bool KX_BlenderCanvas::BeginDraw()
{
// in case of multi-window we need to ensure we are drawing to the correct
// window always, because it may change in window event handling
wm_window_make_drawable(m_wm, m_win);
return true;
}
void wm_draw_update(bContext *C)
{
wmWindowManager *wm = CTX_wm_manager(C);
wmWindow *win;
int drawmethod;
GPU_free_unused_buffers();
for (win = wm->windows.first; win; win = win->next) {
#ifdef WIN32
if (GPU_type_matches(GPU_DEVICE_INTEL, GPU_OS_ANY, GPU_DRIVER_ANY)) {
GHOST_TWindowState state = GHOST_GetWindowState(win->ghostwin);
if (state == GHOST_kWindowStateMinimized) {
/* do not update minimized windows, it gives issues on intel drivers (see [#33223])
* anyway, it seems logical to skip update for invisible windows
*/
continue;
}
}
#endif
if (win->drawmethod != U.wmdrawmethod) {
wm_draw_window_clear(win);
win->drawmethod = U.wmdrawmethod;
}
if (wm_draw_update_test_window(win)) {
CTX_wm_window_set(C, win);
/* sets context window+screen */
wm_window_make_drawable(wm, win);
/* notifiers for screen redraw */
if (win->screen->do_refresh)
ED_screen_refresh(wm, win);
drawmethod = wm_automatic_draw_method(win);
if (win->drawfail)
wm_method_draw_overlap_all(C, win, 0);
else if (drawmethod == USER_DRAW_FULL)
wm_method_draw_full(C, win);
else if (drawmethod == USER_DRAW_OVERLAP)
wm_method_draw_overlap_all(C, win, 0);
else if (drawmethod == USER_DRAW_OVERLAP_FLIP)
wm_method_draw_overlap_all(C, win, 1);
else // if (drawmethod == USER_DRAW_TRIPLE)
wm_method_draw_triple(C, win);
win->screen->do_draw_gesture = false;
win->screen->do_draw_paintcursor = false;
win->screen->do_draw_drag = false;
wm_window_swap_buffers(win);
CTX_wm_window_set(C, NULL);
}
}
}
/* on startup, it adds all data, for matching */
void wm_add_default(bContext *C)
{
wmWindowManager *wm= alloc_libblock(&CTX_data_main(C)->wm, ID_WM, "WinMan");
wmWindow *win;
bScreen *screen= CTX_wm_screen(C); /* XXX from file read hrmf */
CTX_wm_manager_set(C, wm);
win= wm_window_new(C);
win->screen= screen;
screen->winid= win->winid;
BLI_strncpy(win->screenname, screen->id.name+2, sizeof(win->screenname));
wm->winactive= win;
wm->file_saved= 1;
wm_window_make_drawable(C, win);
}
void wm_draw_update(bContext *C)
{
wmWindowManager *wm= CTX_wm_manager(C);
wmWindow *win;
int drawmethod;
GPU_free_unused_buffers();
for(win= wm->windows.first; win; win= win->next) {
if(win->drawmethod != U.wmdrawmethod) {
wm_draw_window_clear(win);
win->drawmethod= U.wmdrawmethod;
}
if(wm_draw_update_test_window(win)) {
CTX_wm_window_set(C, win);
/* sets context window+screen */
wm_window_make_drawable(C, win);
/* notifiers for screen redraw */
if(win->screen->do_refresh)
ED_screen_refresh(wm, win);
drawmethod= wm_automatic_draw_method(win);
if(win->drawfail)
wm_method_draw_overlap_all(C, win, 0);
else if(drawmethod == USER_DRAW_FULL)
wm_method_draw_full(C, win);
else if(drawmethod == USER_DRAW_OVERLAP)
wm_method_draw_overlap_all(C, win, 0);
else if(drawmethod == USER_DRAW_OVERLAP_FLIP)
wm_method_draw_overlap_all(C, win, 1);
else // if(drawmethod == USER_DRAW_TRIPLE)
wm_method_draw_triple(C, win);
win->screen->do_draw_gesture= 0;
win->screen->do_draw_paintcursor= 0;
win->screen->do_draw_drag= 0;
wm_window_swap_buffers(win);
CTX_wm_window_set(C, NULL);
}
}
}
/* called by ghost, here we handle events for windows themselves or send to event system */
static int ghost_event_proc(GHOST_EventHandle evt, GHOST_TUserDataPtr C_void_ptr)
{
bContext *C = C_void_ptr;
wmWindowManager *wm = CTX_wm_manager(C);
GHOST_TEventType type = GHOST_GetEventType(evt);
int time = GHOST_GetEventTime(evt);
if (type == GHOST_kEventQuit) {
WM_exit(C);
}
else {
