASK : 0) | + ((wParam & MK_RBUTTON) ? REDC_RBUTTON_MASK : 0); +} + +static inline RedKey translate_key(int virtual_key, uint32_t scan, bool escape) +{ + if (scan == 0) { + return REDKEY_INVALID; + } + switch (virtual_key) { + case VK_PAUSE: + return REDKEY_PAUSE; + case VK_SNAPSHOT: + return REDKEY_CTRL_PRINT_SCREEN; + case VK_NUMLOCK: + return REDKEY_NUM_LOCK; + case VK_HANGUL: + return REDKEY_KOREAN_HANGUL; + case VK_HANJA: + return REDKEY_KOREAN_HANGUL_HANJA; + case VK_PROCESSKEY: + if (scan == 0xf1) { + return REDKEY_INVALID; // prevent double key (VK_PROCESSKEY + VK_HANJA) + } else if (scan == 0xf2) { + return REDKEY_KOREAN_HANGUL; + } + default: + //todo: always use vitrtual key + if (escape) { + scan += REDKEY_ESCAPE_BASE; + } + return (RedKey)scan; + } +} + +static int menu_cmd_to_app(WPARAM wparam) +{ + return 0; +} + +LRESULT CALLBACK RedWindow_p::WindowProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) +{ + RedWindow* window = (RedWindow*)GetWindowLong(hWnd, GWL_USERDATA); + ASSERT(window); + + switch (message) { + case WM_PAINT: { + PAINTSTRUCT ps; + HDC hdc; + + hdc = BeginPaint(hWnd, &ps); + Point origin = window->get_origin(); + Rect r; + r.left = ps.rcPaint.left - origin.x; + r.top = ps.rcPaint.top - origin.y; + r.right = ps.rcPaint.right - origin.x; + r.bottom = ps.rcPaint.bottom - origin.y; + window->get_listener().on_exposed_rect(r); + EndPaint(hWnd, &ps); + break; + } + case WM_MOUSEMOVE: { + if (!window->_pointer_in_window) { + window->on_pointer_enter(); + } + Point origin = window->get_origin(); + window->get_listener().on_mouse_motion(LOWORD(lParam) - origin.x, HIWORD(lParam) - origin.y, + to_red_mouse_state(wParam)); + break; + } + case WM_MOUSELEAVE: + window->on_pointer_leave(); + break; + case WM_SETFOCUS: + window->on_focus_in(); + break; + case WM_KILLFOCUS: + window->on_focus_out(); + break; + case WM_LBUTTONDOWN: + window->get_listener().on_button_press(REDC_MOUSE_LBUTTON, to_red_mouse_state(wParam)); + break; + case WM_LBUTTONUP: + window->get_listener().on_button_release(REDC_MOUSE_LBUTTON, to_red_mouse_state(wParam)); + break; + case WM_RBUTTONDOWN: + window->get_listener().on_button_press(REDC_MOUSE_RBUTTON, to_red_mouse_state(wParam)); + break; + case WM_RBUTTONUP: + window->get_listener().on_button_release(REDC_MOUSE_RBUTTON, to_red_mouse_state(wParam)); + break; + case WM_MBUTTONDOWN: + window->get_listener().on_button_press(REDC_MOUSE_MBUTTON, to_red_mouse_state(wParam)); + break; + case WM_MBUTTONUP: + window->get_listener().on_button_release(REDC_MOUSE_MBUTTON, to_red_mouse_state(wParam)); + break; + case WM_MOUSEWHEEL: + if (HIWORD(wParam) & 0x8000) { + window->get_listener().on_button_press(REDC_MOUSE_DBUTTON, + to_red_mouse_state(wParam)); + window->get_listener().on_button_release(REDC_MOUSE_DBUTTON, + to_red_mouse_state(wParam)); + } else { + window->get_listener().on_button_press(REDC_MOUSE_UBUTTON, + to_red_mouse_state(wParam)); + window->get_listener().on_button_release(REDC_MOUSE_UBUTTON, + to_red_mouse_state(wParam)); + } + break; + case WM_SYSKEYDOWN: + case WM_KEYDOWN: { + RedKey key = translate_key(wParam, HIWORD(lParam) & 0xff, (lParam & (1 << 24)) != 0); + window->get_listener().on_key_press(key); + // Allow Windows to translate Alt-F4 to WM_CLOSE message. + if (!window->_key_interception) { + return DefWindowProc(hWnd, message, wParam, lParam); + } + break; + } + case WM_SYSKEYUP: + case WM_KEYUP: { + RedKey key = translate_key(wParam, HIWORD(lParam) & 0xff, (lParam & (1 << 24)) != 