static void borderselect_nla_strips(bAnimContext *ac, rcti rect, short mode, short selectmode)
{
ListBase anim_data = {NULL, NULL};
bAnimListElem *ale;
int filter;
SpaceNla *snla = (SpaceNla *)ac->sl;
View2D *v2d = &ac->ar->v2d;
rctf rectf;
float ymin /* =(float)(-NLACHANNEL_HEIGHT(snla)) */ /* UNUSED */, ymax = 0;
/* convert border-region to view coordinates */
UI_view2d_region_to_view(v2d, rect.xmin, rect.ymin + 2, &rectf.xmin, &rectf.ymin);
UI_view2d_region_to_view(v2d, rect.xmax, rect.ymax - 2, &rectf.xmax, &rectf.ymax);
/* filter data */
filter = (ANIMFILTER_DATA_VISIBLE | ANIMFILTER_LIST_VISIBLE | ANIMFILTER_LIST_CHANNELS);
ANIM_animdata_filter(ac, &anim_data, filter, ac->data, ac->datatype);
/* convert selection modes to selection modes */
selectmode = selmodes_to_flagmodes(selectmode);
/* loop over data, doing border select */
for (ale = anim_data.first; ale; ale = ale->next) {
ymin = ymax - NLACHANNEL_STEP(snla);
/* perform vertical suitability check (if applicable) */
if ((mode == NLA_BORDERSEL_FRAMERANGE) ||
!((ymax < rectf.ymin) || (ymin > rectf.ymax)))
{
/* loop over data selecting (only if NLA-Track) */
if (ale->type == ANIMTYPE_NLATRACK) {
NlaTrack *nlt = (NlaTrack *)ale->data;
NlaStrip *strip;
/* only select strips if they fall within the required ranges (if applicable) */
for (strip = nlt->strips.first; strip; strip = strip->next) {
if ((mode == NLA_BORDERSEL_CHANNELS) ||
BKE_nlastrip_within_bounds(strip, rectf.xmin, rectf.xmax))
{
/* set selection */
ACHANNEL_SET_FLAG(strip, selectmode, NLASTRIP_FLAG_SELECT);
/* clear active flag */
strip->flag &= ~NLASTRIP_FLAG_ACTIVE;
}
}
}
}
/* set minimum extent to be the maximum of the next channel */
ymax = ymin;
}
/* cleanup */
ANIM_animdata_freelist(&anim_data);
}
/* handle clicking */
static int nlachannels_mouseclick_invoke(bContext *C, wmOperator *op, const wmEvent *event)
{
bAnimContext ac;
SpaceNla *snla;
ARegion *ar;
View2D *v2d;
int channel_index;
int notifierFlags = 0;
short selectmode;
float x, y;
/* get editor data */
if (ANIM_animdata_get_context(C, &ac) == 0)
return OPERATOR_CANCELLED;
/* get useful pointers from animation context data */
snla = (SpaceNla *)ac.sl;
ar = ac.ar;
v2d = &ar->v2d;
/* select mode is either replace (deselect all, then add) or add/extend */
if (RNA_boolean_get(op->ptr, "extend"))
selectmode = SELECT_INVERT;
else
selectmode = SELECT_REPLACE;
/* figure out which channel user clicked in
* Note: although channels technically start at y= NLACHANNEL_FIRST, we need to adjust by half a channel's height
* so that the tops of channels get caught ok. Since NLACHANNEL_FIRST is really NLACHANNEL_HEIGHT, we simply use
* NLACHANNEL_HEIGHT_HALF.
*/
UI_view2d_region_to_view(v2d, event->mval[0], event->mval[1], &x, &y);
UI_view2d_listview_view_to_cell(v2d, NLACHANNEL_NAMEWIDTH, NLACHANNEL_STEP(snla), 0, (float)NLACHANNEL_HEIGHT_HALF(snla), x, y, NULL, &channel_index);
/* handle mouse-click in the relevant channel then */
notifierFlags = mouse_nla_channels(C, &ac, x, channel_index, selectmode);
/* set notifier that things have changed */
WM_event_add_notifier(C, NC_ANIMATION | notifierFlags, NULL);
return OPERATOR_FINISHED;
}
void draw_nla_channel_list(bContext *C, bAnimContext *ac, ARegion *ar)
{
ListBase anim_data = {NULL, NULL};
bAnimListElem *ale;
int filter;
SpaceNla *snla = (SpaceNla *)ac->sl;
View2D *v2d = &ar->v2d;
float y = 0.0f;
size_t items;
int height;
/* build list of channels to draw */
filter = (ANIMFILTER_DATA_VISIBLE | ANIMFILTER_LIST_VISIBLE | ANIMFILTER_LIST_CHANNELS);
items = ANIM_animdata_filter(ac, &anim_data, filter, ac->data, ac->datatype);
/* Update max-extent of channels here (taking into account scrollers):
* - this is done to allow the channel list to be scrollable, but must be done here
* to avoid regenerating the list again and/or also because channels list is drawn first
* - offset of NLACHANNEL_HEIGHT*2 is added to the height of the channels, as first is for
* start of list offset, and the second is as a correction for the scrollers.