GHOST_WindowHandle ghostwin = GHOST_GetEventWindow(evt);
GHOST_TEventDataPtr data = GHOST_GetEventData(evt);
wmWindow *win;
if (!ghostwin) {
/* XXX - should be checked, why are we getting an event here, and */
/* what is it? */
puts("<!> event has no window");
return 1;
}
else if (!GHOST_ValidWindow(g_system, ghostwin)) {
/* XXX - should be checked, why are we getting an event here, and */
/* what is it? */
puts("<!> event has invalid window");
return 1;
}
else {
win = GHOST_GetWindowUserData(ghostwin);
}
switch (type) {
case GHOST_kEventWindowDeactivate:
wm_event_add_ghostevent(wm, win, type, time, data);
win->active = 0; /* XXX */
break;
case GHOST_kEventWindowActivate:
{
GHOST_TEventKeyData kdata;
wmEvent event;
int cx, cy, wx, wy;
wm->winactive = win; /* no context change! c->wm->windrawable is drawable, or for area queues */
win->active = 1;
// window_handle(win, INPUTCHANGE, win->active);
/* bad ghost support for modifier keys... so on activate we set the modifiers again */
kdata.ascii = '\0';
kdata.utf8_buf[0] = '\0';
if (win->eventstate->shift && !query_qual(SHIFT)) {
kdata.key = GHOST_kKeyLeftShift;
wm_event_add_ghostevent(wm, win, GHOST_kEventKeyUp, time, &kdata);
}
if (win->eventstate->ctrl && !query_qual(CONTROL)) {
kdata.key = GHOST_kKeyLeftControl;
wm_event_add_ghostevent(wm, win, GHOST_kEventKeyUp, time, &kdata);
}
if (win->eventstate->alt && !query_qual(ALT)) {
kdata.key = GHOST_kKeyLeftAlt;
wm_event_add_ghostevent(wm, win, GHOST_kEventKeyUp, time, &kdata);
}
if (win->eventstate->oskey && !query_qual(OS)) {
kdata.key = GHOST_kKeyOS;
wm_event_add_ghostevent(wm, win, GHOST_kEventKeyUp, time, &kdata);
}
/* keymodifier zero, it hangs on hotkeys that open windows otherwise */
win->eventstate->keymodifier = 0;
/* entering window, update mouse pos. but no event */
GHOST_GetCursorPosition(g_system, &wx, &wy);
GHOST_ScreenToClient(win->ghostwin, wx, wy, &cx, &cy);
win->eventstate->x = cx;
win->eventstate->y = (win->sizey - 1) - cy;
win->addmousemove = 1; /* enables highlighted buttons */
wm_window_make_drawable(C, win);
/* window might be focused by mouse click in configuration of window manager
* when focus is not following mouse
* click could have been done on a button and depending on window manager settings
* click would be passed to blender or not, but in any case button under cursor
* should be activated, so at max next click on button without moving mouse
* would trigger it's handle function
* currently it seems to be common practice to generate new event for, but probably
* we'll need utility function for this? (sergey)
*/
event = *(win->eventstate);
event.type = MOUSEMOVE;
event.prevx = event.x;
event.prevy = event.y;
wm_event_add(win, &event);
break;
}
case GHOST_kEventWindowClose: {
wm_window_close(C, wm, win);
break;
}
case GHOST_kEventWindowUpdate: {
if (G.debug & G_DEBUG_EVENTS) {
printf("%s: ghost redraw %d\n", __func__, win->winid);
}
wm_window_make_drawable(C, win);
WM_event_add_notifier(C, NC_WINDOW, NULL);
break;
}
case GHOST_kEventWindowSize:
case GHOST_kEventWindowMove: {
GHOST_TWindowState state;
state = GHOST_GetWindowState(win->ghostwin);
win->windowstate = state;
/* win32: gives undefined window size when minimized */
if (state != GHOST_kWindowStateMinimized) {
GHOST_RectangleHandle client_rect;
int l, t, r, b, scr_w, scr_h;
int sizex, sizey, posx, posy;
client_rect = GHOST_GetClientBounds(win->ghostwin);
GHOST_GetRectangle(client_rect, &l, &t, &r, &b);
GHOST_DisposeRectangle(client_rect);
wm_get_screensize(&scr_w, &scr_h);
sizex = r - l;
sizey = b - t;
posx = l;
posy = scr_h - t - win->sizey;
/*
* Ghost sometimes send size or move events when the window hasn't changed.
