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test2/source/blender/windowmanager/intern/wm_window.c
Campbell Barton d6a6f285d6 patch [#30511] Save/load window state (allows Blender to start maximised) 
from Tom Edwards (artfunkel)

This patch fixes bug [#20791]
2012-03-10 17:49:26 +00:00

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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2007 Blender Foundation but based
* on ghostwinlay.c (C) 2001-2002 by NaN Holding BV
* All rights reserved.
*
* Contributor(s): Blender Foundation, 2008
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/windowmanager/intern/wm_window.c
* \ingroup wm
*/
#include <math.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "DNA_listBase.h"
#include "DNA_screen_types.h"
#include "DNA_windowmanager_types.h"
#include "RNA_access.h"
#include "MEM_guardedalloc.h"
#include "GHOST_C-api.h"
#include "BLI_blenlib.h"
#include "BLI_utildefines.h"
#include "BLF_translation.h"
#include "BKE_blender.h"
#include "BKE_context.h"
#include "BKE_library.h"
#include "BKE_global.h"
#include "BKE_main.h"
#include "BIF_gl.h"
#include "WM_api.h"
#include "WM_types.h"
#include "wm.h"
#include "wm_draw.h"
#include "wm_window.h"
#include "wm_subwindow.h"
#include "wm_event_system.h"
#include "ED_screen.h"
#include "ED_fileselect.h"
#include "PIL_time.h"
#include "GPU_draw.h"
#include "GPU_extensions.h"
#include "UI_interface.h"
/* the global to talk to ghost */
static GHOST_SystemHandle g_system= NULL;
/* set by commandline */
static int prefsizx= 0, prefsizy= 0, prefstax= 0, prefstay= 0, initialstate= GHOST_kWindowStateNormal;
static unsigned short useprefsize= 0;
/* ******** win open & close ************ */
/* XXX this one should correctly check for apple top header...
* done for Cocoa : returns window contents (and not frame) max size*/
void wm_get_screensize(int *width_r, int *height_r)
{
unsigned int uiwidth;
unsigned int uiheight;
GHOST_GetMainDisplayDimensions(g_system, &uiwidth, &uiheight);
*width_r= uiwidth;
*height_r= uiheight;
}
/* keeps offset and size within monitor bounds */
/* XXX solve dual screen... */
static void wm_window_check_position(rcti *rect)
{
int width, height, d;
wm_get_screensize(&width, &height);
#if defined(__APPLE__) && !defined(GHOST_COCOA)
height -= 70;
#endif
if(rect->xmin < 0) {
rect->xmax -= rect->xmin;
rect->xmin = 0;
}
if(rect->ymin < 0) {
rect->ymax -= rect->ymin;
rect->ymin = 0;
}
if(rect->xmax > width) {
d= rect->xmax - width;
rect->xmax -= d;
rect->xmin -= d;
}
if(rect->ymax > height) {
d= rect->ymax - height;
rect->ymax -= d;
rect->ymin -= d;
}
if(rect->xmin < 0) rect->xmin= 0;
if(rect->ymin < 0) rect->ymin= 0;
}
static void wm_ghostwindow_destroy(wmWindow *win)
{
if(win->ghostwin) {
GHOST_DisposeWindow(g_system, win->ghostwin);
win->ghostwin= NULL;
}
}
/* including window itself, C can be NULL.
