/**
* Find the extents of the active channel
*
* \param[out] min Bottom y-extent of channel
* \param[out] max Top y-extent of channel
* \return Success of finding a selected channel
*/
static bool actkeys_channels_get_selected_extents(bAnimContext *ac, float *min, float *max)
{
ListBase anim_data = {NULL, NULL};
bAnimListElem *ale;
int filter;
short found = 0; /* NOTE: not bool, since we want prioritise individual channels over expanders */
float y;
/* get all items - we need to do it this way */
filter = (ANIMFILTER_DATA_VISIBLE | ANIMFILTER_LIST_VISIBLE | ANIMFILTER_LIST_CHANNELS);
ANIM_animdata_filter(ac, &anim_data, filter, ac->data, ac->datatype);
/* loop through all channels, finding the first one that's selected */
y = (float)ACHANNEL_FIRST;
for (ale = anim_data.first; ale; ale = ale->next) {
const bAnimChannelType *acf = ANIM_channel_get_typeinfo(ale);
/* must be selected... */
if (acf && acf->has_setting(ac, ale, ACHANNEL_SETTING_SELECT) &&
ANIM_channel_setting_get(ac, ale, ACHANNEL_SETTING_SELECT))
{
/* update best estimate */
*min = (float)(y - ACHANNEL_HEIGHT_HALF);
*max = (float)(y + ACHANNEL_HEIGHT_HALF);
/* is this high enough priority yet? */
found = acf->channel_role;
/* only stop our search when we've found an actual channel
* - datablock expanders get less priority so that we don't abort prematurely
*/
if (found == ACHANNEL_ROLE_CHANNEL) {
break;
}
}
/* adjust y-position for next one */
y -= ACHANNEL_STEP;
}
/* free all temp data */
ANIM_animdata_freelist(&anim_data);
return (found != 0);
}
/* draw keyframes in each channel */
void draw_channel_strips(bAnimContext *ac, SpaceAction *saction, ARegion *ar)
{
ListBase anim_data = {NULL, NULL};
bAnimListElem *ale;
int filter;
View2D *v2d = &ar->v2d;
bDopeSheet *ads = &saction->ads;
AnimData *adt = NULL;
float act_start, act_end, y;
size_t items;
int height;
unsigned char col1[3], col2[3];
unsigned char col1a[3], col2a[3];
unsigned char col1b[3], col2b[3];
/* get theme colors */
UI_GetThemeColor3ubv(TH_BACK, col2);
UI_GetThemeColor3ubv(TH_HILITE, col1);
UI_GetThemeColor3ubv(TH_GROUP, col2a);
UI_GetThemeColor3ubv(TH_GROUP_ACTIVE, col1a);
UI_GetThemeColor3ubv(TH_DOPESHEET_CHANNELOB, col1b);
UI_GetThemeColor3ubv(TH_DOPESHEET_CHANNELSUBOB, col2b);
/* set view-mapping rect (only used for x-axis), for NLA-scaling mapping with less calculation */
/* if in NLA there's a strip active, map the view */
if (ac->datatype == ANIMCONT_ACTION) {
/* adt= ANIM_nla_mapping_get(ac, NULL); */ /* UNUSED */
/* start and end of action itself */
calc_action_range(ac->data, &act_start, &act_end, 0);
}
/* 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 ACHANNEL_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 * ACHANNEL_STEP) + (ACHANNEL_HEIGHT * 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);
/* first backdrop strips */
y = (float)(-ACHANNEL_HEIGHT);
glEnable(GL_BLEND);
for (ale = anim_data.first; ale; ale = ale->next) {
const float yminc = (float)(y - ACHANNEL_HEIGHT_HALF);
const float ymaxc = (float)(y + ACHANNEL_HEIGHT_HALF);
/* check if visible */
if (IN_RANGE(yminc, v2d->cur.ymin, v2d->cur.ymax) ||
IN_RANGE(ymaxc, v2d->cur.ymin, v2d->cur.ymax) )
{
bAnimChannelType *acf = ANIM_channel_get_typeinfo(ale);
int sel = 0;
/* determine if any need to draw channel */
if (ale->datatype != ALE_NONE) {
/* determine if channel is selected */
if (acf->has_setting(ac, ale, ACHANNEL_SETTING_SELECT))
sel = ANIM_channel_setting_get(ac, ale, ACHANNEL_SETTING_SELECT);
if (ELEM3(ac->datatype, ANIMCONT_ACTION, ANIMCONT_DOPESHEET, ANIMCONT_SHAPEKEY)) {
switch (ale->type) {
case ANIMTYPE_SUMMARY:
{
/* reddish color from NLA */
UI_ThemeColor4(TH_ANIM_ACTIVE);
}
break;
case ANIMTYPE_SCENE:
case ANIMTYPE_OBJECT:
{
if (sel) glColor4ub(col1b[0], col1b[1], col1b[2], 0x45);
else glColor4ub(col1b[0], col1b[1], col1b[2], 0x22);
}
break;
case ANIMTYPE_FILLACTD:
case ANIMTYPE_DSSKEY:
case ANIMTYPE_DSWOR:
{
if (sel) glColor4ub(col2b[0], col2b[1], col2b[2], 0x45);
else glColor4ub(col2b[0], col2b[1], col2b[2], 0x22);
