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efl/src/lib/ecore_win32/ecore_win32.c

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#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdlib.h>
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#undef WIN32_LEAN_AND_MEAN
#include <windowsx.h>
#include <dbt.h>
#include <Eina.h>
#include <Ecore.h>
#include <Ecore_Input.h>
#include "Ecore_Win32.h"
#include "ecore_win32_private.h"
/*============================================================================*
* Local *
*============================================================================*/
/**
* @cond LOCAL
*/
/* OLE IID for Drag'n Drop */
#define INITGUID
#include <basetyps.h>
DEFINE_OLEGUID(IID_IEnumFORMATETC, 0x00000103L, 0, 0);
DEFINE_OLEGUID(IID_IDataObject, 0x0000010EL, 0, 0);
DEFINE_OLEGUID(IID_IDropSource, 0x00000121L, 0, 0);
DEFINE_OLEGUID(IID_IDropTarget, 0x00000122L, 0, 0);
DEFINE_OLEGUID(IID_IUnknown, 0x00000000L, 0, 0);
#define IDI_ICON 101
static int _ecore_win32_init_count = 0;
LRESULT CALLBACK
_ecore_win32_window_procedure(HWND window,
UINT message,
WPARAM window_param,
LPARAM data_param)
{
Ecore_Win32_Callback_Data _data;
Ecore_Win32_Callback_Data *data;
DWORD coord;
data = &_data;
data->window = window;
data->message = message;
data->window_param = window_param;
data->data_param = data_param;
data->timestamp = GetMessageTime();
coord = GetMessagePos();
data->x = GET_X_LPARAM(coord);
data->y = GET_Y_LPARAM(coord);
switch (data->message)
{
/* Keyboard input notifications */
case WM_KEYDOWN:
case WM_SYSKEYDOWN:
INF("key down message");
_ecore_win32_event_handle_key_press(data);
return 0;
/* case WM_CHAR: */
/* case WM_SYSCHAR: */
case WM_KEYUP:
case WM_SYSKEYUP:
INF("key up message");
_ecore_win32_event_handle_key_release(data);
return 0;
case WM_SETFOCUS:
INF("setfocus message");
_ecore_win32_event_handle_focus_in(data);
return 0;
case WM_KILLFOCUS:
INF("kill focus message");
_ecore_win32_event_handle_focus_out(data);
return 0;
/* Mouse input notifications */
case WM_LBUTTONDOWN:
INF("left button down message");
SetCapture(window);
_ecore_win32_event_handle_button_press(data, 1);
return 0;
case WM_MBUTTONDOWN:
INF("middle button down message");
_ecore_win32_event_handle_button_press(data, 2);
return 0;
case WM_RBUTTONDOWN:
INF("right button down message");
_ecore_win32_event_handle_button_press(data, 3);
return 0;
case WM_LBUTTONUP:
{
Ecore_Win32_Window *w = NULL;
INF("left button up message");
ReleaseCapture();
w = (Ecore_Win32_Window *)GetWindowLongPtr(window, GWLP_USERDATA);
if (w->drag.dragging)
{
w->drag.dragging = EINA_FALSE;
return 0;
}
_ecore_win32_event_handle_button_release(data, 1);
return 0;
}
case WM_MBUTTONUP:
INF("middle button up message");
_ecore_win32_event_handle_button_release(data, 2);
return 0;
case WM_RBUTTONUP:
INF("right button up message");
_ecore_win32_event_handle_button_release(data, 3);
return 0;
case WM_MOUSEMOVE:
{
RECT rect;
Ecore_Win32_Window *w = NULL;