* ED_screen_exit should have been called */
void wm_window_free(bContext *C, wmWindowManager *wm, wmWindow *win)
{
wmTimer *wt, *wtnext;
/* update context */
if(C) {
WM_event_remove_handlers(C, &win->handlers);
WM_event_remove_handlers(C, &win->modalhandlers);
if(CTX_wm_window(C)==win)
CTX_wm_window_set(C, NULL);
}
/* always set drawable and active to NULL,
* prevents non-drawable state of main windows (bugs #22967 and #25071, possibly #22477 too) */
wm->windrawable= NULL;
wm->winactive= NULL;
/* end running jobs, a job end also removes its timer */
for(wt= wm->timers.first; wt; wt= wtnext) {
wtnext= wt->next;
if(wt->win==win && wt->event_type==TIMERJOBS)
wm_jobs_timer_ended(wm, wt);
}
/* timer removing, need to call this api function */
for(wt= wm->timers.first; wt; wt=wtnext) {
wtnext= wt->next;
if(wt->win==win)
WM_event_remove_timer(wm, win, wt);
}
if(win->eventstate) MEM_freeN(win->eventstate);
wm_event_free_all(win);
wm_subwindows_free(win);
if(win->drawdata)
MEM_freeN(win->drawdata);
wm_ghostwindow_destroy(win);
MEM_freeN(win);
}
static int find_free_winid(wmWindowManager *wm)
{
wmWindow *win;
int id= 1;
for(win= wm->windows.first; win; win= win->next)
if(id <= win->winid)
id= win->winid+1;
return id;
}
/* dont change context itself */
wmWindow *wm_window_new(bContext *C)
{
wmWindowManager *wm= CTX_wm_manager(C);
wmWindow *win= MEM_callocN(sizeof(wmWindow), "window");
BLI_addtail(&wm->windows, win);
win->winid= find_free_winid(wm);
return win;
}
/* part of wm_window.c api */
wmWindow *wm_window_copy(bContext *C, wmWindow *winorig)
{
wmWindow *win= wm_window_new(C);
win->posx= winorig->posx+10;
win->posy= winorig->posy;
win->sizex= winorig->sizex;
win->sizey= winorig->sizey;
/* duplicate assigns to window */
win->screen= ED_screen_duplicate(win, winorig->screen);
BLI_strncpy(win->screenname, win->screen->id.name+2, sizeof(win->screenname));
win->screen->winid= win->winid;
win->screen->do_refresh= 1;
win->screen->do_draw= 1;
win->drawmethod= -1;
win->drawdata= NULL;
return win;
}
/* this is event from ghost, or exit-blender op */
void wm_window_close(bContext *C, wmWindowManager *wm, wmWindow *win)
{
bScreen *screen= win->screen;
BLI_remlink(&wm->windows, win);
wm_draw_window_clear(win);
CTX_wm_window_set(C, win); /* needed by handlers */
WM_event_remove_handlers(C, &win->handlers);
WM_event_remove_handlers(C, &win->modalhandlers);
ED_screen_exit(C, win, win->screen);
wm_window_free(C, wm, win);
/* if temp screen, delete it after window free (it stops jobs that can access it) */
if(screen->temp) {
Main *bmain= CTX_data_main(C);
free_libblock(&bmain->screen, screen);
}
/* check remaining windows */
if(wm->windows.first) {
for(win= wm->windows.first; win; win= win->next)
if(win->screen->temp == 0)
break;
/* in this case we close all */
if(win==NULL)
WM_exit(C);
}
else
WM_exit(C);
}
void wm_window_title(wmWindowManager *wm, wmWindow *win)
{
/* handle the 'temp' window, only set title when not set before */
if(win->screen && win->screen->temp) {
char *title= GHOST_GetTitle(win->ghostwin);
if(title==NULL || title[0]==0)
GHOST_SetTitle(win->ghostwin, "Blender");
}
else {
/* this is set to 1 if you don't have startup.blend open */
if(G.save_over && G.main->name[0]) {
char str[sizeof(G.main->name) + 12];
BLI_snprintf(str, sizeof(str), "Blender%s [%s]", wm->file_saved ? "":"*", G.main->name);
GHOST_SetTitle(win->ghostwin, str);
}
else
GHOST_SetTitle(win->ghostwin, "Blender");
/* Informs GHOST of unsaved changes, to set window modified visual indicator (MAC OS X)
* and to give hint of unsaved changes for a user warning mechanism
* in case of OS application terminate request (e.g. OS Shortcut Alt+F4, Cmd+Q, (...), or session end) */
GHOST_SetWindowModifiedState(win->ghostwin, (GHOST_TUns8)!wm->file_saved);
#if defined(__APPLE__) && !defined(GHOST_COCOA)
if(wm->file_saved)
GHOST_SetWindowState(win->ghostwin, GHOST_kWindowStateUnModified);
else
GHOST_SetWindowState(win->ghostwin, GHOST_kWindowStateModified);
#endif
}
}
/* belongs to below */
