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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) 2008 Blender Foundation.
* All rights reserved.
*
*
* Contributor(s): Blender Foundation
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/space_sequencer/space_sequencer.c
* \ingroup spseq
*/
#include <string.h>
#include <stdio.h>
#include "DNA_scene_types.h"
#include "MEM_guardedalloc.h"
#include "BLI_blenlib.h"
#include "BLI_math.h"
#include "BLI_utildefines.h"
#include "BKE_context.h"
#include "BKE_screen.h"
#include "BKE_sequencer.h"
#include "BKE_global.h"
#include "ED_space_api.h"
#include "ED_sequencer.h"
#include "ED_screen.h"
#include "ED_view3d.h" /* only for sequencer view3d drawing callback */
#include "WM_api.h"
#include "WM_types.h"
#include "UI_resources.h"
#include "UI_view2d.h"
#include "sequencer_intern.h" // own include
/* ******************** manage regions ********************* */
ARegion *sequencer_has_buttons_region(ScrArea *sa)
{
ARegion *ar, *arnew;
ar = BKE_area_find_region_type(sa, RGN_TYPE_UI);
if (ar) return ar;
/* add subdiv level; after header */
ar = BKE_area_find_region_type(sa, RGN_TYPE_HEADER);
/* is error! */
if (ar == NULL) return NULL;
arnew = MEM_callocN(sizeof(ARegion), "buttons for sequencer");
BLI_insertlinkafter(&sa->regionbase, ar, arnew);
arnew->regiontype = RGN_TYPE_UI;
arnew->alignment = RGN_ALIGN_RIGHT;
arnew->flag = RGN_FLAG_HIDDEN;
return arnew;
}
static ARegion *sequencer_find_region(ScrArea *sa, short type)
{
ARegion *ar = NULL;
for (ar = sa->regionbase.first; ar; ar = ar->next)
if (ar->regiontype == type)
return ar;
return ar;
}
/* ******************** default callbacks for sequencer space ***************** */
static SpaceLink *sequencer_new(const bContext *C)
{
Scene *scene = CTX_data_scene(C);
ARegion *ar;
SpaceSeq *sseq;
sseq = MEM_callocN(sizeof(SpaceSeq), "initsequencer");
sseq->spacetype = SPACE_SEQ;
sseq->chanshown = 0;
sseq->view = SEQ_VIEW_SEQUENCE;
sseq->mainb = SEQ_DRAW_IMG_IMBUF;
/* header */
ar = MEM_callocN(sizeof(ARegion), "header for sequencer");
BLI_addtail(&sseq->regionbase, ar);
ar->regiontype = RGN_TYPE_HEADER;
ar->alignment = RGN_ALIGN_BOTTOM;
/* buttons/list view */
ar = MEM_callocN(sizeof(ARegion), "buttons for sequencer");
BLI_addtail(&sseq->regionbase, ar);
ar->regiontype = RGN_TYPE_UI;
ar->alignment = RGN_ALIGN_RIGHT;
ar->flag = RGN_FLAG_HIDDEN;
/* preview area */
/* NOTE: if you change values here, also change them in sequencer_init_preview_region */
ar = MEM_callocN(sizeof(ARegion), "preview area for sequencer");
BLI_addtail(&sseq->regionbase, ar);
ar->regiontype = RGN_TYPE_PREVIEW;
ar->alignment = RGN_ALIGN_TOP;
ar->flag |= RGN_FLAG_HIDDEN;
/* for now, aspect ratio should be maintained, and zoom is clamped within sane default limits */
ar->v2d.keepzoom = V2D_KEEPASPECT | V2D_KEEPZOOM;
ar->v2d.minzoom = 0.00001f;
ar->v2d.maxzoom = 100000.0f;
ar->v2d.tot.xmin = -960.0f; /* 1920 width centered */
ar->v2d.tot.ymin = -540.0f; /* 1080 height centered */
ar->v2d.tot.xmax = 960.0f;
ar->v2d.tot.ymax = 540.0f;