*/
height = ((items * NLACHANNEL_STEP(snla)) + (NLACHANNEL_HEIGHT(snla) * 2));
/* don't use totrect set, as the width stays the same
* (NOTE: this is ok here, the configuration is pretty straightforward)
*/
v2d->tot.ymin = (float)(-height);
/* need to do a view-sync here, so that the keys area doesn't jump around (it must copy this) */
UI_view2d_sync(NULL, ac->sa, v2d, V2D_LOCK_COPY);
/* draw channels */
{ /* first pass: just the standard GL-drawing for backdrop + text */
y = (float)(-NLACHANNEL_HEIGHT(snla));
for (ale = anim_data.first; ale; ale = ale->next) {
float yminc = (float)(y - NLACHANNEL_HEIGHT_HALF(snla));
float ymaxc = (float)(y + NLACHANNEL_HEIGHT_HALF(snla));
/* check if visible */
if (IN_RANGE(yminc, v2d->cur.ymin, v2d->cur.ymax) ||
IN_RANGE(ymaxc, v2d->cur.ymin, v2d->cur.ymax) )
{
/* draw all channels using standard channel-drawing API */
ANIM_channel_draw(ac, ale, yminc, ymaxc);
}
/* adjust y-position for next one */
y -= NLACHANNEL_STEP(snla);
}
}
{ /* second pass: UI widgets */
uiBlock *block = UI_block_begin(C, ar, __func__, UI_EMBOSS);
size_t channel_index = 0;
y = (float)(-NLACHANNEL_HEIGHT(snla));
/* set blending again, as may not be set in previous step */
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
/* loop through channels, and set up drawing depending on their type */
for (ale = anim_data.first; ale; ale = ale->next) {
const float yminc = (float)(y - NLACHANNEL_HEIGHT_HALF(snla));
const float ymaxc = (float)(y + NLACHANNEL_HEIGHT_HALF(snla));
/* check if visible */
if (IN_RANGE(yminc, v2d->cur.ymin, v2d->cur.ymax) ||
IN_RANGE(ymaxc, v2d->cur.ymin, v2d->cur.ymax) )
{
/* draw all channels using standard channel-drawing API */
ANIM_channel_draw_widgets(C, ac, ale, block, yminc, ymaxc, channel_index);
}
/* adjust y-position for next one */
y -= NLACHANNEL_STEP(snla);
channel_index++;
}
UI_block_end(C, block);
UI_block_draw(C, block);
glDisable(GL_BLEND);
}
/* free temporary channels */
ANIM_animdata_freelist(&anim_data);
}
void draw_nla_main_data(bAnimContext *ac, SpaceNla *snla, ARegion *ar)
{
ListBase anim_data = {NULL, NULL};
bAnimListElem *ale;
int filter;
View2D *v2d = &ar->v2d;
float y = 0.0f;
size_t items;
int height;
/* build list of channels to draw */
filter = (ANIMFILTER_DATA_VISIBLE | ANIMFILTER_LIST_VISIBLE | ANIMFILTER_LIST_CHANNELS);
items = ANIM_animdata_filter(ac, &anim_data, filter, ac->data, ac->datatype);
/* Update max-extent of channels here (taking into account scrollers):
* - this is done to allow the channel list to be scrollable, but must be done here
* to avoid regenerating the list again and/or also because channels list is drawn first
* - offset of NLACHANNEL_HEIGHT*2 is added to the height of the channels, as first is for
* start of list offset, and the second is as a correction for the scrollers.
*/
height = ((items * NLACHANNEL_STEP(snla)) + (NLACHANNEL_HEIGHT(snla) * 2));
/* don't use totrect set, as the width stays the same
* (NOTE: this is ok here, the configuration is pretty straightforward)
*/
v2d->tot.ymin = (float)(-height);
/* loop through channels, and set up drawing depending on their type */
y = (float)(-NLACHANNEL_HEIGHT(snla));
for (ale = anim_data.first; ale; ale = ale->next) {
const float yminc = (float)(y - NLACHANNEL_HEIGHT_HALF(snla));
const float ymaxc = (float)(y + NLACHANNEL_HEIGHT_HALF(snla));
/* check if visible */
if (IN_RANGE(yminc, v2d->cur.ymin, v2d->cur.ymax) ||
IN_RANGE(ymaxc, v2d->cur.ymin, v2d->cur.ymax) )
{
/* data to draw depends on the type of channel */
switch (ale->type) {
case ANIMTYPE_NLATRACK:
{
AnimData *adt = ale->adt;
NlaTrack *nlt = (NlaTrack *)ale->data;
NlaStrip *strip;
int index;
/* draw each strip in the track (if visible) */
for (strip = nlt->strips.first, index = 1; strip; strip = strip->next, index++) {
if (BKE_nlastrip_within_bounds(strip, v2d->cur.xmin, v2d->cur.xmax)) {
/* draw the visualization of the strip */
nla_draw_strip(snla, adt, nlt, strip, v2d, yminc, ymaxc);