static void wm_window_add_ghostwindow(const char *title, wmWindow *win)
{
GHOST_WindowHandle ghostwin;
int scr_w, scr_h, posy;
wm_get_screensize(&scr_w, &scr_h);
posy= (scr_h - win->posy - win->sizey);
#if defined(__APPLE__) && !defined(GHOST_COCOA)
{
extern int macPrefState; /* creator.c */
initial_state += macPrefState;
}
#endif
/* Disable AA for now, as GL_SELECT (used for border, lasso, ... select)
* doesn't work well when AA is initialized, even if not used. */
ghostwin= GHOST_CreateWindow(g_system, title,
win->posx, posy, win->sizex, win->sizey,
(GHOST_TWindowState)win->windowstate,
GHOST_kDrawingContextTypeOpenGL,
0 /* no stereo */,
0 /* no AA */);
if (ghostwin) {
/* needed so we can detect the graphics card below */
GPU_extensions_init();
/* set the state*/
GHOST_SetWindowState(ghostwin, (GHOST_TWindowState)win->windowstate);
win->ghostwin= ghostwin;
GHOST_SetWindowUserData(ghostwin, win); /* pointer back */
if(win->eventstate==NULL)
win->eventstate= MEM_callocN(sizeof(wmEvent), "window event state");
/* until screens get drawn, make it nice grey */
glClearColor(.55, .55, .55, 0.0);
/* Crash on OSS ATI: bugs.launchpad.net/ubuntu/+source/mesa/+bug/656100 */
if(!GPU_type_matches(GPU_DEVICE_ATI, GPU_OS_UNIX, GPU_DRIVER_OPENSOURCE)) {
glClear(GL_COLOR_BUFFER_BIT);
}
wm_window_swap_buffers(win);
//GHOST_SetWindowState(ghostwin, GHOST_kWindowStateModified);
/* standard state vars for window */
glEnable(GL_SCISSOR_TEST);
GPU_state_init();
}
}
/* for wmWindows without ghostwin, open these and clear */
/* window size is read from window, if 0 it uses prefsize */
/* called in WM_check, also inits stuff after file read */
void wm_window_add_ghostwindows(wmWindowManager *wm)
{
wmKeyMap *keymap;
wmWindow *win;
/* no commandline prefsize? then we set this.
* Note that these values will be used only
* when there is no startup.blend yet.
*/
if (!prefsizx) {
wm_get_screensize(&prefsizx, &prefsizy);
#if defined(__APPLE__) && !defined(GHOST_COCOA)
//Cocoa provides functions to get correct max window size
{
extern void wm_set_apple_prefsize(int, int); /* wm_apple.c */
wm_set_apple_prefsize(prefsizx, prefsizy);
}
#else
prefstax= 0;
prefstay= 0;
#endif
}
for(win= wm->windows.first; win; win= win->next) {
if(win->ghostwin==NULL) {
if(win->sizex==0 || useprefsize) {
win->posx= prefstax;
win->posy= prefstay;
win->sizex= prefsizx;
win->sizey= prefsizy;
win->windowstate= initialstate;
useprefsize= 0;
}
wm_window_add_ghostwindow("Blender", win);
}
/* happens after fileread */
if(win->eventstate==NULL)
win->eventstate= MEM_callocN(sizeof(wmEvent), "window event state");
/* add keymap handlers (1 handler for all keys in map!) */
keymap= WM_keymap_find(wm->defaultconf, "Window", 0, 0);
WM_event_add_keymap_handler(&win->handlers, keymap);
keymap= WM_keymap_find(wm->defaultconf, "Screen", 0, 0);
WM_event_add_keymap_handler(&win->handlers, keymap);
keymap= WM_keymap_find(wm->defaultconf, "Screen Editing", 0, 0);
WM_event_add_keymap_handler(&win->modalhandlers, keymap);
/* add drop boxes */
{
ListBase *lb= WM_dropboxmap_find("Window", 0, 0);
WM_event_add_dropbox_handler(&win->handlers, lb);
}
wm_window_title(wm, win);
}
}
/* new window, no screen yet, but we open ghostwindow for it */
/* also gets the window level handlers */
/* area-rip calls this */
wmWindow *WM_window_open(bContext *C, rcti *rect)
{
wmWindow *win= wm_window_new(C);
win->posx= rect->xmin;
win->posy= rect->ymin;
win->sizex= rect->xmax - rect->xmin;
win->sizey= rect->ymax - rect->ymin;
win->drawmethod= -1;
win->drawdata= NULL;
WM_check(C);
return win;
}
/* uses screen->temp tag to define what to do, currently it limits
* to only one "temp" window for render out, preferences, filewindow, etc */
/* type is #define in WM_api.h */
void WM_window_open_temp(bContext *C, rcti *position, int type)
{
wmWindow *win;
ScrArea *sa;
/* changes rect to fit within desktop */
wm_window_check_position(position);
/* test if we have a temp screen already */
for(win= CTX_wm_manager(C)->windows.first; win; win= win->next)
if(win->screen->temp)
break;
/* add new window? */
if(win==NULL) {