ar->v2d.min[0] = 0.0f;
ar->v2d.min[1] = 0.0f;
ar->v2d.max[0] = 12000.0f;
ar->v2d.max[1] = 12000.0f;
ar->v2d.cur = ar->v2d.tot;
ar->v2d.align = V2D_ALIGN_FREE;
ar->v2d.keeptot = V2D_KEEPTOT_FREE;
/* main area */
ar = MEM_callocN(sizeof(ARegion), "main area for sequencer");
BLI_addtail(&sseq->regionbase, ar);
ar->regiontype = RGN_TYPE_WINDOW;
/* seq space goes from (0,8) to (0, efra) */
ar->v2d.tot.xmin = 0.0f;
ar->v2d.tot.ymin = 0.0f;
ar->v2d.tot.xmax = scene->r.efra;
ar->v2d.tot.ymax = 8.0f;
ar->v2d.cur = ar->v2d.tot;
ar->v2d.min[0] = 10.0f;
ar->v2d.min[1] = 0.5f;
ar->v2d.max[0] = MAXFRAMEF;
ar->v2d.max[1] = MAXSEQ;
ar->v2d.minzoom = 0.01f;
ar->v2d.maxzoom = 100.0f;
ar->v2d.scroll |= (V2D_SCROLL_BOTTOM | V2D_SCROLL_SCALE_HORIZONTAL);
ar->v2d.scroll |= (V2D_SCROLL_LEFT | V2D_SCROLL_SCALE_VERTICAL);
ar->v2d.keepzoom = 0;
ar->v2d.keeptot = 0;
ar->v2d.align = V2D_ALIGN_NO_NEG_Y;
return (SpaceLink *)sseq;
}
/* not spacelink itself */
static void sequencer_free(SpaceLink *UNUSED(sl))
{
// SpaceSeq *sseq= (SpaceSequencer*) sl;
// XXX if (sseq->gpd) BKE_gpencil_free(sseq->gpd);
}
/* spacetype; init callback */
static void sequencer_init(struct wmWindowManager *UNUSED(wm), ScrArea *UNUSED(sa))
{
}
static void sequencer_refresh(const bContext *C, ScrArea *sa)
{
wmWindowManager *wm = CTX_wm_manager(C);
wmWindow *window = CTX_wm_window(C);
SpaceSeq *sseq = (SpaceSeq *)sa->spacedata.first;
ARegion *ar_main = sequencer_find_region(sa, RGN_TYPE_WINDOW);
ARegion *ar_preview = sequencer_find_region(sa, RGN_TYPE_PREVIEW);
int view_changed = 0;
switch (sseq->view) {
case SEQ_VIEW_SEQUENCE:
if (ar_main && (ar_main->flag & RGN_FLAG_HIDDEN)) {
ar_main->flag &= ~RGN_FLAG_HIDDEN;
ar_main->v2d.flag &= ~V2D_IS_INITIALISED;
view_changed = 1;
}
if (ar_preview && !(ar_preview->flag & RGN_FLAG_HIDDEN)) {
ar_preview->flag |= RGN_FLAG_HIDDEN;
ar_preview->v2d.flag &= ~V2D_IS_INITIALISED;
WM_event_remove_handlers((bContext *)C, &ar_preview->handlers);
view_changed = 1;
}
if (ar_main && ar_main->alignment != RGN_ALIGN_NONE) {
ar_main->alignment = RGN_ALIGN_NONE;
view_changed = 1;
}
if (ar_preview && ar_preview->alignment != RGN_ALIGN_NONE) {
ar_preview->alignment = RGN_ALIGN_NONE;
view_changed = 1;
}
break;
case SEQ_VIEW_PREVIEW:
if (ar_main && !(ar_main->flag & RGN_FLAG_HIDDEN)) {
ar_main->flag |= RGN_FLAG_HIDDEN;
ar_main->v2d.flag &= ~V2D_IS_INITIALISED;
WM_event_remove_handlers((bContext *)C, &ar_main->handlers);
view_changed = 1;
}
if (ar_preview && (ar_preview->flag & RGN_FLAG_HIDDEN)) {
ar_preview->flag &= ~RGN_FLAG_HIDDEN;
ar_preview->v2d.flag &= ~V2D_IS_INITIALISED;
ar_preview->v2d.cur = ar_preview->v2d.tot;
view_changed = 1;
}
if (ar_main && ar_main->alignment != RGN_ALIGN_NONE) {
ar_main->alignment = RGN_ALIGN_NONE;
view_changed = 1;
}
if (ar_preview && ar_preview->alignment != RGN_ALIGN_NONE) {
ar_preview->alignment = RGN_ALIGN_NONE;
view_changed = 1;
}
break;
case SEQ_VIEW_SEQUENCE_PREVIEW:
if (ar_main && (ar_main->flag & RGN_FLAG_HIDDEN)) {
ar_main->flag &= ~RGN_FLAG_HIDDEN;