w = (Ecore_Win32_Window *)GetWindowLongPtr(window, GWLP_USERDATA);
/*
* Windows can send several WM_MOUSEMOVE messages, see:
* http://blogs.msdn.com/b/oldnewthing/archive/2003/10/01/55108.aspx
* so we discard those which have the same mouse coordinates
*/
if ((w->drag.current_mouse_x == GET_X_LPARAM(data_param)) &&
(w->drag.current_mouse_y == GET_Y_LPARAM(data_param)))
return 0;
INF("mouse move message");
w->drag.current_mouse_x = GET_X_LPARAM(data_param);
w->drag.current_mouse_y = GET_Y_LPARAM(data_param);
if (w->drag.dragging)
{
POINT pt;
pt.x = GET_X_LPARAM(data_param);
pt.y = GET_Y_LPARAM(data_param);
if (ClientToScreen(window, &pt))
{
if (ecore_win32_window_drag(w, pt.x, pt.y))
return 0;
}
}
if (GetClientRect(window, &rect))
{
POINT pt;
INF("mouse in window");
pt.x = GET_X_LPARAM(data_param);
pt.y = GET_Y_LPARAM(data_param);
if (!PtInRect(&rect, pt))
{
if (w->pointer_is_in)
{
w->pointer_is_in = 0;
_ecore_win32_event_handle_leave_notify(data);
}
}
else
{
if (!w->pointer_is_in)
{
w->pointer_is_in = 1;
_ecore_win32_event_handle_enter_notify(data);
}
}
}
else
{
ERR("GetClientRect() failed");
}
_ecore_win32_event_handle_motion_notify(data);
return 0;
}
case WM_MOUSEWHEEL:
INF("mouse wheel message");
_ecore_win32_event_handle_button_press(data, 4);
return 0;
/* Window notifications */
case WM_CREATE:
{
INF("create window message");
if (!AddClipboardFormatListener(window))
INF("can not create clipboard format listener; no clipboard notification will be sent");
_ecore_win32_event_handle_create_notify(data);
return 0;
}
case WM_DESTROY:
{
INF("destroy window message");
_ecore_win32_event_handle_destroy_notify(data);
RemoveClipboardFormatListener(window);
return 0;
}
case WM_SHOWWINDOW:
INF("show window message");
if ((data->data_param == SW_OTHERUNZOOM) ||
(data->data_param == SW_OTHERZOOM))
return 0;
if (data->window_param)
_ecore_win32_event_handle_map_notify(data);
else
_ecore_win32_event_handle_unmap_notify(data);
return 0;
case WM_CLOSE:
INF("close window message");
_ecore_win32_event_handle_delete_request(data);
return 0;
case WM_GETMINMAXINFO:
INF("get min max info window message");
return TRUE;
case WM_MOVING:
INF("moving window message");
_ecore_win32_event_handle_configure_notify(data, EINA_FALSE);
return TRUE;
case WM_MOVE:
INF("move window message");
return 0;
case WM_SIZING:
INF("sizing window message");
_ecore_win32_event_handle_resize(data);
_ecore_win32_event_handle_configure_notify(data, EINA_FALSE);
return TRUE;
case WM_SIZE:
INF("size window message");
_ecore_win32_event_handle_configure_notify(data, EINA_TRUE);
return 0;
/* case WM_WINDOWPOSCHANGING: */
/* { */
/* RECT rect; */
/* GetClientRect(window, &rect); */
/* printf (" *** ecore message : WINDOWPOSCHANGING %ld %ld\n", */
/* rect.right - rect.left, rect.bottom - rect.top); */
/* } */
/* _ecore_win32_event_handle_configure_notify(data, EINA_FALSE); */
/* return 0; */
case WM_WINDOWPOSCHANGED:
INF("position changed window message");
_ecore_win32_event_handle_configure_notify(data, EINA_FALSE);