/* add the text for this strip to the cache */
nla_draw_strip_text(adt, nlt, strip, index, v2d, yminc, ymaxc);
/* if transforming strips (only real reason for temp-metas currently),
* add to the cache the frame numbers of the strip's extents
*/
if (strip->flag & NLASTRIP_FLAG_TEMP_META)
nla_draw_strip_frames_text(nlt, strip, v2d, yminc, ymaxc);
}
}
break;
}
case ANIMTYPE_NLAACTION:
{
AnimData *adt = ale->adt;
float color[4];
/* just draw a semi-shaded rect spanning the width of the viewable area if there's data,
* and a second darker rect within which we draw keyframe indicator dots if there's data
*/
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
/* get colors for drawing */
nla_action_get_color(adt, ale->data, color);
glColor4fv(color);
/* draw slightly shifted up for greater separation from standard channels,
* but also slightly shorter for some more contrast when viewing the strips
*/
glRectf(v2d->cur.xmin, yminc + NLACHANNEL_SKIP, v2d->cur.xmax, ymaxc - NLACHANNEL_SKIP);
/* draw keyframes in the action */
nla_action_draw_keyframes(adt, ale->data, v2d, y, yminc + NLACHANNEL_SKIP, ymaxc - NLACHANNEL_SKIP);
/* draw 'embossed' lines above and below the strip for effect */
/* white base-lines */
glLineWidth(2.0f);
glColor4f(1.0f, 1.0f, 1.0f, 0.3);
fdrawline(v2d->cur.xmin, yminc + NLACHANNEL_SKIP, v2d->cur.xmax, yminc + NLACHANNEL_SKIP);
fdrawline(v2d->cur.xmin, ymaxc - NLACHANNEL_SKIP, v2d->cur.xmax, ymaxc - NLACHANNEL_SKIP);
/* black top-lines */
glLineWidth(1.0f);
glColor3f(0.0f, 0.0f, 0.0f);
fdrawline(v2d->cur.xmin, yminc + NLACHANNEL_SKIP, v2d->cur.xmax, yminc + NLACHANNEL_SKIP);
fdrawline(v2d->cur.xmin, ymaxc - NLACHANNEL_SKIP, v2d->cur.xmax, ymaxc - NLACHANNEL_SKIP);
glDisable(GL_BLEND);
break;
}
}
}
/* adjust y-position for next one */
y -= NLACHANNEL_STEP(snla);
}
/* free tempolary channels */
ANIM_animdata_freelist(&anim_data);
}
/* select strip directly under mouse */
static void mouse_nla_strips(bContext *C, bAnimContext *ac, const int mval[2], short select_mode)
{
ListBase anim_data = {NULL, NULL};
bAnimListElem *ale = NULL;
int filter;
SpaceNla *snla = (SpaceNla *)ac->sl;
View2D *v2d = &ac->ar->v2d;
Scene *scene = ac->scene;
NlaStrip *strip = NULL;
int channel_index;
float xmin, xmax;
float x, y;
/* use View2D to determine the index of the channel (i.e a row in the list) where keyframe was */
UI_view2d_region_to_view(v2d, mval[0], mval[1], &x, &y);
UI_view2d_listview_view_to_cell(v2d, 0, NLACHANNEL_STEP(snla), 0, (float)NLACHANNEL_HEIGHT_HALF(snla), x, y, NULL, &channel_index);
/* x-range to check is +/- 7 (in screen/region-space) on either side of mouse click
* (that is the size of keyframe icons, so user should be expecting similar tolerances)
*/
xmin = UI_view2d_region_to_view_x(v2d, mval[0] - 7);
xmax = UI_view2d_region_to_view_x(v2d, mval[0] + 7);
/* filter data */
filter = (ANIMFILTER_DATA_VISIBLE | ANIMFILTER_LIST_VISIBLE | ANIMFILTER_LIST_CHANNELS);
ANIM_animdata_filter(ac, &anim_data, filter, ac->data, ac->datatype);
/* try to get channel */
ale = BLI_findlink(&anim_data, channel_index);
if (ale == NULL) {
/* channel not found */
printf("Error: animation channel (index = %d) not found in mouse_nla_strips()\n", channel_index);
ANIM_animdata_freelist(&anim_data);
return;
}
else {
/* found some channel - we only really should do somethign when its an Nla-Track */
if (ale->type == ANIMTYPE_NLATRACK) {
NlaTrack *nlt = (NlaTrack *)ale->data;
/* loop over NLA-strips in this track, trying to find one which occurs in the necessary bounds */
for (strip = nlt->strips.first; strip; strip = strip->next) {
if (BKE_nlastrip_within_bounds(strip, xmin, xmax))
break;
}
}
/* remove active channel from list of channels for separate treatment (since it's needed later on) */
BLI_remlink(&anim_data, ale);
/* free list of channels, since it's not used anymore */
ANIM_animdata_freelist(&anim_data);
}
/* if currently in tweakmode, exit tweakmode before changing selection states
* now that we've found our target...