0); + window->get_listener().on_key_release(key); + break; + } + case WM_ACTIVATE: + if (LOWORD(wParam) == WA_INACTIVE) { + window->get_listener().on_deactivate(); + } else { + window->get_listener().on_activate(); + } + break; + case WM_DESTROY: + PostQuitMessage(0); + break; + case WM_GETMINMAXINFO: { + MINMAXINFO* info = (MINMAXINFO*)lParam; + info->ptMaxSize.x = window->_window_size.x; + info->ptMaxSize.y = window->_window_size.y; + info->ptMinTrackSize = info->ptMaxSize; + info->ptMaxTrackSize = info->ptMaxSize; + info->ptMaxPosition.x = info->ptMaxPosition.y = 0; + break; + } + case WM_SYSCOMMAND: + if (window->prossec_menu_commands(wParam & ~0x0f)) { + break; + } + return DefWindowProc(hWnd, message, wParam, lParam); + case WM_ENTERSIZEMOVE: + case WM_ENTERMENULOOP: + window->get_listener().enter_modal_loop(); + return DefWindowProc(hWnd, message, wParam, lParam); + case WM_EXITSIZEMOVE: + case WM_EXITMENULOOP: + window->get_listener().exit_modal_loop(); + return DefWindowProc(hWnd, message, wParam, lParam); + case WM_SETCURSOR: + if (!window->_pointer_in_window) { + return DefWindowProc(hWnd, message, wParam, lParam); + } + break; + case WM_SIZE: + if (wParam == SIZE_MINIMIZED) { + window->on_minimized(); + } else if (wParam == SIZE_RESTORED || wParam == SIZE_MAXIMIZED) { + window->on_restored(); + } + break; + case WM_WINDOWPOSCHANGING: + window->on_pos_changing(*window); + return DefWindowProc(hWnd, message, wParam, lParam); + default: + return DefWindowProc(hWnd, message, wParam, lParam); + } + return 0; +} + +static ATOM register_class(HINSTANCE instance) +{ + WNDCLASSEX wclass; + + wclass.cbSize = sizeof(WNDCLASSEX); + wclass.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC; + wclass.lpfnWndProc = DefWindowProc; + wclass.cbClsExtra = 0; + wclass.cbWndExtra = 0; + wclass.hInstance = instance; + wclass.hIcon = NULL; + wclass.hCursor = LoadCursor(NULL, IDC_ARROW); + wclass.hbrBackground = NULL; + wclass.lpszMenuName = NULL; + wclass.lpszClassName = win_class_name; + wclass.hIconSm = NULL; + return RegisterClassEx(&wclass); +} + +RedWindow_p::RedWindow_p() + : _win (NULL) + , _modal_refs (0) + , _no_taskmgr_dll (NULL) + , _no_taskmgr_hook (NULL) + , _minimized (false) + , _valid_pos (false) + , _sys_menu (NULL) +{ +} + +void RedWindow_p::create(RedWindow& red_window, PixelsSource_p& pixels_source) +{ + HWND window; + if (!(window = CreateWindow(win_class_name, L"", NATIVE_CAPTION_STYLE, CW_USEDEFAULT, + 0, CW_USEDEFAULT, 0, NULL, NULL, NULL, NULL))) { + THROW("create window failed"); + } + HDC dc = GetDC(window); + if (!dc) { + THROW("get dc failed"); + } + _win = window; + pixels_source.dc = dc; + SetWindowLong(window, GWL_USERDATA, (LONG)&red_window); + SetWindowLong(window, GWL_WNDPROC, (LONG)WindowProc); +} + +void RedWindow_p::destroy(PixelsSource_p& pixels_source) +{ + if (!_win) { + return; + } + + ReleaseDC(_win, pixels_source.dc); + SetWindowLong(_win, GWL_WNDPROC, (LONG)DefWindowProc); + SetWindowLong(_win, GWL_USERDATA, NULL); + DestroyWindow(_win); +} + +void RedWindow_p::on_pos_changing(RedWindow& red_window) +{ + if (_minimized || IsIconic(_win)) { + return; + } + Point pos = red_window.get_position(); + _x = pos.x; + _y = pos.y; + _valid_pos = true; +} + +void RedWindow_p::on_minimized() +{ + _minimized = true; +} + +void RedWindow_p::on_restored() +{ + if (!_minimized) { + return; + } + _minimized = false; + if (!