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/*
* 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.
*/
/** \file
* \ingroup spview3d
*/
#include "BKE_context.h"
#include "WM_api.h"
#include "RNA_access.h"
#include "RNA_define.h"
#include "ED_screen.h"
#include "view3d_intern.h"
#include "view3d_navigate.h" /* own include */
/* -------------------------------------------------------------------- */
/** \name View Move (Pan) Operator
* \{ */
/* NOTE: these defines are saved in keymap files, do not change values but just add new ones */
void viewmove_modal_keymap(wmKeyConfig *keyconf)
{
static const EnumPropertyItem modal_items[] = {
{VIEW_MODAL_CONFIRM, "CONFIRM", 0, "Confirm", ""},
{VIEWROT_MODAL_SWITCH_ZOOM, "SWITCH_TO_ZOOM", 0, "Switch to Zoom"},
{VIEWROT_MODAL_SWITCH_ROTATE, "SWITCH_TO_ROTATE", 0, "Switch to Rotate"},
{0, NULL, 0, NULL, NULL},
};
wmKeyMap *keymap = WM_modalkeymap_find(keyconf, "View3D Move Modal");
/* this function is called for each spacetype, only needs to add map once */
if (keymap && keymap->modal_items) {
return;
}
keymap = WM_modalkeymap_ensure(keyconf, "View3D Move Modal", modal_items);
/* items for modal map */
WM_modalkeymap_add_item(keymap, MIDDLEMOUSE, KM_RELEASE, KM_ANY, 0, VIEW_MODAL_CONFIRM);
WM_modalkeymap_add_item(keymap, EVT_ESCKEY, KM_PRESS, KM_ANY, 0, VIEW_MODAL_CONFIRM);
/* disabled mode switching for now, can re-implement better, later on */
#if 0
WM_modalkeymap_add_item(keymap, LEFTMOUSE, KM_PRESS, KM_ANY, 0, VIEWROT_MODAL_SWITCH_ZOOM);
WM_modalkeymap_add_item(keymap, LEFTCTRLKEY, KM_PRESS, KM_ANY, 0, VIEWROT_MODAL_SWITCH_ZOOM);
WM_modalkeymap_add_item(
keymap, LEFTSHIFTKEY, KM_RELEASE, KM_ANY, 0, VIEWROT_MODAL_SWITCH_ROTATE);
#endif
/* assign map to operators */
WM_modalkeymap_assign(keymap, "VIEW3D_OT_move");
}
static int viewmove_modal(bContext *C, wmOperator *op, const wmEvent *event)
{
ViewOpsData *vod = op->customdata;
short event_code = VIEW_PASS;
bool use_autokey = false;
int ret = OPERATOR_RUNNING_MODAL;
/* execute the events */
if (event->type == MOUSEMOVE) {
event_code = VIEW_APPLY;
}
else if (event->type == EVT_MODAL_MAP) {
switch (event->val) {
case VIEW_MODAL_CONFIRM:
event_code = VIEW_CONFIRM;
break;
case VIEWROT_MODAL_SWITCH_ZOOM:
WM_operator_name_call(C, "VIEW3D_OT_zoom", WM_OP_INVOKE_DEFAULT, NULL);
event_code = VIEW_CONFIRM;
break;
case VIEWROT_MODAL_SWITCH_ROTATE:
WM_operator_name_call(C, "VIEW3D_OT_rotate", WM_OP_INVOKE_DEFAULT, NULL);
event_code = VIEW_CONFIRM;
break;
}
}
else if (event->type == vod->init.event_type && event->val == KM_RELEASE) {
event_code = VIEW_CONFIRM;
}
if (event_code == VIEW_APPLY) {
viewmove_apply(vod, event->xy[0], event->xy[1]);
if (ED_screen_animation_playing(CTX_wm_manager(C))) {
use_autokey = true;
}
}
else if (event_code == VIEW_CONFIRM) {
use_autokey = true;
ret = OPERATOR_FINISHED;
}
if (use_autokey) {
ED_view3d_camera_lock_autokey(vod->v3d, vod->rv3d, C, false, true);
}
if (ret & OPERATOR_FINISHED) {
viewops_data_free(C, op->customdata);
op->customdata = NULL;
}
return ret;
}
static int viewmove_invoke(bContext *C, wmOperator *op, const wmEvent *event)
{
ViewOpsData *vod;
const bool use_cursor_init = RNA_boolean_get(op->ptr, "use_cursor_init");
vod = op->customdata = viewops_data_create(
C,
event,
(viewops_flag_from_prefs() & ~VIEWOPS_FLAG_ORBIT_SELECT) |
(use_cursor_init ? VIEWOPS_FLAG_USE_MOUSE_INIT : 0));
vod = op->customdata;
ED_view3d_smooth_view_force_finish(C, vod->v3d, vod->region);
if (event->type == MOUSEPAN) {
/* invert it, trackpad scroll follows same principle as 2d windows this way */
viewmove_apply(
vod, 2 * event->xy[0] - event->prev_xy[0], 2 * event->xy[1] - event->prev_xy[1]);
viewops_data_free(C, op->customdata);
op->customdata = NULL;
return OPERATOR_FINISHED;
}
/* add temp handler */
WM_event_add_modal_handler(C, op);
return OPERATOR_RUNNING_MODAL;
}
static void viewmove_cancel(bContext *C, wmOperator *op)
{
viewops_data_free(C, op->customdata);
op->customdata = NULL;
}
void VIEW3D_OT_move(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Pan View";
ot->description = "Move the view";
ot->idname = "VIEW3D_OT_move";
/* api callbacks */
ot->invoke = viewmove_invoke;
ot->modal = viewmove_modal;
ot->poll = view3d_location_poll;
ot->cancel = viewmove_cancel;
/* flags */
ot->flag = OPTYPE_BLOCKING | OPTYPE_GRAB_CURSOR_XY;
/* properties */
view3d_operator_properties_common(ot, V3D_OP_PROP_USE_MOUSE_INIT);
}
/** \} */
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