_ecore_win32_event_handle_property_notify(data);
_ecore_win32_event_handle_expose(data);
return 0;
case WM_ENTERSIZEMOVE:
INF("enter size move window message");
return 0;
case WM_EXITSIZEMOVE:
INF("exit size move window message");
return 0;
case WM_NCLBUTTONDOWN:
INF("non client left button down window message");
if (((DWORD)window_param == HTCAPTION) ||
((DWORD)window_param == HTBOTTOM) ||
((DWORD)window_param == HTBOTTOMLEFT) ||
((DWORD)window_param == HTBOTTOMRIGHT) ||
((DWORD)window_param == HTLEFT) ||
((DWORD)window_param == HTRIGHT) ||
((DWORD)window_param == HTTOP) ||
((DWORD)window_param == HTTOPLEFT) ||
((DWORD)window_param == HTTOPRIGHT))
{
Ecore_Win32_Window *w;
w = (Ecore_Win32_Window *)GetWindowLongPtr(window, GWLP_USERDATA);
ecore_win32_window_geometry_get(w,
&w->drag.x, &w->drag.y,
&w->drag.w, &w->drag.h);
SetCapture(window);
w->drag.type = (DWORD)window_param;
w->drag.px = GET_X_LPARAM(data_param);
w->drag.py = GET_Y_LPARAM(data_param);
w->drag.dragging = EINA_TRUE;
if ((DWORD)window_param == HTCAPTION)
ecore_win32_window_raise(w);
return 0;
}
return DefWindowProc(window, message, window_param, data_param);
case WM_SYSCOMMAND:
INF("sys command window message %d", (int)window_param);
if ((((DWORD)window_param & 0xfff0) == SC_MOVE) ||
(((DWORD)window_param & 0xfff0) == SC_SIZE))
{
Ecore_Win32_Window *w;
INF("sys command MOVE or SIZE window message : %dx%d", GET_X_LPARAM(data_param), GET_Y_LPARAM(data_param));
w = (Ecore_Win32_Window *)GetWindowLongPtr(window, GWLP_USERDATA);
w->drag.dragging = EINA_TRUE;
return 0;
}
return DefWindowProc(window, message, window_param, data_param);
case WM_CLIPBOARDUPDATE:
INF("clipboard data updated");
_ecore_win32_event_handle_selection_notify(data);
return 0;
case WM_SETCURSOR:
{
Ecore_Win32_Window *w;
INF("SetCursor");
/*
* Do not change the cursors on the non client area
* we are in the client area if and only if LOWORD(data_param) == 1
*/
if (LOWORD(data_param) != 1)
return DefWindowProc(window, message, window_param, data_param);
/*
* Otherwise, we use the cursors set by the API for the
*current window
*/
w = (Ecore_Win32_Window *)GetWindowLongPtr(window, GWLP_USERDATA);
if (w && w->cursor)
{
SetCursor(w->cursor);
return 1;
}
return 0;
}
/* GDI notifications */
case WM_PAINT:
{
RECT rect;
INF("paint message");
if (GetUpdateRect(window, &rect, FALSE))
{
PAINTSTRUCT ps;
if (BeginPaint(window, &ps))
{
data->update = rect;
_ecore_win32_event_handle_expose(data);
EndPaint(window, &ps);
}
}
return 0;
}
case WM_SETREDRAW:
INF("set redraw message");
return 0;
case WM_SYNCPAINT:
INF("sync paint message");
return 0;
/* Desktop notifications */
case WM_DEVICECHANGE:
if (window == ecore_win32_monitor_window)
{
PDEV_BROADCAST_HDR pHdr = (PDEV_BROADCAST_HDR)data_param;
if ((window_param == DBT_DEVICEARRIVAL) &&
(pHdr->dbch_devicetype == DBT_DEVTYP_DEVICEINTERFACE))
ecore_win32_monitor_update(1);
if ((window_param == DBT_DEVICEREMOVECOMPLETE) &&
(pHdr->dbch_devicetype == DBT_DEVTYP_DEVICEINTERFACE))