*/
if (scene->flag & SCE_NLA_EDIT_ON)
WM_operator_name_call(C, "NLA_OT_tweakmode_exit", WM_OP_EXEC_DEFAULT, NULL);
/* for replacing selection, firstly need to clear existing selection */
if (select_mode == SELECT_REPLACE) {
/* reset selection mode for next steps */
select_mode = SELECT_ADD;
/* deselect all strips */
deselect_nla_strips(ac, 0, SELECT_SUBTRACT);
/* deselect all other channels first */
ANIM_deselect_anim_channels(ac, ac->data, ac->datatype, 0, ACHANNEL_SETFLAG_CLEAR);
}
/* only select strip if we clicked on a valid channel and hit something */
if (ale) {
/* select the strip accordingly (if a matching one was found) */
if (strip) {
select_mode = selmodes_to_flagmodes(select_mode);
ACHANNEL_SET_FLAG(strip, select_mode, NLASTRIP_FLAG_SELECT);
/* if we selected it, we can make it active too
* - we always need to clear the active strip flag though...
* - as well as selecting its track...
*/
deselect_nla_strips(ac, DESELECT_STRIPS_CLEARACTIVE, 0);
if (strip->flag & NLASTRIP_FLAG_SELECT) {
strip->flag |= NLASTRIP_FLAG_ACTIVE;
/* Highlight NLA-Track */
if (ale->type == ANIMTYPE_NLATRACK) {
NlaTrack *nlt = (NlaTrack *)ale->data;
nlt->flag |= NLATRACK_SELECTED;
ANIM_set_active_channel(ac, ac->data, ac->datatype, filter, nlt, ANIMTYPE_NLATRACK);
}
}
}
/* free this channel */
MEM_freeN(ale);
}
}
// TODO: depreceate this code...
static void draw_nla_channel_list_gl(bAnimContext *ac, ListBase *anim_data, View2D *v2d, float y)
{
SpaceNla *snla = (SpaceNla *)ac->sl;
bAnimListElem *ale;
float x = 0.0f;
/* loop through channels, and set up drawing depending on their type */
for (ale = anim_data->first; ale; ale = ale->next) {
const float yminc = (float)(y - NLACHANNEL_HEIGHT_HALF(snla));
const float ymaxc = (float)(y + NLACHANNEL_HEIGHT_HALF(snla));
const float ydatac = (float)(y - 0.35f * U.widget_unit);
/* check if visible */
if (IN_RANGE(yminc, v2d->cur.ymin, v2d->cur.ymax) ||
IN_RANGE(ymaxc, v2d->cur.ymin, v2d->cur.ymax) )
{
AnimData *adt = ale->adt;
short indent = 0, offset = 0, sel = 0, group = 0;
int special = -1;
char name[128];
bool do_draw = false;
/* determine what needs to be drawn */
switch (ale->type) {
case ANIMTYPE_NLAACTION: /* NLA Action-Line */
{
bAction *act = (bAction *)ale->data;
group = 5;
special = ICON_ACTION;
BLI_strncpy(name, act ? act->id.name + 2 : "<No Action>", sizeof(name));
/* draw manually still */
do_draw = TRUE;
break;
}
default: /* handled by standard channel-drawing API */
/* (draw backdrops only...) */
ANIM_channel_draw(ac, ale, yminc, ymaxc);
break;
}
/* if special types, draw manually for now... */
if (do_draw) {
if (ale->id) {
/* special exception for textures */
if (GS(ale->id->name) == ID_TE) {
offset = 0.7f * U.widget_unit;
indent = 1;
}
/* special exception for nodetrees */
else if (GS(ale->id->name) == ID_NT) {
bNodeTree *ntree = (bNodeTree *)ale->id;
switch (ntree->type) {
case NTREE_SHADER:
{
/* same as for textures */
offset = 0.7f * U.widget_unit;
indent = 1;
break;
}
case NTREE_TEXTURE:
{
/* even more */
offset = U.widget_unit;
indent = 1;
break;
}
default:
/* normal will do */
offset = 0.7f * U.widget_unit;
break;
}
}
else {
offset = 0.7f * U.widget_unit;
}
}
else {
offset = 0;
}
/* now, start drawing based on this information */
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
/* draw backing strip behind channel name */
if (group == 5) {
float color[4];
/* Action Line
* The alpha values action_get_color returns are only useful for drawing
* strips backgrounds but here we're doing channel list backgrounds instead
* so we ignore that and use our own when needed
*/
nla_action_get_color(adt, (bAction *)ale->data, color);
if (adt && (adt->flag & ADT_NLA_EDIT_ON)) {
/* Yes, the color vector has 4 components, BUT we only want to be using 3 of them! */
glColor3fv(color);
}
else {
float alpha = (adt && (adt->flag & ADT_NLA_SOLO_TRACK)) ? 0.3f : 1.0f;
glColor4f(color[0], color[1], color[2], alpha);
}
offset += 0.35f * U.widget_unit * indent;
/* only on top two corners, to show that this channel sits on top of the preceding ones */
uiSetRoundBox(UI_CNR_TOP_LEFT | UI_CNR_TOP_RIGHT);
/* draw slightly shifted up vertically to look like it has more separation from other channels,
* but we then need to slightly shorten it so that it doesn't look like it overlaps