win= wm_window_new(C);
win->posx= position->xmin;
win->posy= position->ymin;
}
win->sizex= position->xmax - position->xmin;
win->sizey= position->ymax - position->ymin;
if(win->ghostwin) {
wm_window_set_size(win, win->sizex, win->sizey);
wm_window_raise(win);
}
/* add new screen? */
if(win->screen==NULL)
win->screen= ED_screen_add(win, CTX_data_scene(C), "temp");
win->screen->temp = 1;
/* make window active, and validate/resize */
CTX_wm_window_set(C, win);
WM_check(C);
/* ensure it shows the right spacetype editor */
sa= win->screen->areabase.first;
CTX_wm_area_set(C, sa);
if(type==WM_WINDOW_RENDER) {
ED_area_newspace(C, sa, SPACE_IMAGE);
}
else {
ED_area_newspace(C, sa, SPACE_USERPREF);
}
ED_screen_set(C, win->screen);
if(sa->spacetype==SPACE_IMAGE)
GHOST_SetTitle(win->ghostwin, IFACE_("Blender Render"));
else if(ELEM(sa->spacetype, SPACE_OUTLINER, SPACE_USERPREF))
GHOST_SetTitle(win->ghostwin, IFACE_("Blender User Preferences"));
else if(sa->spacetype==SPACE_FILE)
GHOST_SetTitle(win->ghostwin, IFACE_("Blender File View"));
else
GHOST_SetTitle(win->ghostwin, "Blender");
}
/* ****************** Operators ****************** */
/* operator callback */
int wm_window_duplicate_exec(bContext *C, wmOperator *UNUSED(op))
{
wm_window_copy(C, CTX_wm_window(C));
WM_check(C);
WM_event_add_notifier(C, NC_WINDOW|NA_ADDED, NULL);
return OPERATOR_FINISHED;
}
/* fullscreen operator callback */
int wm_window_fullscreen_toggle_exec(bContext *C, wmOperator *UNUSED(op))
{
wmWindow *window= CTX_wm_window(C);
GHOST_TWindowState state;
if(G.background)
return OPERATOR_CANCELLED;
state= GHOST_GetWindowState(window->ghostwin);
if(state!=GHOST_kWindowStateFullScreen)
GHOST_SetWindowState(window->ghostwin, GHOST_kWindowStateFullScreen);
else
GHOST_SetWindowState(window->ghostwin, GHOST_kWindowStateNormal);
return OPERATOR_FINISHED;
}
/* ************ events *************** */
typedef enum
{
SHIFT = 's',
CONTROL = 'c',
ALT = 'a',
OS = 'C'
} modifierKeyType;
/* check if specified modifier key type is pressed */
static int query_qual(modifierKeyType qual)
{
GHOST_TModifierKeyMask left, right;
int val= 0;
switch(qual) {
case SHIFT:
left= GHOST_kModifierKeyLeftShift;
right= GHOST_kModifierKeyRightShift;
break;
case CONTROL:
left= GHOST_kModifierKeyLeftControl;
right= GHOST_kModifierKeyRightControl;
break;
case OS:
left= right= GHOST_kModifierKeyOS;
break;
case ALT:
default:
left= GHOST_kModifierKeyLeftAlt;
right= GHOST_kModifierKeyRightAlt;
break;
}
GHOST_GetModifierKeyState(g_system, left, &val);
if (!val)
GHOST_GetModifierKeyState(g_system, right, &val);
return val;
}
void wm_window_make_drawable(bContext *C, wmWindow *win)
{
wmWindowManager *wm= CTX_wm_manager(C);
if (win != wm->windrawable && win->ghostwin) {
// win->lmbut= 0; /* keeps hanging when mousepressed while other window opened */
wm->windrawable= win;
if(G.f & G_DEBUG) printf("set drawable %d\n", win->winid);
GHOST_ActivateWindowDrawingContext(win->ghostwin);
}
}
/* 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 private)
{
bContext *C= private;
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;
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);
break;
}
case GHOST_kEventWindowClose: {
wm_window_close(C, wm, win);
break;
}
case GHOST_kEventWindowUpdate: {
if(G.f & G_DEBUG) printf("ghost redraw\n");
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(0) {
state = GHOST_GetWindowState(win->ghostwin);
if(state==GHOST_kWindowStateNormal) {
if(G.f & G_DEBUG) printf("window state: normal\n");
}
else if(state==GHOST_kWindowStateMinimized) {
if(G.f & G_DEBUG) printf("window state: minimized\n");
}
else if(state==GHOST_kWindowStateMaximized) {
if(G.f & G_DEBUG) printf("window state: maximized\n");
}
else if(state==GHOST_kWindowStateFullScreen) {
if(G.f & G_DEBUG) printf("window state: fullscreen\n");
}
if(type!=GHOST_kEventWindowSize) {
if(G.f & G_DEBUG) {
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;
}
/* This timer system only gives maximum 1 timer event per redraw cycle,
* to prevent queues to get overloaded.