ecore_win32_monitor_update(2);
}
default:
return DefWindowProc(window, message, window_param, data_param);
}
}
/**
* @endcond
*/
/*============================================================================*
* Global *
*============================================================================*/
HINSTANCE _ecore_win32_instance = NULL;
double _ecore_win32_double_click_time = 0.25;
unsigned long _ecore_win32_event_last_time = 0;
Ecore_Win32_Window *_ecore_win32_event_last_window = NULL;
int _ecore_win32_log_dom_global = -1;
Ecore_Win32_Cursor *_ecore_win32_cursor_x[77];
int ECORE_WIN32_EVENT_MOUSE_IN = 0;
int ECORE_WIN32_EVENT_MOUSE_OUT = 0;
int ECORE_WIN32_EVENT_WINDOW_FOCUS_IN = 0;
int ECORE_WIN32_EVENT_WINDOW_FOCUS_OUT = 0;
int ECORE_WIN32_EVENT_WINDOW_DAMAGE = 0;
int ECORE_WIN32_EVENT_WINDOW_CREATE = 0;
int ECORE_WIN32_EVENT_WINDOW_DESTROY = 0;
int ECORE_WIN32_EVENT_WINDOW_SHOW = 0;
int ECORE_WIN32_EVENT_WINDOW_HIDE = 0;
int ECORE_WIN32_EVENT_WINDOW_CONFIGURE = 0;
int ECORE_WIN32_EVENT_WINDOW_RESIZE = 0;
int ECORE_WIN32_EVENT_WINDOW_PROPERTY = 0;
int ECORE_WIN32_EVENT_WINDOW_DELETE_REQUEST = 0;
int ECORE_WIN32_EVENT_SELECTION_CLEAR = 0;
int ECORE_WIN32_EVENT_SELECTION_NOTIFY = 0;
/*============================================================================*
* API *
*============================================================================*/
/**
* @addtogroup Ecore_Win32_Group Ecore_Win32 library
*
* Ecore_Win32 is a library that wraps Windows graphic functions
* and integrate them nicely into the Ecore main loop.
*
* @section Ecore_Win32_Sec_Init Initialisation / Shutdown
*
* To fill...
*
* @section Ecore_Win32_Sec_Icons How to set icons to an application
*
* It is possible to also sets the icon of the application easily:
*
* @li Create an icon with your favorite image creator. The Gimp is a
* good choice. Create several images of size 16, 32 and 48. You can
* also create images of size 24, 64, 128 and 256. Paste all of them
* in the image of size 16 as a layer. Save the image of size 16 with
* the name my_icon.ico. Put it where the source code of the
* application is located.
* @li Create my_icon_rc.rc file with your code editor and add in it:
* @code
* 101 ICON DISCARDABLE "my_icon.ico"
* @endcode
* @li With Visual Studio, put that file in the 'Resource file' part
* of the project.
* @li With MinGW, you have to compile it with windres:
* @code
* windres my_icon_rc.rc my_icon_rc.o
* @endcode
* and add my_icon_rc.o to the object files of the application.
*
* @note The value 101 must not be changed, it's the ID used
* internally by Ecore_Win32 to get the icons.
*
* @{
*/
/**
* @brief Initialize the Ecore_Win32 library.
*
* @return 1 or greater on success, 0 on error.
*
* This function sets up the Windows graphic system. It returns 0 on
* failure, otherwise it returns the number of times it has already been
* called.
*
* When Ecore_Win32 is not used anymore, call ecore_win32_shutdown()
* to shut down the Ecore_Win32 library.