*/
uiDrawBox(GL_POLYGON, x + offset, yminc + NLACHANNEL_SKIP, (float)v2d->cur.xmax, ymaxc + NLACHANNEL_SKIP - 1, 8);
/* clear group value, otherwise we cause errors... */
group = 0;
}
/* draw special icon indicating certain data-types */
if (special > -1) {
/* for normal channels */
UI_icon_draw(x + offset, ydatac, special);
offset += 0.85f * U.widget_unit;
}
glDisable(GL_BLEND);
/* draw name */
if (sel)
UI_ThemeColor(TH_TEXT_HI);
else
UI_ThemeColor(TH_TEXT);
offset += 3;
UI_DrawString(x + offset, y - 4, name);
/* reset offset - for RHS of panel */
offset = 0;
/* set blending again, as text drawing may clear it */
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
/* draw NLA-action line 'status-icons' - only when there's an action */
if ((ale->type == ANIMTYPE_NLAACTION) && (ale->data)) {
offset += 0.8f * U.widget_unit;
/* now draw some indicator icons */
if ((adt) && (adt->flag & ADT_NLA_EDIT_ON)) {
/* toggle for tweaking with mapping/no-mapping (i.e. 'in place editing' toggle) */
// for now, use pin icon to symbolise this
if (adt->flag & ADT_NLA_EDIT_NOMAP)
UI_icon_draw((float)(v2d->cur.xmax - offset), ydatac, ICON_PINNED);
else
UI_icon_draw((float)(v2d->cur.xmax - offset), ydatac, ICON_UNPINNED);
fdrawline((float)(v2d->cur.xmax - offset), yminc,
(float)(v2d->cur.xmax - offset), ymaxc);
offset += 0.8f * U.widget_unit;
/* 'tweaking action' indicator - not a button */
UI_icon_draw((float)(v2d->cur.xmax - offset), ydatac, ICON_EDIT);
}
else {
/* XXX firstly draw a little rect to help identify that it's different from the toggles */
glBegin(GL_LINE_LOOP);
glVertex2f((float)v2d->cur.xmax - offset - 1, y - 0.35f * U.widget_unit);
glVertex2f((float)v2d->cur.xmax - offset - 1, y + 0.45f * U.widget_unit);
glVertex2f((float)v2d->cur.xmax - 1, y + 0.45f * U.widget_unit);
glVertex2f((float)v2d->cur.xmax - 1, y - 0.35f * U.widget_unit);
glEnd();
/* 'push down' icon for normal active-actions */
UI_icon_draw((float)v2d->cur.xmax - offset, ydatac, ICON_FREEZE);
}
}
glDisable(GL_BLEND);
}
}
/* adjust y-position for next one */
y -= NLACHANNEL_STEP(snla);
}
}
// TODO: depreceate this code...
static void draw_nla_channel_list_gl(bAnimContext *ac, ListBase *anim_data, View2D *v2d, float y)
{
SpaceNla *snla = (SpaceNla *)ac->sl;
bAnimListElem *ale;
float x = 0.0f;
/* loop through channels, and set up drawing depending on their type */
for (ale = anim_data->first; ale; ale = ale->next) {
const float yminc = (float)(y - NLACHANNEL_HEIGHT_HALF(snla));
const float ymaxc = (float)(y + NLACHANNEL_HEIGHT_HALF(snla));
const float ydatac = (float)(y - 7);
/* check if visible */
if (IN_RANGE(yminc, v2d->cur.ymin, v2d->cur.ymax) ||
IN_RANGE(ymaxc, v2d->cur.ymin, v2d->cur.ymax) )
{
AnimData *adt = ale->adt;
short indent = 0, offset = 0, sel = 0, group = 0, nonSolo = 0;
int expand = -1, protect = -1, special = -1, mute = -1;
char name[128];
short do_draw = FALSE;
/* determine what needs to be drawn */
switch (ale->type) {
case ANIMTYPE_NLATRACK: /* NLA Track */
{
NlaTrack *nlt = (NlaTrack *)ale->data;
/* 'solo' as the 'special' button? */
if (nlt->flag & NLATRACK_SOLO)
special = ICON_SOLO_ON;
else
special = ICON_SOLO_OFF;
/* if this track is active and we're tweaking it, don't draw these toggles */
// TODO: need a special macro for this...
if (((nlt->flag & NLATRACK_ACTIVE) && (nlt->flag & NLATRACK_DISABLED)) == 0) {
if (nlt->flag & NLATRACK_MUTED)
mute = ICON_MUTE_IPO_ON;
else
mute = ICON_MUTE_IPO_OFF;
if (EDITABLE_NLT(nlt))
protect = ICON_UNLOCKED;
else
protect = ICON_LOCKED;
}
/* is track enabled for solo drawing? */
if ((adt) && (adt->flag & ADT_NLA_SOLO_TRACK)) {
if ((nlt->flag & NLATRACK_SOLO) == 0) {
/* tag for special non-solo handling; also hide the mute toggles */
nonSolo = 1;
mute = 0;
}
}
sel = SEL_NLT(nlt);
BLI_strncpy(name, nlt->name, sizeof(name));
/* draw manually still */
do_draw = TRUE;
}
break;
case ANIMTYPE_NLAACTION: /* NLA Action-Line */
{
bAction *act = (bAction *)ale->data;
group = 5;
special = ICON_ACTION;
if (act)
BLI_snprintf(name, sizeof(name), "%s", act->id.name + 2);
else
BLI_strncpy(name, "<No Action>", sizeof(name));
/* draw manually still */
do_draw = TRUE;
}
break;
default: /* handled by standard channel-drawing API */
// draw backdrops only...