* One case of this is using compiz on linux. To alleviate the problem
* we ignore all such event here.
*
* It might be good to eventually do that at Ghost level, but that is for
* another time.
*/
if (win->sizex != sizex ||
win->sizey != sizey ||
win->posx != posx ||
win->posy != posy)
{
win->sizex = sizex;
win->sizey = sizey;
win->posx = posx;
win->posy = posy;
/* debug prints */
if (G.debug & G_DEBUG_EVENTS) {
const char *state_str;
state = GHOST_GetWindowState(win->ghostwin);
if (state == GHOST_kWindowStateNormal) {
state_str = "normal";
}
else if (state == GHOST_kWindowStateMinimized) {
state_str = "minimized";
}
else if (state == GHOST_kWindowStateMaximized) {
state_str = "maximized";
}
else if (state == GHOST_kWindowStateFullScreen) {
state_str = "fullscreen";
}
else {
state_str = "<unknown>";
}
printf("%s: window %d state = %s\n", __func__, win->winid, state_str);
if (type != GHOST_kEventWindowSize) {
printf("win move event pos %d %d size %d %d\n",
win->posx, win->posy, win->sizex, win->sizey);
}
}
wm_window_make_drawable(C, win);
wm_draw_window_clear(win);
WM_event_add_notifier(C, NC_SCREEN | NA_EDITED, NULL);
WM_event_add_notifier(C, NC_WINDOW | NA_EDITED, NULL);
}
}
break;
}
case GHOST_kEventOpenMainFile:
{
PointerRNA props_ptr;
wmWindow *oldWindow;
char *path = GHOST_GetEventData(evt);
if (path) {
/* operator needs a valid window in context, ensures
* it is correctly set */
oldWindow = CTX_wm_window(C);
CTX_wm_window_set(C, win);
WM_operator_properties_create(&props_ptr, "WM_OT_open_mainfile");
RNA_string_set(&props_ptr, "filepath", path);
WM_operator_name_call(C, "WM_OT_open_mainfile", WM_OP_EXEC_DEFAULT, &props_ptr);
WM_operator_properties_free(&props_ptr);
CTX_wm_window_set(C, oldWindow);
}
break;
}
case GHOST_kEventDraggingDropDone:
{
wmEvent event;
GHOST_TEventDragnDropData *ddd = GHOST_GetEventData(evt);
int cx, cy, wx, wy;
/* entering window, update mouse pos */
GHOST_GetCursorPosition(g_system, &wx, &wy);
GHOST_ScreenToClient(win->ghostwin, wx, wy, &cx, &cy);
win->eventstate->x = cx;
win->eventstate->y = (win->sizey - 1) - cy;
event = *(win->eventstate); /* copy last state, like mouse coords */
/* activate region */
event.type = MOUSEMOVE;
event.prevx = event.x;
event.prevy = event.y;
wm->winactive = win; /* no context change! c->wm->windrawable is drawable, or for area queues */
win->active = 1;
wm_event_add(win, &event);
/* make blender drop event with custom data pointing to wm drags */
event.type = EVT_DROP;
event.val = KM_RELEASE;
event.custom = EVT_DATA_LISTBASE;
event.customdata = &wm->drags;
event.customdatafree = 1;
wm_event_add(win, &event);
/* printf("Drop detected\n"); */
/* add drag data to wm for paths: */
if (ddd->dataType == GHOST_kDragnDropTypeFilenames) {
GHOST_TStringArray *stra = ddd->data;
int a, icon;
for (a = 0; a < stra->count; a++) {
printf("drop file %s\n", stra->strings[a]);
/* try to get icon type from extension */
icon = ED_file_extension_icon((char *)stra->strings[a]);
WM_event_start_drag(C, icon, WM_DRAG_PATH, stra->strings[a], 0.0);
/* void poin should point to string, it makes a copy */
break; /* only one drop element supported now */
}
}
break;
}
default:
wm_event_add_ghostevent(wm, win, type, time, data);
break;
}
}
return 1;
}
/* mouse coordinate converversion happens here */
static int ghost_event_proc(GHOST_EventHandle evt, GHOST_TUserDataPtr C_void_ptr)
{
bContext *C = C_void_ptr;
wmWindowManager *wm = CTX_wm_manager(C);
GHOST_TEventType type = GHOST_GetEventType(evt);
int time = GHOST_GetEventTime(evt);
if (type == GHOST_kEventQuit) {
WM_exit(C);
}
else {
GHOST_WindowHandle ghostwin = GHOST_GetEventWindow(evt);
GHOST_TEventDataPtr data = GHOST_GetEventData(evt);
wmWindow *win;
/* Ghost now can call this function for life resizes, but it should return if WM didn't initialize yet.