* Timer handlers should check for delta to decide if they just
* update, or follow real time.
* Timer handlers can also set duration to match frames passed
*/
static int wm_window_timer(const bContext *C)
{
wmWindowManager *wm= CTX_wm_manager(C);
wmTimer *wt, *wtnext;
wmWindow *win;
double time= PIL_check_seconds_timer();
int retval= 0;
for(wt= wm->timers.first; wt; wt= wtnext) {
wtnext= wt->next; /* in case timer gets removed */
win= wt->win;
if(wt->sleep==0) {
if(time > wt->ntime) {
wt->delta= time - wt->ltime;
wt->duration += wt->delta;
wt->ltime= time;
wt->ntime= wt->stime + wt->timestep*ceil(wt->duration/wt->timestep);
if(wt->event_type == TIMERJOBS)
wm_jobs_timer(C, wm, wt);
else if(wt->event_type == TIMERAUTOSAVE)
wm_autosave_timer(C, wm, wt);
else if(win) {
wmEvent event= *(win->eventstate);
event.type= wt->event_type;
event.custom= EVT_DATA_TIMER;
event.customdata= wt;
wm_event_add(win, &event);
retval= 1;
}
}
}
}
return retval;
}
void wm_window_process_events(const bContext *C)
{
int hasevent= GHOST_ProcessEvents(g_system, 0); /* 0 is no wait */
if(hasevent)
GHOST_DispatchEvents(g_system);
hasevent |= wm_window_timer(C);
/* no event, we sleep 5 milliseconds */
if(hasevent==0)
PIL_sleep_ms(5);
}
void wm_window_process_events_nosleep(void)
{
if(GHOST_ProcessEvents(g_system, 0))
GHOST_DispatchEvents(g_system);
}
/* exported as handle callback to bke blender.c */
void wm_window_testbreak(void)
{
static double ltime= 0;
double curtime= PIL_check_seconds_timer();
/* only check for breaks every 50 milliseconds
* if we get called more often.
*/
if ((curtime-ltime)>.05) {
int hasevent= GHOST_ProcessEvents(g_system, 0); /* 0 is no wait */
if(hasevent)
GHOST_DispatchEvents(g_system);
ltime= curtime;
}
}
/* **************** init ********************** */
void wm_ghost_init(bContext *C)
{
if (!g_system) {
GHOST_EventConsumerHandle consumer= GHOST_CreateEventConsumer(ghost_event_proc, C);
g_system= GHOST_CreateSystem();
GHOST_AddEventConsumer(g_system, consumer);
}
}
void wm_ghost_exit(void)
{
if(g_system)
GHOST_DisposeSystem(g_system);
g_system= NULL;
}
/* **************** timer ********************** */
/* to (de)activate running timers temporary */
void WM_event_timer_sleep(wmWindowManager *wm, wmWindow *UNUSED(win), wmTimer *timer, int dosleep)
{
wmTimer *wt;
for(wt= wm->timers.first; wt; wt= wt->next)
if(wt==timer)
break;
if(wt)
wt->sleep= dosleep;
}
wmTimer *WM_event_add_timer(wmWindowManager *wm, wmWindow *win, int event_type, double timestep)
{
wmTimer *wt= MEM_callocN(sizeof(wmTimer), "window timer");
wt->event_type= event_type;
wt->ltime= PIL_check_seconds_timer();
wt->ntime= wt->ltime + timestep;
wt->stime= wt->ltime;
wt->timestep= timestep;
wt->win= win;
BLI_addtail(&wm->timers, wt);
return wt;
}
void WM_event_remove_timer(wmWindowManager *wm, wmWindow *UNUSED(win), wmTimer *timer)
{
wmTimer *wt;
/* extra security check */
for(wt= wm->timers.first; wt; wt= wt->next)
if(wt==timer)
break;
if(wt) {
if(wm->reports.reporttimer == wt)
wm->reports.reporttimer= NULL;
BLI_remlink(&wm->timers, wt);
if(wt->customdata)
MEM_freeN(wt->customdata);
MEM_freeN(wt);
}
}
/* ******************* clipboard **************** */
char *WM_clipboard_text_get(int selection)
{
char *p, *p2, *buf, *newbuf;
if(G.background)
return NULL;
buf= (char*)GHOST_getClipboard(selection);