ANIM_channel_draw(ac, ale, yminc, ymaxc);
break;
}
/* if special types, draw manually for now... */
if (do_draw) {
if (ale->id) {
/* special exception for textures */
if (GS(ale->id->name) == ID_TE) {
offset = 14;
indent = 1;
}
/* special exception for nodetrees */
else if (GS(ale->id->name) == ID_NT) {
bNodeTree *ntree = (bNodeTree *)ale->id;
switch (ntree->type) {
case NTREE_SHADER:
{
/* same as for textures */
offset = 14;
indent = 1;
}
break;
case NTREE_TEXTURE:
{
/* even more */
offset = 21;
indent = 1;
}
break;
default:
/* normal will do */
offset = 14;
break;
}
}
else {
offset = 14;
}
}
else {
offset = 0;
}
/* now, start drawing based on this information */
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
/* draw backing strip behind channel name */
// FIXME: hardcoded colors!!!
if (group == 5) {
float color[4];
/* Action Line
* The alpha values action_get_color returns are only useful for drawing
* strips backgrounds but here we're doing channel list backgrounds instead
* so we ignore that and use our own when needed
*/
nla_action_get_color(adt, (bAction *)ale->data, color);
if (adt && (adt->flag & ADT_NLA_EDIT_ON)) {
/* Yes, the color vector has 4 components, BUT we only want to be using 3 of them! */
glColor3fv(color);
}
else {
float alpha = (adt && (adt->flag & ADT_NLA_SOLO_TRACK)) ? 0.3 : 1.0f;
glColor4f(color[0], color[1], color[2], alpha);
}
offset += 7 * indent;
/* only on top two corners, to show that this channel sits on top of the preceding ones */
uiSetRoundBox(UI_CNR_TOP_LEFT | UI_CNR_TOP_RIGHT);
/* draw slightly shifted up vertically to look like it has more separation from other channels,
* but we then need to slightly shorten it so that it doesn't look like it overlaps
*/
uiDrawBox(GL_POLYGON, x + offset, yminc + NLACHANNEL_SKIP, (float)v2d->cur.xmax, ymaxc + NLACHANNEL_SKIP - 1, 8);
/* clear group value, otherwise we cause errors... */
group = 0;
}
else {
/* NLA tracks - darker color if not solo track when we're showing solo */
UI_ThemeColorShade(TH_HEADER, ((nonSolo == 0) ? 20 : -20));
indent += group;
offset += 7 * indent;
glBegin(GL_QUADS);
glVertex2f(x + offset, yminc);
glVertex2f(x + offset, ymaxc);
glVertex2f((float)v2d->cur.xmax, ymaxc);
glVertex2f((float)v2d->cur.xmax, yminc);
glEnd();
}
/* draw expand/collapse triangle */
if (expand > 0) {
UI_icon_draw(x + offset, ydatac, expand);
offset += 17;
}
/* draw special icon indicating certain data-types */
if (special > -1) {
/* for normal channels */
UI_icon_draw(x + offset, ydatac, special);
offset += 17;
}
glDisable(GL_BLEND);
/* draw name */
if (sel)
UI_ThemeColor(TH_TEXT_HI);
else
UI_ThemeColor(TH_TEXT);
offset += 3;
UI_DrawString(x + offset, y - 4, name);
/* reset offset - for RHS of panel */
offset = 0;
/* set blending again, as text drawing may clear it */
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
/* draw protect 'lock' */
if (protect > -1) {
offset = 16;
UI_icon_draw((float)(v2d->cur.xmax - offset), ydatac, protect);
}
/* draw mute 'eye' */
if (mute > -1) {
offset += 16;
UI_icon_draw((float)(v2d->cur.xmax - offset), ydatac, mute);
}
/* draw NLA-action line 'status-icons' - only when there's an action */
if ((ale->type == ANIMTYPE_NLAACTION) && (ale->data)) {
AnimData *adt = ale->adt;
offset += 16;
/* now draw some indicator icons */
if ((adt) && (adt->flag & ADT_NLA_EDIT_ON)) {
/* toggle for tweaking with mapping/no-mapping (i.e. 'in place editing' toggle) */
// for now, use pin icon to symbolise this
if (adt->flag & ADT_NLA_EDIT_NOMAP)
UI_icon_draw((float)(v2d->cur.xmax - offset), ydatac, ICON_PINNED);
else
UI_icon_draw((float)(v2d->cur.xmax - offset), ydatac, ICON_UNPINNED);
fdrawline((float)(v2d->cur.xmax - offset), yminc,
(float)(v2d->cur.xmax - offset), ymaxc);
offset += 16;
/* 'tweaking action' indicator - not a button */
UI_icon_draw((float)(v2d->cur.xmax - offset), ydatac, ICON_EDIT);
}
else {
/* XXX firstly draw a little rect to help identify that it's different from the toggles */