* Can happen on file read (especially full size window) */
if ((wm->initialized & WM_INIT_WINDOW) == 0) {
return 1;
}
if (!ghostwin) {
/* XXX - should be checked, why are we getting an event here, and */
/* what is it? */
puts("<!> event has no window");
return 1;
}
else if (!GHOST_ValidWindow(g_system, ghostwin)) {
/* XXX - should be checked, why are we getting an event here, and */
/* what is it? */
puts("<!> event has invalid window");
return 1;
}
else {
win = GHOST_GetWindowUserData(ghostwin);
}
switch (type) {
case GHOST_kEventWindowDeactivate:
wm_event_add_ghostevent(wm, win, type, time, data);
win->active = 0; /* XXX */
/* clear modifiers for inactive windows */
win->eventstate->alt = 0;
win->eventstate->ctrl = 0;
win->eventstate->shift = 0;
win->eventstate->oskey = 0;
win->eventstate->keymodifier = 0;
break;
case GHOST_kEventWindowActivate:
{
GHOST_TEventKeyData kdata;
wmEvent event;
int wx, wy;
const int keymodifier = ((query_qual(SHIFT) ? KM_SHIFT : 0) |
(query_qual(CONTROL) ? KM_CTRL : 0) |
(query_qual(ALT) ? KM_ALT : 0) |
(query_qual(OS) ? KM_OSKEY : 0));
/* Win23/GHOST modifier bug, see T40317 */
#ifndef WIN32
//# define USE_WIN_ACTIVATE
#endif
wm->winactive = win; /* no context change! c->wm->windrawable is drawable, or for area queues */
win->active = 1;
// window_handle(win, INPUTCHANGE, win->active);
/* bad ghost support for modifier keys... so on activate we set the modifiers again */
/* TODO: This is not correct since a modifier may be held when a window is activated...
* better solve this at ghost level. attempted fix r54450 but it caused bug [#34255]
*
* For now don't send GHOST_kEventKeyDown events, just set the 'eventstate'.