*/
EAPI int
ecore_win32_init()
{
WNDCLASSEX wc;
HICON icon;
HICON icon_sm;
int i;
if (++_ecore_win32_init_count != 1)
return _ecore_win32_init_count;
if (!eina_init())
return --_ecore_win32_init_count;
_ecore_win32_log_dom_global = eina_log_domain_register
("ecore_win32", ECORE_WIN32_DEFAULT_LOG_COLOR);
if (_ecore_win32_log_dom_global < 0)
{
EINA_LOG_ERR("Ecore_Win32: Could not register log domain");
goto shutdown_eina;
}
if (!ecore_event_init())
{
ERR("Ecore_Win32: Could not init ecore_event");
goto unregister_log_domain;
}
_ecore_win32_instance = GetModuleHandle(NULL);
if (!_ecore_win32_instance)
{
ERR("GetModuleHandle() failed");
goto shutdown_ecore_event;
}
ecore_win32_monitor_init();
icon = LoadImage(_ecore_win32_instance,
MAKEINTRESOURCE(IDI_ICON),
IMAGE_ICON,
GetSystemMetrics(SM_CXICON),
GetSystemMetrics(SM_CYICON),
LR_DEFAULTCOLOR);
icon_sm = LoadImage(_ecore_win32_instance,
MAKEINTRESOURCE(IDI_ICON),
IMAGE_ICON,
GetSystemMetrics(SM_CXSMICON),
GetSystemMetrics(SM_CYSMICON),
LR_DEFAULTCOLOR);
if (!icon)
icon = LoadIcon (NULL, IDI_APPLICATION);
if (!icon_sm)
icon_sm = LoadIcon (NULL, IDI_APPLICATION);
memset (&wc, 0, sizeof (WNDCLASSEX));
wc.cbSize = sizeof (WNDCLASSEX);
wc.style = 0;
wc.lpfnWndProc = _ecore_win32_window_procedure;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = _ecore_win32_instance;
wc.hIcon = icon;
wc.hCursor = LoadCursor (NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)(1 + COLOR_BTNFACE);
wc.lpszMenuName = NULL;
wc.lpszClassName = ECORE_WIN32_WINDOW_CLASS;
wc.hIconSm = icon_sm;
if(!RegisterClassEx(&wc))
{
ERR("RegisterClass() failed");
goto free_library;
}
if (!ecore_win32_dnd_init())
{
ERR("ecore_win32_dnd_init() failed");
goto unregister_class;
}
ECORE_WIN32_EVENT_MOUSE_IN = ecore_event_type_new();
ECORE_WIN32_EVENT_MOUSE_OUT = ecore_event_type_new();
ECORE_WIN32_EVENT_WINDOW_FOCUS_IN = ecore_event_type_new();
ECORE_WIN32_EVENT_WINDOW_FOCUS_OUT = ecore_event_type_new();
ECORE_WIN32_EVENT_WINDOW_DAMAGE = ecore_event_type_new();
ECORE_WIN32_EVENT_WINDOW_CREATE = ecore_event_type_new();
ECORE_WIN32_EVENT_WINDOW_DESTROY = ecore_event_type_new();
ECORE_WIN32_EVENT_WINDOW_SHOW = ecore_event_type_new();
ECORE_WIN32_EVENT_WINDOW_HIDE = ecore_event_type_new();
ECORE_WIN32_EVENT_WINDOW_CONFIGURE = ecore_event_type_new();
ECORE_WIN32_EVENT_WINDOW_RESIZE = ecore_event_type_new();
ECORE_WIN32_EVENT_WINDOW_PROPERTY = ecore_event_type_new();
ECORE_WIN32_EVENT_WINDOW_DELETE_REQUEST = ecore_event_type_new();
ECORE_WIN32_EVENT_SELECTION_CLEAR = ecore_event_type_new();
ECORE_WIN32_EVENT_SELECTION_NOTIFY = ecore_event_type_new();
for (i = 0; i < 77; i++)
_ecore_win32_cursor_x[i] = _ecore_win32_cursor_x11_shaped_new(i);
return _ecore_win32_init_count;
unregister_class:
UnregisterClass(ECORE_WIN32_WINDOW_CLASS, _ecore_win32_instance);
free_library:
FreeLibrary(_ecore_win32_instance);
shutdown_ecore_event:
ecore_event_shutdown();
unregister_log_domain:
eina_log_domain_unregister(_ecore_win32_log_dom_global);
shutdown_eina:
eina_shutdown();
return --_ecore_win32_init_count;
}
/**
* @brief Shut down the Ecore_Win32 library.