glBegin(GL_LINE_LOOP);
glVertex2f((float)v2d->cur.xmax - offset - 1, y - 7);
glVertex2f((float)v2d->cur.xmax - offset - 1, y + 9);
glVertex2f((float)v2d->cur.xmax - 1, y + 9);
glVertex2f((float)v2d->cur.xmax - 1, y - 7);
glEnd(); // GL_LINES
/* 'push down' icon for normal active-actions */
UI_icon_draw((float)v2d->cur.xmax - offset, ydatac, ICON_FREEZE);
}
}
glDisable(GL_BLEND);
}
}
/* adjust y-position for next one */
y -= NLACHANNEL_STEP(snla);
}
}
void draw_nla_channel_list(const bContext *C, bAnimContext *ac, ARegion *ar)
{
ListBase anim_data = {NULL, NULL};
bAnimListElem *ale;
int filter;
SpaceNla *snla = (SpaceNla *)ac->sl;
View2D *v2d = &ar->v2d;
size_t items;
/* build list of channels to draw */
filter = (ANIMFILTER_DATA_VISIBLE | ANIMFILTER_LIST_VISIBLE | ANIMFILTER_LIST_CHANNELS);
items = ANIM_animdata_filter(ac, &anim_data, filter, ac->data, ac->datatype);
/* Update max-extent of channels here (taking into account scrollers):
* - this is done to allow the channel list to be scrollable, but must be done here
* to avoid regenerating the list again and/or also because channels list is drawn first
* - offset of NLACHANNEL_HEIGHT*2 is added to the height of the channels, as first is for
* start of list offset, and the second is as a correction for the scrollers.
*/
int height = NLACHANNEL_TOT_HEIGHT(ac, items);
v2d->tot.ymin = -height;
/* need to do a view-sync here, so that the keys area doesn't jump around
* (it must copy this) */
UI_view2d_sync(NULL, ac->sa, v2d, V2D_LOCK_COPY);
/* draw channels */
{ /* first pass: just the standard GL-drawing for backdrop + text */
size_t channel_index = 0;
float ymax = NLACHANNEL_FIRST_TOP(ac);
for (ale = anim_data.first; ale;
ale = ale->next, ymax -= NLACHANNEL_STEP(snla), channel_index++) {
float ymin = ymax - NLACHANNEL_HEIGHT(snla);
/* check if visible */
if (IN_RANGE(ymin, v2d->cur.ymin, v2d->cur.ymax) ||
IN_RANGE(ymax, v2d->cur.ymin, v2d->cur.ymax)) {
/* draw all channels using standard channel-drawing API */
ANIM_channel_draw(ac, ale, ymin, ymax, channel_index);
}
}
}
{ /* second pass: UI widgets */
uiBlock *block = UI_block_begin(C, ar, __func__, UI_EMBOSS);
size_t channel_index = 0;
float ymax = NLACHANNEL_FIRST_TOP(ac);
/* set blending again, as may not be set in previous step */
GPU_blend_set_func_separate(
GPU_SRC_ALPHA, GPU_ONE_MINUS_SRC_ALPHA, GPU_ONE, GPU_ONE_MINUS_SRC_ALPHA);
GPU_blend(true);
/* loop through channels, and set up drawing depending on their type */
for (ale = anim_data.first; ale;
ale = ale->next, ymax -= NLACHANNEL_STEP(snla), channel_index++) {
float ymin = ymax - NLACHANNEL_HEIGHT(snla);
/* check if visible */
if (IN_RANGE(ymin, v2d->cur.ymin, v2d->cur.ymax) ||
IN_RANGE(ymax, v2d->cur.ymin, v2d->cur.ymax)) {
/* draw all channels using standard channel-drawing API */
rctf channel_rect;
BLI_rctf_init(&channel_rect, 0, v2d->cur.xmax, ymin, ymax);
ANIM_channel_draw_widgets(C, ac, ale, block, &channel_rect, channel_index);
}
}
UI_block_end(C, block);
UI_block_draw(C, block);
GPU_blend(false);
}
/* free temporary channels */
ANIM_animdata_freelist(&anim_data);
}
void draw_nla_main_data(bAnimContext *ac, SpaceNla *snla, ARegion *ar)
{
View2D *v2d = &ar->v2d;
const float pixelx = BLI_rctf_size_x(&v2d->cur) / BLI_rcti_size_x(&v2d->mask);
const float text_margin_x = (8 * UI_DPI_FAC) * pixelx;
/* build list of channels to draw */
ListBase anim_data = {NULL, NULL};
int filter = (ANIMFILTER_DATA_VISIBLE | ANIMFILTER_LIST_VISIBLE | ANIMFILTER_LIST_CHANNELS);
size_t items = ANIM_animdata_filter(ac, &anim_data, filter, ac->data, ac->datatype);
/* Update max-extent of channels here (taking into account scrollers):
* - this is done to allow the channel list to be scrollable, but must be done here
* to avoid regenerating the list again and/or also because channels list is drawn first
* - offset of NLACHANNEL_HEIGHT*2 is added to the height of the channels, as first is for
* start of list offset, and the second is as a correction for the scrollers.