_valid_pos) { + return; + } + _valid_pos = false; + SetWindowPos(_win, NULL, _x, _y, 0, 0, SWP_NOACTIVATE | SWP_NOSIZE | SWP_NOZORDER); +} + +bool RedWindow_p::prossec_menu_commands(int cmd) +{ + CommandMap::iterator iter = _commands_map.find(cmd); + if (iter == _commands_map.end()) { + return false; + } + (*iter).second.menu->get_target().do_command((*iter).second.command); + return true; +} + +RedWindow::RedWindow(RedWindow::Listener& listener, int screen_id) + : _listener (listener) + , _type (TYPE_NORMAL) + , _local_cursor (NULL) + , _cursor_visible (true) + , _focused (false) + , _pointer_in_window (false) + , _key_interception (false) + , _menu (NULL) +{ + RECT win_rect; + + create(*this, *(PixelsSource_p*)get_opaque()); + GetWindowRect(_win, &win_rect); + _window_size.x = win_rect.right - win_rect.left; + _window_size.y = win_rect.bottom - win_rect.top; +} + +RedWindow::~RedWindow() +{ + release_menu(_menu); + destroy(*(PixelsSource_p*)get_opaque()); + if (_local_cursor) { + _local_cursor->unref(); + } +} + +void RedWindow::set_title(std::wstring& title) +{ + SetWindowText(_win, title.c_str()); +} + +void RedWindow::set_icon(Icon* icon) +{ + if (!icon) { + return; + } + WinIcon* w_icon = (WinIcon *)icon; + SendMessage(_win, WM_SETICON, (WPARAM)ICON_SMALL, (LPARAM)w_icon->get_handle()); + SendMessage(_win, WM_SETICON, (WPARAM)ICON_BIG, (LPARAM)w_icon->get_handle()); +} + +void RedWindow::raise() +{ + SetWindowPos(_win, NULL, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE); +} + +void RedWindow::position_after(RedWindow *win) +{ + HWND after = NULL; + + if (win) { + after = win->_win; + } + SetWindowPos(_win, after, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE); +} + +static LONG to_native_style(RedWindow::Type type) +{ + LONG win_style; + + switch (type) { + case RedWindow::TYPE_NORMAL: + win_style = NATIVE_CAPTION_STYLE; + break; + case RedWindow::TYPE_FULLSCREEN: + win_style = 0; + break; + default: + THROW("invalid type %d", type); + } + return win_style; +} + +void RedWindow::show(int screen_id) +{ + if (IsIconic(_win)) { + ShowWindow(_win, SW_RESTORE); + } + + const UINT set_pos_flags = SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | + SWP_FRAMECHANGED; + HWND pos; + + SetWindowLong(_win, GWL_STYLE, to_native_style(_type)); + switch (_type) { + case TYPE_NORMAL: + pos = HWND_NOTOPMOST; + break; + case TYPE_FULLSCREEN: + pos = HWND_TOPMOST; + break; + default: + THROW("invalid type %d", _type); + } + SetWindowPos(_win, pos, 0, 0, 0, 0, set_pos_flags); +} + +void RedWindow::external_show() +{ + LONG_PTR style = ::GetWindowLongPtr(_win, GWL_STYLE); + if ((style & WS_MINIMIZE) == WS_MINIMIZE) { + ShowWindow(_win, SW_RESTORE); + } else { + // Handle the case when hide() was called and the window is not + // visible. Since we're not the active window, the call just set the + // windows' style and doesn't show the window. + if ((style & WS_VISIBLE) != WS_VISIBLE) { + show(0); + } + // We're not the active the window, so we must be attached to the + // calling thread's message queue before focus is grabbed. + HWND front = GetForegroundWindow(); + if (front != NULL) { + DWORD thread = GetWindowThreadProcessId(front, NULL); + AttachThreadInput(thread, GetCurrentThreadId(), TRUE); + SetFocus(_win); + AttachThreadInput(thread, GetCurrentThreadId(), FALSE); + } + } +} + +void RedWindow::hide() +{ + ShowWindow(_win, SW_HIDE); +} + +static void client_to_window_size(HWND win, int width, int height, Point& win_size, + RedWindow::Type type) +{ + RECT area; + + SetRect(&area, 0, 0, width, height); + AdjustWindowRectEx(&area, to_native_style(type), FALSE, GetWindowLong(win, GWL_EXSTYLE)); + win_size.x = area.right - area.left; + win_size.y = area.bottom - area.top; +} + +void RedWindow::move_and_resize(int x, int y, int width, int height) +{ + client_to_window_size(_win, width, height, _window_size, _type); + SetWindowPos(_win, NULL, x, y, _window_size.x, _window_size.y, SWP_NOACTIVATE | SWP_NOZORDER); + if (_minimized) { + _valid_pos = true; + _x = x; + _y = y; + } +} + +void RedWindow::move(int x, int y) +{ + SetWindowPos(_win, NULL, x, y, 0, 0, SWP_NOACTIVATE | SWP_NOSIZE | SWP_NOZORDER); + if (_minimized) { + _valid_pos = true; + _x = x; + _y = y; + } +} + +void RedWindow::resize(int width, int height) +{ + client_to_window_size(_win, width, height, _window_size, _type); + SetWindowPos(_win, NULL, 0, 0, _window_size.x, _window_size.y, + SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER); +} + +void RedWindow::activate() +{ + SetActiveWindow(_win); +} + +void RedWindow::minimize() +{ + ShowWindow(_win, SW_SHOWMINIMIZED); +} + +void RedWindow::set_mouse_position(int x, int y) +{ + POINT pt; + pt.x = x + get_origin().x; + pt.y = y + get_origin().y; + ClientToScreen(_win, &pt); + SetCursorPos(pt.x, pt.y); +} + +class Region_p { +public: + Region_p(HRGN region) : _region (region) {} + ~Region_p() {} + + void get_bbox(Rect& bbox) const + { + RECT box; + + if (GetRgnBox(_region, &box) == 0) { + THROW("get region bbox failed"); + } + bbox.left = box.left; + bbox.right = box.right; + bbox.top = box.top; + bbox.bottom = box.bottom; + } + + bool contains_point(int x, int y) const + { + return !!PtInRegion(_region, x, y); + } + +private: + HRGN _region; +}; + +bool RedWindow::get_mouse_anchor_point(Point& pt) +{ + AutoGDIObject region(CreateRectRgn(0, 0, 0, 0)); + WindowDC win_dc(_win); + + GetRandomRgn(*win_dc, (HRGN)region.get(), SYSRGN); + Point anchor; + Region_p region_p((HRGN)region.get()); + if (!find_anchor_point(region_p, anchor)) { + return false; + } + POINT screen_pt; + screen_pt.x = anchor.x; + screen_pt.y = anchor.y; + ScreenToClient(_win, &screen_pt); + pt.x = screen_pt.x - get_origin().x; + pt.y = screen_pt.y - get_origin().y; + return true; +} + +void RedWindow::cupture_mouse() +{ + RECT client_rect; + POINT origin; + + origin.x = origin.y = 0; + ClientToScreen(_win, &origin); + GetClientRect(_win, &client_rect); + OffsetRect(&client_rect, origin.x, origin.y); + ClipCursor(&client_rect); +} + +void RedWindow::release_mouse() +{ + ClipCursor(NULL); +} + +void RedWindow::set_cursor(LocalCursor* local_cursor) +{ + ASSERT(local_cursor); + if (_local_cursor) { + _local_cursor->unref(); + } + _local_cursor = local_cursor->ref(); + if (_pointer_in_window) { + _local_cursor->set(_win); + while (ShowCursor(TRUE) < 0); + } + _cursor_visible = true; +} + +void RedWindow::hide_cursor() +{ + if (_cursor_visible) { + if (_pointer_in_window) { + while (ShowCursor(FALSE) > -1); + } + _cursor_visible = false; + } +} + +void RedWindow::show_cursor() +{ + if (!_cursor_visible) { + if (_pointer_in_window) { + while (ShowCursor(TRUE) < 0); + } + _cursor_visible = true; + } +} + +Point RedWindow::get_position() +{ + Point position; + if (_minimized || IsIconic(_win)) { + if (_valid_pos) { + position.x = _x; + position.y = _y; + } else { + position.x = position.y = 0; + } + } else { + RECT window_rect; + GetWindowRect(_win, &window_rect); + position.x = window_rect.left; + position.y = window_rect.top; + } + return position; +} + +Point RedWindow::get_size() +{ + RECT client_rect; + GetClientRect(_win, &client_rect); + Point pt = {client_rect.right - client_rect.left, client_rect.bottom - client_rect.top}; + return pt; +} + +static LRESULT CALLBACK LowLevelKeyboardProc(int nCode, WPARAM wParam, LPARAM lParam) +{ + if ((nCode == HC_ACTION)) { + KBDLLHOOKSTRUCT *hooked = (KBDLLHOOKSTRUCT*)lParam; + DWORD dwMsg = 1; + + // dwMsg shall contain the information that would be stored + // in the usual lParam argument of a WM_KEYDOWN message. + // All information like hardware scan code and other flags + // are stored within one double word at different bit offsets. + // Refer to MSDN for further information: + // + // (Keystroke Messages) + dwMsg += hooked->scanCode << 16; + dwMsg += hooked->flags << 24; + + // Forward these keys so the keyboard leds will light up. + BOOL bNextHook = ((hooked->vkCode == VK_CAPITAL) || + (hooked->vkCode == VK_SCROLL) || (hooked->vkCode == VK_NUMLOCK)); + + // In some cases scan code of VK_RSHIFT is fake shift (probably a bug) so we + // convert it to non extended code. Also, QEmu doesn't expect num-lock to be + // an extended key. + if ((hooked->vkCode == VK_NUMLOCK) || (hooked->vkCode == VK_RSHIFT)) { + dwMsg &= ~(1 << 24); + } + + SendMessage(focus_window, wParam, hooked->vkCode, dwMsg); + + if (bNextHook == FALSE) { + return 1; + } + } + + // In all other cases, we call the next hook and return it's value. + return CallNextHookEx(NULL, nCode, wParam, lParam); +} + +void RedWindow::do_start_key_interception() +{ + if (low_keyboard_hook) { + return; + } + low_keyboard_hook = SetWindowsHookEx(WH_KEYBOARD_LL, LowLevelKeyboardProc, + GetModuleHandle(NULL), 0); + _listener.on_start_key_interception(); +} + +void RedWindow::do_stop_key_interception() +{ + if (!low_keyboard_hook) { + return; + } + + UnhookWindowsHookEx(low_keyboard_hook); + low_keyboard_hook = NULL; + _listener.on_stop_key_interception(); +} + +void RedWindow::start_key_interception() +{ + if (_key_interception) { + return; + } + _key_interception = true; + focus_window = _win; + if (_focused && _pointer_in_window) { + do_start_key_interception(); + } +} + +void RedWindow::stop_key_interception() +{ + if (!_key_interception) { + return; + } + _key_interception = false; + if (_focused && _pointer_in_window) { + do_stop_key_interception(); + } +} + +void RedWindow::init() +{ + if (!(class_atom = register_class(instance))) { + THROW("register class failed"); + } +} + +#ifdef USE_OGL + +void RedWindow::touch_context_draw() +{ +} + +void RedWindow::touch_context_copy() +{ +} + +void RedWindow::untouch_context() +{ +} + +#endif + +void RedWindow::set_type_gl() +{ +} + +void RedWindow::unset_type_gl() +{ +} + +void RedWindow::on_focus_in() +{ + _focused = true; + if (_pointer_in_window && _key_interception) { + do_start_key_interception(); + } +} + +void RedWindow::on_focus_out() +{ + if (!_focused) { + return; + } + _focused = false; + do_stop_key_interception(); +} + +void RedWindow::on_pointer_enter() +{ + if (_pointer_in_window) { + return; + } + if (_cursor_visible) { + if (_local_cursor) { + _local_cursor->set(_win); + } + while (ShowCursor(TRUE) < 0); + } else { + while (ShowCursor(FALSE) > -1); + } + _pointer_in_window = true; + _listener.on_pointer_enter(); + + TRACKMOUSEEVENT tme; + tme.cbSize = sizeof(TRACKMOUSEEVENT); + tme.dwFlags = TME_LEAVE; + tme.hwndTrack = _win; + if (!TrackMouseEvent(&tme)) { + THROW("track mouse event failed"); + } + if (_focused && _key_interception) { + do_start_key_interception(); + } +} + +void RedWindow::on_pointer_leave() +{ + if (!_pointer_in_window) { + return; + } + if (!