*
* @return 0 when the library is completely shut down, 1 or
* greater otherwise.
*
* This function shuts down the Ecore_Win32 library. It returns 0 when it has
* been called the same number of times than ecore_win32_init(). In that case
* it shuts down all the Windows graphic system.
*/
EAPI int
ecore_win32_shutdown()
{
int i;
if (--_ecore_win32_init_count != 0)
return _ecore_win32_init_count;
for (i = 0; i < 77; i++)
ecore_win32_cursor_free(_ecore_win32_cursor_x[i]);
ecore_win32_dnd_shutdown();
ecore_event_type_flush(ECORE_WIN32_EVENT_MOUSE_IN,
ECORE_WIN32_EVENT_MOUSE_OUT,
ECORE_WIN32_EVENT_WINDOW_FOCUS_IN,
ECORE_WIN32_EVENT_WINDOW_FOCUS_OUT,
ECORE_WIN32_EVENT_WINDOW_DAMAGE,
ECORE_WIN32_EVENT_WINDOW_CREATE,
ECORE_WIN32_EVENT_WINDOW_DESTROY,
ECORE_WIN32_EVENT_WINDOW_SHOW,
ECORE_WIN32_EVENT_WINDOW_HIDE,
ECORE_WIN32_EVENT_WINDOW_CONFIGURE,
ECORE_WIN32_EVENT_WINDOW_RESIZE,
ECORE_WIN32_EVENT_WINDOW_PROPERTY,
ECORE_WIN32_EVENT_WINDOW_DELETE_REQUEST,
ECORE_WIN32_EVENT_SELECTION_CLEAR,
ECORE_WIN32_EVENT_SELECTION_NOTIFY);
if (!UnregisterClass(ECORE_WIN32_WINDOW_CLASS, _ecore_win32_instance))
INF("UnregisterClass() failed");
ecore_win32_monitor_shutdown();
if (!FreeLibrary(_ecore_win32_instance))
INF("FreeLibrary() failed");
_ecore_win32_instance = NULL;
ecore_event_shutdown();
eina_log_domain_unregister(_ecore_win32_log_dom_global);
_ecore_win32_log_dom_global = -1;
eina_shutdown();
return _ecore_win32_init_count;
}
/**
* @brief Retrieve the depth of the screen.
*
* @return The depth of the screen.
*
* This function returns the depth of the screen. If an error occurs,
* it returns 0.
*/
EAPI int
ecore_win32_screen_depth_get()
{
HDC dc;
int depth;
INF("getting screen depth");
dc = GetDC(NULL);
if (!dc)
{
ERR("GetDC() failed");
return 0;
}
depth = GetDeviceCaps(dc, BITSPIXEL);
if (!ReleaseDC(NULL, dc))
{
ERR("ReleaseDC() failed (device context not released)");
}
return depth;
}
/**
* @brief Sets the timeout for a double and triple clicks to be flagged.
*
* @param t The time in seconds.
*
* This function sets the time @p t between clicks before the
* double_click flag is set in a button down event. If 3 clicks occur
* within double this time, the triple_click flag is also set.
*/
EAPI void
ecore_win32_double_click_time_set(double t)
{
if (t < 0.0) t = 0.0;
_ecore_win32_double_click_time = t;
}
/**
* @brief Retrieve the double and triple click flag timeout.
*
* @return The timeout for double clicks in seconds.
*
* This function returns the double clicks in seconds. If
* ecore_win32_double_click_time_set() has not been called, the
* default value is returned. See ecore_win32_double_click_time_set()
* for more informations.
*/
EAPI double
ecore_win32_double_click_time_get(void)
{
return _ecore_win32_double_click_time;
}
/**
* @brief Return the last event time.
*
* @return The last envent time.
*
* This function returns the last event time.
*/
EAPI unsigned long
ecore_win32_current_time_get(void)
{
return _ecore_win32_event_last_time;
}
/**
* @}
*/
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