*/
int height = NLACHANNEL_TOT_HEIGHT(ac, items);
v2d->tot.ymin = -height;
/* loop through channels, and set up drawing depending on their type */
float ymax = NLACHANNEL_FIRST_TOP(ac);
for (bAnimListElem *ale = anim_data.first; ale; ale = ale->next, ymax -= NLACHANNEL_STEP(snla)) {
float ymin = ymax - NLACHANNEL_HEIGHT(snla);
float ycenter = (ymax + ymin) / 2.0f;
/* check if visible */
if (IN_RANGE(ymin, v2d->cur.ymin, v2d->cur.ymax) ||
IN_RANGE(ymax, v2d->cur.ymin, v2d->cur.ymax)) {
/* data to draw depends on the type of channel */
switch (ale->type) {
case ANIMTYPE_NLATRACK: {
AnimData *adt = ale->adt;
NlaTrack *nlt = (NlaTrack *)ale->data;
NlaStrip *strip;
int index;
/* draw each strip in the track (if visible) */
for (strip = nlt->strips.first, index = 1; strip; strip = strip->next, index++) {
if (BKE_nlastrip_within_bounds(strip, v2d->cur.xmin, v2d->cur.xmax)) {
const float xminc = strip->start + text_margin_x;
const float xmaxc = strip->end + text_margin_x;
/* draw the visualization of the strip */
nla_draw_strip(snla, adt, nlt, strip, v2d, ymin, ymax);
/* add the text for this strip to the cache */
if (xminc < xmaxc) {
nla_draw_strip_text(adt, nlt, strip, index, v2d, xminc, xmaxc, ymin, ymax);
}
/* if transforming strips (only real reason for temp-metas currently),
* add to the cache the frame numbers of the strip's extents
*/
if (strip->flag & NLASTRIP_FLAG_TEMP_META) {
nla_draw_strip_frames_text(nlt, strip, v2d, ymin, ymax);
}
}
}
break;
}
case ANIMTYPE_NLAACTION: {
AnimData *adt = ale->adt;
uint pos = GPU_vertformat_attr_add(
immVertexFormat(), "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
/* just draw a semi-shaded rect spanning the width of the viewable area if there's data,
* and a second darker rect within which we draw keyframe indicator dots if there's data
*/
GPU_blend_set_func_separate(
GPU_SRC_ALPHA, GPU_ONE_MINUS_SRC_ALPHA, GPU_ONE, GPU_ONE_MINUS_SRC_ALPHA);
GPU_blend(true);
/* get colors for drawing */
float color[4];
nla_action_get_color(adt, ale->data, color);
immUniformColor4fv(color);
/* draw slightly shifted up for greater separation from standard channels,
* but also slightly shorter for some more contrast when viewing the strips
*/
immRectf(
pos, v2d->cur.xmin, ymin + NLACHANNEL_SKIP, v2d->cur.xmax, ymax - NLACHANNEL_SKIP);
/* draw 'embossed' lines above and below the strip for effect */
/* white base-lines */
GPU_line_width(2.0f);
immUniformColor4f(1.0f, 1.0f, 1.0f, 0.3f);
immBegin(GPU_PRIM_LINES, 4);
immVertex2f(pos, v2d->cur.xmin, ymin + NLACHANNEL_SKIP);
immVertex2f(pos, v2d->cur.xmax, ymin + NLACHANNEL_SKIP);
immVertex2f(pos, v2d->cur.xmin, ymax - NLACHANNEL_SKIP);
immVertex2f(pos, v2d->cur.xmax, ymax - NLACHANNEL_SKIP);
immEnd();
/* black top-lines */
GPU_line_width(1.0f);
immUniformColor3f(0.0f, 0.0f, 0.0f);
immBegin(GPU_PRIM_LINES, 4);
immVertex2f(pos, v2d->cur.xmin, ymin + NLACHANNEL_SKIP);
immVertex2f(pos, v2d->cur.xmax, ymin + NLACHANNEL_SKIP);
immVertex2f(pos, v2d->cur.xmin, ymax - NLACHANNEL_SKIP);
immVertex2f(pos, v2d->cur.xmax, ymax - NLACHANNEL_SKIP);
immEnd();
/* TODO: these lines but better --^ */
immUnbindProgram();
/* draw keyframes in the action */
nla_action_draw_keyframes(
v2d, adt, ale->data, ycenter, ymin + NLACHANNEL_SKIP, ymax - NLACHANNEL_SKIP);
GPU_blend(false);
break;
}
}
}
}
/* free tempolary channels */
ANIM_animdata_freelist(&anim_data);
}