_cursor_visible) { + while (ShowCursor(TRUE) < 0); + } + _pointer_in_window = false; + _listener.on_pointer_leave(); + if (_focused && _key_interception) { + do_stop_key_interception(); + } +} + +static void insert_seperator(HMENU menu) +{ + MENUITEMINFO item_info; + item_info.cbSize = sizeof(item_info); + item_info.fMask = MIIM_TYPE; + item_info.fType = MFT_SEPARATOR; + item_info.dwTypeData = NULL; + item_info.dwItemData = 0; + InsertMenuItem(menu, GetMenuItemCount(menu), TRUE, &item_info); +} + +static void utf8_to_wchar(const std::string& src, std::wstring& dest) +{ + int len = MultiByteToWideChar(CP_UTF8, 0, src.c_str(), -1, NULL, 0); + if (!len) { + THROW("fail to conver utf8 to wchar"); + } + dest.resize(len); + MultiByteToWideChar(CP_UTF8, 0, src.c_str(), -1, (wchar_t *)dest.c_str(), len); +} + +static void insert_command(HMENU menu, const std::string& name, int id) +{ + MENUITEMINFO item_info; + item_info.cbSize = sizeof(item_info); + item_info.fMask = MIIM_TYPE | MIIM_ID; + item_info.fType = MFT_STRING; + std::wstring wname; + utf8_to_wchar(name, wname); + item_info.cch = wname.size(); + item_info.dwTypeData = (wchar_t *)wname.c_str(); + item_info.wID = id; + InsertMenuItem(menu, GetMenuItemCount(menu), TRUE, &item_info); +} + +static HMENU insert_sub_menu(HMENU menu, const std::string& name) +{ + MENUITEMINFO item_info; + item_info.cbSize = sizeof(item_info); + item_info.fMask = MIIM_TYPE | MIIM_SUBMENU; + item_info.fType = MFT_STRING; + std::wstring wname; + utf8_to_wchar(name, wname); + item_info.cch = wname.size(); + item_info.dwTypeData = (wchar_t *)wname.c_str(); + item_info.hSubMenu = CreateMenu(); + InsertMenuItem(menu, GetMenuItemCount(menu), TRUE, &item_info); + return item_info.hSubMenu; +} + +static int next_free_id = 1; +static const int last_id = 0x0f00; + +static std::list<int> free_sys_menu_id; + +static int alloc_sys_cmd_id() +{ + if (!free_sys_menu_id.empty()) { + int ret = *free_sys_menu_id.begin(); + free_sys_menu_id.pop_front(); + return ret; + } + if (next_free_id == last_id) { + THROW("failed"); + } + + return next_free_id++ << 4; +} + +static void free_sys_cmd_id(int id) +{ + free_sys_menu_id.push_back(id >> 4); +} + +static void insert_menu(Menu* menu, HMENU native, CommandMap& _commands_map) +{ + int pos = 0; + + for (;; pos++) { + Menu::ItemType type = menu->item_type_at(pos); + switch (type) { + case Menu::MENU_ITEM_TYPE_COMMAND: { + std::string name; + int command_id; + menu->command_at(pos, name, command_id); + int sys_command = alloc_sys_cmd_id(); + _commands_map[sys_command] = CommandInfo(menu, command_id); + insert_command(native, name, sys_command); + break; + } + case Menu::MENU_ITEM_TYPE_MENU: { + AutoRef<Menu> sub_menu(menu->sub_at(pos)); + HMENU native_sub = insert_sub_menu(native, (*sub_menu)->get_name()); + insert_menu(*sub_menu, native_sub, _commands_map); + break; + } + case Menu::MENU_ITEM_TYPE_SEPARATOR: + insert_seperator(native); + break; + case Menu::MENU_ITEM_TYPE_INVALID: + return; + } + } +} + +void RedWindow_p::release_menu(Menu* menu) +{ + if (menu) { + while (!_commands_map.empty()) { + free_sys_cmd_id((*_commands_map.begin()).first); + _commands_map.erase(_commands_map.begin()); + } + GetSystemMenu(_win, TRUE); + _sys_menu = NULL; + menu->unref(); + return; + } +} + +void RedWindow::set_menu(Menu* menu) +{ + release_menu(_menu); + _menu = NULL; + + if (!menu) { + return; + } + _menu = menu->ref(); + _sys_menu = GetSystemMenu(_win, FALSE); + insert_seperator(_sys_menu); + insert_menu(_menu, _sys_menu, _commands_map); +} + |