ar_main->v2d.flag &= ~V2D_IS_INITIALISED;
view_changed = 1;
}
if (ar_preview && (ar_preview->flag & RGN_FLAG_HIDDEN)) {
ar_preview->flag &= ~RGN_FLAG_HIDDEN;
ar_preview->v2d.flag &= ~V2D_IS_INITIALISED;
ar_preview->v2d.cur = ar_preview->v2d.tot;
view_changed = 1;
}
if (ar_main && ar_main->alignment != RGN_ALIGN_NONE) {
ar_main->alignment = RGN_ALIGN_NONE;
view_changed = 1;
}
if (ar_preview && ar_preview->alignment != RGN_ALIGN_TOP) {
ar_preview->alignment = RGN_ALIGN_TOP;
view_changed = 1;
}
break;
}
if (view_changed) {
ED_area_initialize(wm, window, sa);
ED_area_tag_redraw(sa);
}
}
static SpaceLink *sequencer_duplicate(SpaceLink *sl)
{
SpaceSeq *sseqn = MEM_dupallocN(sl);
/* clear or remove stuff from old */
// XXX sseq->gpd= gpencil_data_duplicate(sseq->gpd);
return (SpaceLink *)sseqn;
}
/* *********************** sequencer (main) region ************************ */
/* add handlers, stuff you only do once or on area/region changes */
static void sequencer_main_area_init(wmWindowManager *wm, ARegion *ar)
{
wmKeyMap *keymap;
ListBase *lb;
UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_CUSTOM, ar->winx, ar->winy);
keymap = WM_keymap_find(wm->defaultconf, "SequencerCommon", SPACE_SEQ, 0);
WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
/* own keymap */
keymap = WM_keymap_find(wm->defaultconf, "Sequencer", SPACE_SEQ, 0);
WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
/* add drop boxes */
lb = WM_dropboxmap_find("Sequencer", SPACE_SEQ, RGN_TYPE_WINDOW);
WM_event_add_dropbox_handler(&ar->handlers, lb);
}
static void sequencer_main_area_draw(const bContext *C, ARegion *ar)
{
// ScrArea *sa= CTX_wm_area(C);
/* NLE - strip editing timeline interface */
draw_timeline_seq(C, ar);
}
/* ************* dropboxes ************* */
static int image_drop_poll(bContext *UNUSED(C), wmDrag *drag, wmEvent *UNUSED(event))
{
if (drag->type == WM_DRAG_PATH)
if (ELEM(drag->icon, ICON_FILE_IMAGE, ICON_FILE_BLANK)) /* rule might not work? */
return 1;
return 0;
}
static int movie_drop_poll(bContext *UNUSED(C), wmDrag *drag, wmEvent *UNUSED(event))
{
if (drag->type == WM_DRAG_PATH)
if (ELEM3(drag->icon, 0, ICON_FILE_MOVIE, ICON_FILE_BLANK)) /* rule might not work? */
return 1;
return 0;
}
static int sound_drop_poll(bContext *UNUSED(C), wmDrag *drag, wmEvent *UNUSED(event))
{
if (drag->type == WM_DRAG_PATH)
if (ELEM(drag->icon, ICON_FILE_SOUND, ICON_FILE_BLANK)) /* rule might not work? */
return 1;
return 0;
}
static void sequencer_drop_copy(wmDrag *drag, wmDropBox *drop)
{
/* copy drag path to properties */
if (RNA_struct_find_property(drop->ptr, "filepath"))
RNA_string_set(drop->ptr, "filepath", drag->path);
if (RNA_struct_find_property(drop->ptr, "directory")) {
PointerRNA itemptr;
char dir[FILE_MAX], file[FILE_MAX];
BLI_split_dirfile(drag->path, dir, file, sizeof(dir), sizeof(file));
RNA_string_set(drop->ptr, "directory", dir);
RNA_collection_clear(drop->ptr, "files");
RNA_collection_add(drop->ptr, "files", &itemptr);
RNA_string_set(&itemptr, "name", file);
}
}
/* this region dropbox definition */
