LRESULT CALLBACK
viewproc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
int x = (signed short) LOWORD(lParam);
int y = (signed short) HIWORD(lParam);
glui32 key;
switch (message)
{
case WM_ERASEBKGND:
return 1; // don't erase; we'll repaint it all
case WM_PAINT:
{
PAINTSTRUCT ps;
/* make sure we have a fresh bitmap */
if (!gli_drawselect)
gli_windows_redraw();
else
gli_drawselect = FALSE;
/* and blit it to the screen */
hdc = BeginPaint(hwnd, &ps);
winblit(ps.rcPaint);
hdc = NULL;
EndPaint(hwnd, &ps);
return 0;
}
case WM_SIZE:
{
int newwid = LOWORD(lParam);
int newhgt = HIWORD(lParam);
if (newwid == 0 || newhgt == 0)
break;
if (newwid == gli_image_w && newhgt == gli_image_h)
break;
gli_image_w = newwid;
gli_image_h = newhgt;
gli_resize_mask(gli_image_w, gli_image_h);
gli_image_s = ((gli_image_w * 3 + 3) / 4) * 4;
if (gli_image_rgb)
free(gli_image_rgb);
gli_image_rgb = malloc(gli_image_s * gli_image_h);
gli_force_redraw = 1;
gli_windows_size_change();
break;
}
case WM_LBUTTONDOWN:
{
SetFocus(hwndview);
gli_input_handle_click(x, y);
return 0;
}
case WM_LBUTTONUP:
{
gli_copyselect = FALSE;
SetCursor(idc_arrow);
return 0;
}
case WM_MBUTTONDOWN:
case WM_RBUTTONDOWN:
{
SetFocus(hwndview);
return 0;
}
case WM_MOUSEWHEEL:
{
if (GET_WHEEL_DELTA_WPARAM(wParam) > 0)
gli_input_handle_key(keycode_MouseWheelUp);
else
gli_input_handle_key(keycode_MouseWheelDown);
}
case WM_CAPTURECHANGED:
{
gli_copyselect = FALSE;
return 0;
}
case WM_MOUSEMOVE:
{
/* catch and release */
RECT rect;
POINT pt = { x, y };
GetClientRect(hwnd, &rect);
int hover = PtInRect(&rect, pt);
if (!hover) {
if (GetCapture() == hwnd)
ReleaseCapture();
} else {
if (GetCapture() != hwnd ) {
SetCapture(hwnd);
}
if (gli_copyselect) {
SetCursor(idc_ibeam);
gli_move_selection(x, y);
} else {
if (gli_get_hyperlink(x, y)) {
SetCursor(idc_hand);
} else {
SetCursor(idc_arrow);
}
}
}
return 0;
}
case WM_COPY:
{
gli_copyselect = FALSE;
SetCursor(idc_arrow);
winclipsend();
return 0;
}
case WM_PASTE:
{
SetFocus(hwndview);
winclipreceive();
return 0;
}
case WM_KEYDOWN:
switch (wParam)
{
case VK_PRIOR: gli_input_handle_key(keycode_PageUp); break;
case VK_NEXT: gli_input_handle_key(keycode_PageDown); break;
case VK_HOME: gli_input_handle_key(keycode_Home); break;
case VK_END: gli_input_handle_key(keycode_End); break;
case VK_LEFT: gli_input_handle_key(keycode_Left); break;
case VK_RIGHT: gli_input_handle_key(keycode_Right); break;
case VK_UP: gli_input_handle_key(keycode_Up); break;
case VK_DOWN: gli_input_handle_key(keycode_Down); break;
case VK_ESCAPE: gli_input_handle_key(keycode_Escape); break;
case VK_DELETE: gli_input_handle_key(keycode_Erase); break;
case VK_F1: gli_input_handle_key(keycode_Func1); break;
case VK_F2: gli_input_handle_key(keycode_Func2); break;
case VK_F3: gli_input_handle_key(keycode_Func3); break;
case VK_F4: gli_input_handle_key(keycode_Func4); break;
case VK_F5: gli_input_handle_key(keycode_Func5); break;
case VK_F6: gli_input_handle_key(keycode_Func6); break;
case VK_F7: gli_input_handle_key(keycode_Func7); break;
case VK_F8: gli_input_handle_key(keycode_Func8); break;
case VK_F9: gli_input_handle_key(keycode_Func9); break;
case VK_F10: gli_input_handle_key(keycode_Func10); break;
case VK_F11: gli_input_handle_key(keycode_Func11); break;
case VK_F12: gli_input_handle_key(keycode_Func12); break;
}
return 0;
/* unicode encoded chars, including escape, backspace etc... */
case WM_UNICHAR:
key = wParam;
if (key == UNICODE_NOCHAR)
return 1; /* yes, we like WM_UNICHAR */
if (key == '\r' || key == '\n')
gli_input_handle_key(keycode_Return);
else if (key == '\b')
gli_input_handle_key(keycode_Delete);
else if (key == '\t')
gli_input_handle_key(keycode_Tab);
else if (key == 0x03 || key == 0x18)
SendMessage(hwndview, WM_COPY, 0, 0);
else if (key == 0x16)
SendMessage(hwndview, WM_PASTE, 0, 0);
else if (key != 27)
gli_input_handle_key(key);
return 0;
case WM_CHAR:
key = wParam;
if (key == '\r' || key == '\n')
gli_input_handle_key(keycode_Return);
