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blender-archive/source/blender/windowmanager/intern/wm_keymap.c

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/**
* $Id:
*
* ***** 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2007 Blender Foundation.
* All rights reserved.
*
*
* Contributor(s): Blender Foundation
*
* ***** END GPL LICENSE BLOCK *****
*/
#include <string.h>
#include "DNA_screen_types.h"
#include "DNA_windowmanager_types.h"
#include "MEM_guardedalloc.h"
#include "BLI_blenlib.h"
#include "BKE_blender.h"
#include "BKE_context.h"
#include "BKE_idprop.h"
#include "BKE_library.h"
#include "BKE_main.h"
#include "BKE_utildefines.h"
#include "RNA_access.h"
#include "RNA_types.h"
#include "RNA_enum_types.h"
#include "WM_api.h"
#include "WM_types.h"
#include "wm_window.h"
#include "wm_event_system.h"
#include "wm_event_types.h"
/* ***************** generic call, exported **************** */
static void keymap_event_set(wmKeymapItem *kmi, short type, short val, int modifier, short keymodifier)
{
kmi->type= type;
kmi->val= val;
kmi->keymodifier= keymodifier;
if(modifier == KM_ANY) {
kmi->shift= kmi->ctrl= kmi->alt= kmi->oskey= KM_ANY;
}
else {
/* defines? */
if(modifier & KM_SHIFT)
kmi->shift= 1;
else if(modifier & KM_SHIFT2)
kmi->shift= 2;
if(modifier & KM_CTRL)
kmi->ctrl= 1;
else if(modifier & KM_CTRL2)
kmi->ctrl= 2;
if(modifier & KM_ALT)
kmi->alt= 1;
else if(modifier & KM_ALT2)
kmi->alt= 2;
if(modifier & KM_OSKEY)
kmi->oskey= 1;
else if(modifier & KM_OSKEY2)
kmi->oskey= 2;
}
}
static void keymap_properties_set(wmKeymapItem *kmi)
{
if(!kmi->ptr) {
kmi->ptr= MEM_callocN(sizeof(PointerRNA), "wmKeymapItemPtr");
WM_operator_properties_create(kmi->ptr, kmi->idname);
}
}
/* if item was added, then bail out */
wmKeymapItem *WM_keymap_verify_item(ListBase *lb, char *idname, short type, short val, int modifier, short keymodifier)
{
wmKeymapItem *kmi;
for(kmi= lb->first; kmi; kmi= kmi->next)
if(strncmp(kmi->idname, idname, OP_MAX_TYPENAME)==0)
break;
if(kmi==NULL) {
kmi= MEM_callocN(sizeof(wmKeymapItem), "keymap entry");
BLI_addtail(lb, kmi);
BLI_strncpy(kmi->idname, idname, OP_MAX_TYPENAME);
keymap_event_set(kmi, type, val, modifier, keymodifier);
keymap_properties_set(kmi);
}
return kmi;
}
/* always add item */
wmKeymapItem *WM_keymap_add_item(ListBase *lb, char *idname, short type, short val, int modifier, short keymodifier)
{
wmKeymapItem *kmi= MEM_callocN(sizeof(wmKeymapItem), "keymap entry");
BLI_addtail(lb, kmi);
BLI_strncpy(kmi->idname, idname, OP_MAX_TYPENAME);
keymap_event_set(kmi, type, val, modifier, keymodifier);
keymap_properties_set(kmi);
return kmi;
}
/* ****************** storage in WM ************ */
/* name id's are for storing general or multiple keymaps,
space/region ids are same as DNA_space_types.h */
/* gets free'd in wm.c */
ListBase *WM_keymap_listbase(wmWindowManager *wm, const char *nameid, int spaceid, int regionid)
{
wmKeyMap *km;
for(km= wm->keymaps.first; km; km= km->next)
if(km->spaceid==spaceid && km->regionid==regionid)
if(0==strncmp(nameid, km->nameid, KMAP_MAX_NAME))
break;
if(km==NULL) {
km= MEM_callocN(sizeof(struct wmKeyMap), "keymap list");
BLI_strncpy(km->nameid, nameid, KMAP_MAX_NAME);
km->spaceid= spaceid;
km->regionid= regionid;
BLI_addtail(&wm->keymaps, km);
}
return &km->keymap;
}
/* ***************** get string from key events **************** */
const char *WM_key_event_string(short type)
{
const char *name= NULL;
if(RNA_enum_name(event_type_items, (int)type, &name))
return name;
return "";
}
static char *wm_keymap_item_to_string(wmKeymapItem *kmi, char *str, int len)
{
char buf[100];
buf[0]= 0;
if(kmi->shift)
strcat(buf, "Shift ");
if(kmi->ctrl)
strcat(buf, "Ctrl ");
if(kmi->alt)
strcat(buf, "Alt ");
if(kmi->oskey)
strcat(buf, "OS ");
strcat(buf, WM_key_event_string(kmi->type));
BLI_strncpy(str, buf, len);
return str;
}
static char *wm_keymap_item_find(ListBase *handlers, const char *opname, int opcontext, IDProperty *properties, char *str, int len)
{
wmEventHandler *handler;
wmKeymapItem *kmi;
/* find keymap item in handlers */
for(handler=handlers->first; handler; handler=handler->next)
if(handler->keymap)
for(kmi=handler->keymap->first; kmi; kmi=kmi->next)
if(strcmp(kmi->idname, opname) == 0 && WM_key_event_string(kmi->type)[0])
if(kmi->ptr && IDP_EqualsProperties(properties, kmi->ptr->data))
return wm_keymap_item_to_string(kmi, str, len);
return NULL;
}
char *WM_key_event_operator_string(const bContext *C, const char *opname, int opcontext, IDProperty *properties, char *str, int len)
{
char *found= NULL;
/* look into multiple handler lists to find the item */
if(CTX_wm_window(C))
if((found= wm_keymap_item_find(&CTX_wm_window(C)->handlers, opname, opcontext, properties, str, len)))
return found;
if(CTX_wm_area(C))
if((found= wm_keymap_item_find(&CTX_wm_area(C)->handlers, opname, opcontext, properties, str, len)))
return found;
if(ELEM(opcontext, WM_OP_EXEC_REGION_WIN, WM_OP_INVOKE_REGION_WIN)) {
if(CTX_wm_area(C)) {
ARegion *ar= CTX_wm_area(C)->regionbase.first;
for(; ar; ar= ar->next)
if(ar->regiontype==RGN_TYPE_WINDOW)
break;
if(ar)
if((found= wm_keymap_item_find(&ar->handlers, opname, opcontext, properties, str, len)))
return found;
}
}
else {
if(CTX_wm_region(C))
if((found= wm_keymap_item_find(&CTX_wm_region(C)->handlers, opname, opcontext, properties, str, len)))
return found;
}
return NULL;
}