*/
kdata.ascii = '\0';
kdata.utf8_buf[0] = '\0';
if (win->eventstate->shift) {
if ((keymodifier & KM_SHIFT) == 0) {
kdata.key = GHOST_kKeyLeftShift;
wm_event_add_ghostevent(wm, win, GHOST_kEventKeyUp, time, &kdata);
}
}
#ifdef USE_WIN_ACTIVATE
else {
if (keymodifier & KM_SHIFT) {
win->eventstate->shift = KM_MOD_FIRST;
}
}
#endif
if (win->eventstate->ctrl) {
if ((keymodifier & KM_CTRL) == 0) {
kdata.key = GHOST_kKeyLeftControl;
wm_event_add_ghostevent(wm, win, GHOST_kEventKeyUp, time, &kdata);
}
}
#ifdef USE_WIN_ACTIVATE
else {
if (keymodifier & KM_CTRL) {
win->eventstate->ctrl = KM_MOD_FIRST;
}
}
#endif
if (win->eventstate->alt) {
if ((keymodifier & KM_ALT) == 0) {
kdata.key = GHOST_kKeyLeftAlt;
wm_event_add_ghostevent(wm, win, GHOST_kEventKeyUp, time, &kdata);
}
}
#ifdef USE_WIN_ACTIVATE
else {
if (keymodifier & KM_ALT) {
win->eventstate->alt = KM_MOD_FIRST;
}
}
#endif
if (win->eventstate->oskey) {
if ((keymodifier & KM_OSKEY) == 0) {
kdata.key = GHOST_kKeyOS;
wm_event_add_ghostevent(wm, win, GHOST_kEventKeyUp, time, &kdata);
}
}
#ifdef USE_WIN_ACTIVATE
else {
if (keymodifier & KM_OSKEY) {
win->eventstate->oskey = KM_MOD_FIRST;
}
}
#endif
#undef USE_WIN_ACTIVATE
/* keymodifier zero, it hangs on hotkeys that open windows otherwise */
win->eventstate->keymodifier = 0;
/* entering window, update mouse pos. but no event */
wm_get_cursor_position(win, &wx, &wy);
win->eventstate->x = wx;
win->eventstate->y = wy;
win->addmousemove = 1; /* enables highlighted buttons */
wm_window_make_drawable(wm, win);
/* window might be focused by mouse click in configuration of window manager
* when focus is not following mouse
* click could have been done on a button and depending on window manager settings
* click would be passed to blender or not, but in any case button under cursor
* should be activated, so at max next click on button without moving mouse
* would trigger it's handle function
* currently it seems to be common practice to generate new event for, but probably
* we'll need utility function for this? (sergey)
*/
wm_event_init_from_window(win, &event);
event.type = MOUSEMOVE;
event.prevx = event.x;
event.prevy = event.y;
wm_event_add(win, &event);
break;
}
case GHOST_kEventWindowClose:
{
wm_window_close(C, wm, win);
break;
}
case GHOST_kEventWindowUpdate:
{
if (G.debug & G_DEBUG_EVENTS) {
printf("%s: ghost redraw %d\n", __func__, win->winid);
}
wm_window_make_drawable(wm, win);
WM_event_add_notifier(C, NC_WINDOW, NULL);
break;
}
case GHOST_kEventWindowSize:
case GHOST_kEventWindowMove:
{
GHOST_TWindowState state;
state = GHOST_GetWindowState(win->ghostwin);
win->windowstate = state;
/* stop screencast if resize */
if (type == GHOST_kEventWindowSize) {
WM_jobs_stop(wm, win->screen, NULL);
}
/* win32: gives undefined window size when minimized */
if (state != GHOST_kWindowStateMinimized) {
GHOST_RectangleHandle client_rect;
int l, t, r, b, scr_w, scr_h;
int sizex, sizey, posx, posy;
client_rect = GHOST_GetClientBounds(win->ghostwin);
GHOST_GetRectangle(client_rect, &l, &t, &r, &b);
GHOST_DisposeRectangle(client_rect);
wm_get_desktopsize(&scr_w, &scr_h);
sizex = r - l;
sizey = b - t;
posx = l;
posy = scr_h - t - win->sizey;
/*
* Ghost sometimes send size or move events when the window hasn't changed.
* One case of this is using compiz on linux. To alleviate the problem
* we ignore all such event here.
*
* It might be good to eventually do that at Ghost level, but that is for
* another time.