else if (key == '\b')
gli_input_handle_key(keycode_Delete);
else if (key == '\t')
gli_input_handle_key(keycode_Tab);
else if (key == 0x03 || key == 0x18)
SendMessage(hwndview, WM_COPY, 0, 0);
else if (key == 0x16)
SendMessage(hwndview, WM_PASTE, 0, 0);
else if (key != 27) {
/* translate from ANSI code page to Unicode */
char ansich = (char)key;
wchar_t widebuf[2];
int res = MultiByteToWideChar(CP_ACP, 0, &ansich, 1, widebuf, 2);
if (res) {
if (Uni_IsSurrogate1(widebuf[0]))
key = Uni_SurrogateToUTF32(widebuf[0], widebuf[1]);
else
key = widebuf[0];
gli_input_handle_key(key);
}
}
return 0;
}
/* Pass on unhandled events to Windows */
return DefWindowProc(hwnd, message, wParam, lParam);
}
LRESULT CALLBACK
viewproc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
int x = (signed short) LOWORD(lParam);
int y = (signed short) HIWORD(lParam);
glui32 key;
switch (message)
{
case WM_ERASEBKGND:
return 1; // don't erase; we'll repaint it all
case WM_PAINT:
{
PAINTSTRUCT ps;
/* make sure we have a fresh bitmap */
gli_windows_redraw();
/* and blit it to the screen */
hdc = BeginPaint(hwnd, &ps);
winblit(ps.rcPaint);
hdc = NULL;
EndPaint(hwnd, &ps);
return 0;
}
case WM_SIZE:
{
int newwid = LOWORD(lParam);
int newhgt = HIWORD(lParam);
if (newwid == 0 || newhgt == 0)
break;
if (newwid == gli_image_w && newhgt == gli_image_h)
break;
gli_image_w = newwid;
gli_image_h = newhgt;
gli_image_s = ((gli_image_w * 3 + 3) / 4) * 4;
if (gli_image_rgb)
free(gli_image_rgb);
gli_image_rgb = malloc(gli_image_s * gli_image_h);
gli_force_redraw = 1;
gli_windows_size_change();
break;
}
case WM_LBUTTONDOWN:
gli_input_handle_click(x, y);
return 0;
case WM_KEYDOWN:
switch (wParam)
{
case VK_PRIOR: gli_input_handle_key(keycode_PageUp); break;
case VK_NEXT: gli_input_handle_key(keycode_PageDown); break;
case VK_HOME: gli_input_handle_key(keycode_Home); break;
case VK_END: gli_input_handle_key(keycode_End); break;
case VK_LEFT: gli_input_handle_key(keycode_Left); break;
case VK_RIGHT: gli_input_handle_key(keycode_Right); break;
case VK_UP: gli_input_handle_key(keycode_Up); break;
case VK_DOWN: gli_input_handle_key(keycode_Down); break;
case VK_ESCAPE: gli_input_handle_key(keycode_Escape); break;
case VK_F1: gli_input_handle_key(keycode_Func1); break;
case VK_F2: gli_input_handle_key(keycode_Func2); break;
case VK_F3: gli_input_handle_key(keycode_Func3); break;
case VK_F4: gli_input_handle_key(keycode_Func4); break;
case VK_F5: gli_input_handle_key(keycode_Func5); break;
case VK_F6: gli_input_handle_key(keycode_Func6); break;
case VK_F7: gli_input_handle_key(keycode_Func7); break;
case VK_F8: gli_input_handle_key(keycode_Func8); break;
case VK_F9: gli_input_handle_key(keycode_Func9); break;
case VK_F10: gli_input_handle_key(keycode_Func10); break;
case VK_F11: gli_input_handle_key(keycode_Func11); break;
case VK_F12: gli_input_handle_key(keycode_Func12); break;
}
return 0;
/* unicode encoded chars, including escape, backspace etc... */
case WM_UNICHAR:
key = wParam;
if (key == UNICODE_NOCHAR)
return 1; /* yes, we like WM_UNICHAR */
if (key == '\r' || key == '\n')
gli_input_handle_key(keycode_Return);
else if (key == '\b')
gli_input_handle_key(keycode_Delete);
else if (key == '\t')
gli_input_handle_key(keycode_Tab);
else if (key != 27)
gli_input_handle_key(key);
return 0;
case WM_CHAR:
key = wParam;
if (key == '\r' || key == '\n')
gli_input_handle_key(keycode_Return);
else if (key == '\b')
gli_input_handle_key(keycode_Delete);
else if (key == '\t')
gli_input_handle_key(keycode_Tab);
else if (key != 27) {
/* translate from ANSI code page to Unicode */
char ansich = (char)key;
wchar_t widebuf[2];
int res = MultiByteToWideChar(CP_ACP, 0, &ansich, 1, widebuf, 2);
if (res) {
if (Uni_IsSurrogate1(widebuf[0]))
key = Uni_SurrogateToUTF32(widebuf[0], widebuf[1]);
else
key = widebuf[0];
gli_input_handle_key(key);
}
}
return 0;
}
/* Pass on unhandled events to Windows */
return DefWindowProc(hwnd, message, wParam, lParam);
}