static void sequencer_dropboxes(void)
{
ListBase *lb = WM_dropboxmap_find("Sequencer", SPACE_SEQ, RGN_TYPE_WINDOW);
WM_dropbox_add(lb, "SEQUENCER_OT_image_strip_add", image_drop_poll, sequencer_drop_copy);
WM_dropbox_add(lb, "SEQUENCER_OT_movie_strip_add", movie_drop_poll, sequencer_drop_copy);
WM_dropbox_add(lb, "SEQUENCER_OT_sound_strip_add", sound_drop_poll, sequencer_drop_copy);
}
/* ************* end drop *********** */
/* add handlers, stuff you only do once or on area/region changes */
static void sequencer_header_area_init(wmWindowManager *UNUSED(wm), ARegion *ar)
{
ED_region_header_init(ar);
}
static void sequencer_header_area_draw(const bContext *C, ARegion *ar)
{
ED_region_header(C, ar);
}
static void sequencer_main_area_listener(ARegion *ar, wmNotifier *wmn)
{
/* context changes */
switch (wmn->category) {
case NC_SCENE:
switch (wmn->data) {
case ND_FRAME:
case ND_FRAME_RANGE:
case ND_MARKERS:
case ND_RENDER_OPTIONS: /* for FPS and FPS Base */
case ND_SEQUENCER:
ED_region_tag_redraw(ar);
break;
}
break;
case NC_SPACE:
if (wmn->data == ND_SPACE_SEQUENCER)
ED_region_tag_redraw(ar);
break;
case NC_ID:
if (wmn->action == NA_RENAME)
ED_region_tag_redraw(ar);
break;
}
}
/* *********************** preview region ************************ */
static void sequencer_preview_area_init(wmWindowManager *wm, ARegion *ar)
{
wmKeyMap *keymap;
UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_CUSTOM, ar->winx, ar->winy);
keymap = WM_keymap_find(wm->defaultconf, "SequencerCommon", SPACE_SEQ, 0);
WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
/* own keymap */
keymap = WM_keymap_find(wm->defaultconf, "SequencerPreview", SPACE_SEQ, 0);
WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
}
static void sequencer_preview_area_draw(const bContext *C, ARegion *ar)
{
ScrArea *sa = CTX_wm_area(C);
SpaceSeq *sseq = sa->spacedata.first;
Scene *scene = CTX_data_scene(C);
/* XXX temp fix for wrong setting in sseq->mainb */
if (sseq->mainb == SEQ_DRAW_SEQUENCE) sseq->mainb = SEQ_DRAW_IMG_IMBUF;
draw_image_seq(C, scene, ar, sseq, scene->r.cfra, 0);
if (scene->ed && scene->ed->over_flag & SEQ_EDIT_OVERLAY_SHOW && sseq->mainb == SEQ_DRAW_IMG_IMBUF) {
int over_cfra;
if (scene->ed->over_flag & SEQ_EDIT_OVERLAY_ABS)
over_cfra = scene->ed->over_cfra;
else
over_cfra = scene->r.cfra + scene->ed->over_ofs;
if (over_cfra != scene->r.cfra)
draw_image_seq(C, scene, ar, sseq, scene->r.cfra, over_cfra - scene->r.cfra);
}
}
static void sequencer_preview_area_listener(ARegion *ar, wmNotifier *wmn)
{
/* context changes */
switch (wmn->category) {
case NC_SCENE:
switch (wmn->data) {
case ND_FRAME:
case ND_MARKERS:
case ND_SEQUENCER:
case ND_RENDER_OPTIONS:
ED_region_tag_redraw(ar);
break;
}
break;
case NC_SPACE:
if (wmn->data == ND_SPACE_SEQUENCER)
ED_region_tag_redraw(ar);
break;
case NC_ID:
switch (wmn->data) {
case NA_RENAME:
ED_region_tag_redraw(ar);
break;
}
break;
case NC_MASK:
if (wmn->action == NA_EDITED) {
ED_region_tag_redraw(ar);
}
break;
}
}
/* *********************** buttons region ************************ */