if(!buf)
return NULL;
/* always convert from \r\n to \n */
newbuf= MEM_callocN(strlen(buf)+1, "WM_clipboard_text_get");
for(p= buf, p2= newbuf; *p; p++) {
if(*p != '\r')
*(p2++)= *p;
}
*p2= '\0';
free(buf); /* ghost uses regular malloc */
return newbuf;
}
void WM_clipboard_text_set(char *buf, int selection)
{
if(!G.background) {
#ifdef _WIN32
/* do conversion from \n to \r\n on Windows */
char *p, *p2, *newbuf;
int newlen= 0;
for(p= buf; *p; p++) {
if(*p == '\n')
newlen += 2;
else
newlen++;
}
newbuf= MEM_callocN(newlen+1, "WM_clipboard_text_set");
for(p= buf, p2= newbuf; *p; p++, p2++) {
if(*p == '\n') {
*(p2++)= '\r'; *p2= '\n';
}
else *p2= *p;
}
*p2= '\0';
GHOST_putClipboard((GHOST_TInt8*)newbuf, selection);
MEM_freeN(newbuf);
#else
GHOST_putClipboard((GHOST_TInt8*)buf, selection);
#endif
}
}
/* ******************* progress bar **************** */
void WM_progress_set(wmWindow *win, float progress)
{
GHOST_SetProgressBar(win->ghostwin, progress);
}
void WM_progress_clear(wmWindow *win)
{
GHOST_EndProgressBar(win->ghostwin);
}
/* ************************************ */
void wm_window_get_position(wmWindow *win, int *posx_r, int *posy_r)
{
*posx_r= win->posx;
*posy_r= win->posy;
}
void wm_window_get_size(wmWindow *win, int *width_r, int *height_r)
{
*width_r= win->sizex;
*height_r= win->sizey;
}
/* exceptional case: - splash is called before events are processed
* this means we dont actually know the window size so get this from GHOST */
void wm_window_get_size_ghost(wmWindow *win, int *width_r, int *height_r)
{
GHOST_RectangleHandle bounds= GHOST_GetClientBounds(win->ghostwin);
*width_r= GHOST_GetWidthRectangle(bounds);
*height_r= GHOST_GetHeightRectangle(bounds);
GHOST_DisposeRectangle(bounds);
}
void wm_window_set_size(wmWindow *win, int width, int height)
{
GHOST_SetClientSize(win->ghostwin, width, height);
}
void wm_window_lower(wmWindow *win)
{
GHOST_SetWindowOrder(win->ghostwin, GHOST_kWindowOrderBottom);
}
void wm_window_raise(wmWindow *win)
{
GHOST_SetWindowOrder(win->ghostwin, GHOST_kWindowOrderTop);
}
void wm_window_swap_buffers(wmWindow *win)
{
#ifdef WIN32
glDisable(GL_SCISSOR_TEST);
GHOST_SwapWindowBuffers(win->ghostwin);
glEnable(GL_SCISSOR_TEST);
#else
GHOST_SwapWindowBuffers(win->ghostwin);
#endif
}
void wm_get_cursor_position(wmWindow *win, int *x, int *y)
{
GHOST_GetCursorPosition(g_system, x, y);
GHOST_ScreenToClient(win->ghostwin, *x, *y, x, y);
*y = (win->sizey-1) - *y;
}
/* ******************* exported api ***************** */
/* called whem no ghost system was initialized */
void WM_setprefsize(int stax, int stay, int sizx, int sizy)
{
prefstax= stax;
prefstay= stay;
prefsizx= sizx;
prefsizy= sizy;
useprefsize= 1;
}
/* for borderless and border windows set from command-line */
void WM_setinitialstate_fullscreen(void)
{
initialstate= GHOST_kWindowStateFullScreen;
}
void WM_setinitialstate_normal(void)
{
initialstate= GHOST_kWindowStateNormal;
}
/* This function requires access to the GHOST_SystemHandle (g_system) */
void WM_cursor_warp(wmWindow *win, int x, int y)
{
if (win && win->ghostwin) {
int oldx=x, oldy=y;
y= win->sizey -y - 1;
GHOST_ClientToScreen(win->ghostwin, x, y, &x, &y);
GHOST_SetCursorPosition(g_system, x, y);
win->eventstate->prevx= oldx;
win->eventstate->prevy= oldy;
}
}
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