*/
if (win->sizex != sizex ||
win->sizey != sizey ||
win->posx != posx ||
win->posy != posy)
{
win->sizex = sizex;
win->sizey = sizey;
win->posx = posx;
win->posy = posy;
/* debug prints */
if (G.debug & G_DEBUG_EVENTS) {
const char *state_str;
state = GHOST_GetWindowState(win->ghostwin);
if (state == GHOST_kWindowStateNormal) {
state_str = "normal";
}
else if (state == GHOST_kWindowStateMinimized) {
state_str = "minimized";
}
else if (state == GHOST_kWindowStateMaximized) {
state_str = "maximized";
}
else if (state == GHOST_kWindowStateFullScreen) {
state_str = "fullscreen";
}
else {
state_str = "<unknown>";
}
printf("%s: window %d state = %s\n", __func__, win->winid, state_str);
if (type != GHOST_kEventWindowSize) {
printf("win move event pos %d %d size %d %d\n",
win->posx, win->posy, win->sizex, win->sizey);
}
}
wm_window_make_drawable(wm, win);
wm_draw_window_clear(win);
WM_event_add_notifier(C, NC_SCREEN | NA_EDITED, NULL);
WM_event_add_notifier(C, NC_WINDOW | NA_EDITED, NULL);
#if defined(__APPLE__) || defined(WIN32)
/* OSX and Win32 don't return to the mainloop while resize */
wm_event_do_handlers(C);
wm_event_do_notifiers(C);
wm_draw_update(C);
#endif
}
}
break;
}
case GHOST_kEventOpenMainFile:
{
PointerRNA props_ptr;
wmWindow *oldWindow;
const char *path = GHOST_GetEventData(evt);
if (path) {
wmOperatorType *ot = WM_operatortype_find("WM_OT_open_mainfile", false);
/* operator needs a valid window in context, ensures
* it is correctly set */
oldWindow = CTX_wm_window(C);
CTX_wm_window_set(C, win);
WM_operator_properties_create_ptr(&props_ptr, ot);
RNA_string_set(&props_ptr, "filepath", path);
WM_operator_name_call_ptr(C, ot, WM_OP_EXEC_DEFAULT, &props_ptr);
WM_operator_properties_free(&props_ptr);
CTX_wm_window_set(C, oldWindow);
}
break;
}
case GHOST_kEventDraggingDropDone:
{
wmEvent event;
GHOST_TEventDragnDropData *ddd = GHOST_GetEventData(evt);
int wx, wy;
/* entering window, update mouse pos */
wm_get_cursor_position(win, &wx, &wy);
win->eventstate->x = wx;
win->eventstate->y = wy;
wm_event_init_from_window(win, &event); /* copy last state, like mouse coords */
/* activate region */
event.type = MOUSEMOVE;
event.prevx = event.x;
event.prevy = event.y;
wm->winactive = win; /* no context change! c->wm->windrawable is drawable, or for area queues */
win->active = 1;
wm_event_add(win, &event);
/* make blender drop event with custom data pointing to wm drags */
event.type = EVT_DROP;
event.val = KM_RELEASE;
event.custom = EVT_DATA_DRAGDROP;
event.customdata = &wm->drags;
event.customdatafree = 1;
wm_event_add(win, &event);
/* printf("Drop detected\n"); */
/* add drag data to wm for paths: */
if (ddd->dataType == GHOST_kDragnDropTypeFilenames) {
GHOST_TStringArray *stra = ddd->data;
int a, icon;
for (a = 0; a < stra->count; a++) {
printf("drop file %s\n", stra->strings[a]);
/* try to get icon type from extension */
icon = ED_file_extension_icon((char *)stra->strings[a]);
WM_event_start_drag(C, icon, WM_DRAG_PATH, stra->strings[a], 0.0, WM_DRAG_NOP);
/* void poin should point to string, it makes a copy */
break; /* only one drop element supported now */
}
}
break;
}
case GHOST_kEventNativeResolutionChange:
// printf("change, pixel size %f\n", GHOST_GetNativePixelSize(win->ghostwin));
U.pixelsize = wm_window_pixelsize(win);
BKE_userdef_state();
WM_event_add_notifier(C, NC_SCREEN | NA_EDITED, NULL);
WM_event_add_notifier(C, NC_WINDOW | NA_EDITED, NULL);
break;
case GHOST_kEventTrackpad:
{
GHOST_TEventTrackpadData *pd = data;
wm_convert_cursor_position(win, &pd->x, &pd->y);
wm_event_add_ghostevent(wm, win, type, time, data);
break;
}
case GHOST_kEventCursorMove:
{
GHOST_TEventCursorData *cd = data;
wm_convert_cursor_position(win, &cd->x, &cd->y);
wm_event_add_ghostevent(wm, win, type, time, data);
break;
}
default:
wm_event_add_ghostevent(wm, win, type, time, data);
break;
}
}
return 1;
}
void BL_MakeDrawable(wmWindowManager *wm, wmWindow *win)
{
wm_window_make_drawable(wm, win);
}