/* add handlers, stuff you only do once or on area/region changes */
static void sequencer_buttons_area_init(wmWindowManager *wm, ARegion *ar)
{
ED_region_panels_init(wm, ar);
}
static void sequencer_buttons_area_draw(const bContext *C, ARegion *ar)
{
ED_region_panels(C, ar, 1, NULL, -1);
}
static void sequencer_buttons_area_listener(ARegion *ar, wmNotifier *wmn)
{
/* context changes */
switch (wmn->category) {
case NC_SCENE:
switch (wmn->data) {
case ND_FRAME:
case ND_SEQUENCER:
ED_region_tag_redraw(ar);
break;
}
break;
case NC_SPACE:
if (wmn->data == ND_SPACE_SEQUENCER)
ED_region_tag_redraw(ar);
break;
case NC_ID:
if (wmn->action == NA_RENAME)
ED_region_tag_redraw(ar);
break;
}
}
/* ************************************* */
/* only called once, from space/spacetypes.c */
void ED_spacetype_sequencer(void)
{
SpaceType *st = MEM_callocN(sizeof(SpaceType), "spacetype sequencer");
ARegionType *art;
st->spaceid = SPACE_SEQ;
strncpy(st->name, "Sequencer", BKE_ST_MAXNAME);
st->new = sequencer_new;
st->free = sequencer_free;
st->init = sequencer_init;
st->duplicate = sequencer_duplicate;
st->operatortypes = sequencer_operatortypes;
st->keymap = sequencer_keymap;
st->dropboxes = sequencer_dropboxes;
st->refresh = sequencer_refresh;
/* regions: main window */
art = MEM_callocN(sizeof(ARegionType), "spacetype sequencer region");
art->regionid = RGN_TYPE_WINDOW;
art->init = sequencer_main_area_init;
art->draw = sequencer_main_area_draw;
art->listener = sequencer_main_area_listener;
art->keymapflag = ED_KEYMAP_VIEW2D | ED_KEYMAP_MARKERS | ED_KEYMAP_FRAMES | ED_KEYMAP_ANIMATION;
BLI_addhead(&st->regiontypes, art);
/* preview */
art = MEM_callocN(sizeof(ARegionType), "spacetype sequencer region");
art->regionid = RGN_TYPE_PREVIEW;
art->prefsizey = 240; // XXX
art->init = sequencer_preview_area_init;
art->draw = sequencer_preview_area_draw;
art->listener = sequencer_preview_area_listener;
art->keymapflag = ED_KEYMAP_VIEW2D | ED_KEYMAP_FRAMES | ED_KEYMAP_ANIMATION;
BLI_addhead(&st->regiontypes, art);
/* regions: listview/buttons */
art = MEM_callocN(sizeof(ARegionType), "spacetype sequencer region");
art->regionid = RGN_TYPE_UI;
art->prefsizex = 220; // XXX
art->keymapflag = ED_KEYMAP_UI | ED_KEYMAP_FRAMES;
art->listener = sequencer_buttons_area_listener;
art->init = sequencer_buttons_area_init;
art->draw = sequencer_buttons_area_draw;
BLI_addhead(&st->regiontypes, art);
/* regions: header */
art = MEM_callocN(sizeof(ARegionType), "spacetype sequencer region");
art->regionid = RGN_TYPE_HEADER;
art->prefsizey = HEADERY;
art->keymapflag = ED_KEYMAP_UI | ED_KEYMAP_VIEW2D | ED_KEYMAP_FRAMES | ED_KEYMAP_HEADER;
art->init = sequencer_header_area_init;
art->draw = sequencer_header_area_draw;
art->listener = sequencer_main_area_listener;
BLI_addhead(&st->regiontypes, art);
BKE_spacetype_register(st);
/* set the sequencer callback when not in background mode */
if (G.background == 0) {
sequencer_view3d_cb = ED_view3d_draw_offscreen_imbuf_simple;
}
}
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