}
break;
case ANIMTYPE_GROUP:
{
if (sel) glColor4ub(col1a[0], col1a[1], col1a[2], 0x22);
else glColor4ub(col2a[0], col2a[1], col2a[2], 0x22);
}
break;
default:
{
if (sel) glColor4ub(col1[0], col1[1], col1[2], 0x22);
else glColor4ub(col2[0], col2[1], col2[2], 0x22);
}
break;
}
/* draw region twice: firstly backdrop, then the current range */
glRectf(v2d->cur.xmin, (float)y - ACHANNEL_HEIGHT_HALF, v2d->cur.xmax + EXTRA_SCROLL_PAD, (float)y + ACHANNEL_HEIGHT_HALF);
if (ac->datatype == ANIMCONT_ACTION)
glRectf(act_start, (float)y - ACHANNEL_HEIGHT_HALF, act_end, (float)y + ACHANNEL_HEIGHT_HALF);
}
else if (ac->datatype == ANIMCONT_GPENCIL) {
/* frames less than one get less saturated background */
if (sel) glColor4ub(col1[0], col1[1], col1[2], 0x22);
else glColor4ub(col2[0], col2[1], col2[2], 0x22);
glRectf(0.0f, (float)y - ACHANNEL_HEIGHT_HALF, v2d->cur.xmin, (float)y + ACHANNEL_HEIGHT_HALF);
/* frames one and higher get a saturated background */
if (sel) glColor4ub(col1[0], col1[1], col1[2], 0x44);
else glColor4ub(col2[0], col2[1], col2[2], 0x44);
glRectf(v2d->cur.xmin, (float)y - ACHANNEL_HEIGHT_HALF, v2d->cur.xmax + EXTRA_SCROLL_PAD, (float)y + ACHANNEL_HEIGHT_HALF);
}
else if (ac->datatype == ANIMCONT_MASK) {
/* TODO --- this is a copy of gpencil */
/* frames less than one get less saturated background */
if (sel) glColor4ub(col1[0], col1[1], col1[2], 0x22);
else glColor4ub(col2[0], col2[1], col2[2], 0x22);
glRectf(0.0f, (float)y - ACHANNEL_HEIGHT_HALF, v2d->cur.xmin, (float)y + ACHANNEL_HEIGHT_HALF);
/* frames one and higher get a saturated background */
if (sel) glColor4ub(col1[0], col1[1], col1[2], 0x44);
else glColor4ub(col2[0], col2[1], col2[2], 0x44);
glRectf(v2d->cur.xmin, (float)y - ACHANNEL_HEIGHT_HALF, v2d->cur.xmax + EXTRA_SCROLL_PAD, (float)y + ACHANNEL_HEIGHT_HALF);
}
}
}
/* Increment the step */
y -= ACHANNEL_STEP;
}
glDisable(GL_BLEND);
/* Draw keyframes
* 1) Only channels that are visible in the Action Editor get drawn/evaluated.
* This is to try to optimize this for heavier data sets
* 2) Keyframes which are out of view horizontally are disregarded
*/
y = (float)(-ACHANNEL_HEIGHT);
for (ale = anim_data.first; ale; ale = ale->next) {
const float yminc = (float)(y - ACHANNEL_HEIGHT_HALF);
const float ymaxc = (float)(y + ACHANNEL_HEIGHT_HALF);
/* check if visible */
if (IN_RANGE(yminc, v2d->cur.ymin, v2d->cur.ymax) ||
IN_RANGE(ymaxc, v2d->cur.ymin, v2d->cur.ymax) )
{
/* check if anything to show for this channel */
if (ale->datatype != ALE_NONE) {
adt = ANIM_nla_mapping_get(ac, ale);
/* draw 'keyframes' for each specific datatype */
switch (ale->datatype) {
case ALE_ALL:
draw_summary_channel(v2d, ale->data, y);
break;
case ALE_SCE:
draw_scene_channel(v2d, ads, ale->key_data, y);
break;
case ALE_OB:
draw_object_channel(v2d, ads, ale->key_data, y);
break;
case ALE_ACT:
draw_action_channel(v2d, adt, ale->key_data, y);
break;
case ALE_GROUP:
draw_agroup_channel(v2d, adt, ale->data, y);
break;
case ALE_FCURVE:
draw_fcurve_channel(v2d, adt, ale->key_data, y);
break;
case ALE_GPFRAME:
draw_gpl_channel(v2d, ads, ale->data, y);
break;
case ALE_MASKLAY:
draw_masklay_channel(v2d, ads, ale->data, y);
break;
}
}
}
y -= ACHANNEL_STEP;
}
/* free tempolary channels used for drawing */
BLI_freelistN(&anim_data);
/* black line marking 'current frame' for Time-Slide transform mode */
if (saction->flag & SACTION_MOVING) {
glColor3f(0.0f, 0.0f, 0.0f);
glBegin(GL_LINES);
glVertex2f(saction->timeslide, v2d->cur.ymin - EXTRA_SCROLL_PAD);
glVertex2f(saction->timeslide, v2d->cur.ymax);
glEnd();
}
}
static void graph_panel_properties(const bContext *C, Panel *pa)
{
bAnimListElem *ale;
FCurve *fcu;
PointerRNA fcu_ptr;
uiLayout *layout = pa->layout;
uiLayout *col, *row, *sub;
// uiBlock *block; // UNUSED
char name[256];
int icon = 0;
if (!graph_panel_context(C, &ale, &fcu))
return;
// UNUSED
// block = uiLayoutGetBlock(layout);
// UI_block_func_handle_set(block, do_graph_region_buttons, NULL);
/* F-Curve pointer */
RNA_pointer_create(ale->id, &RNA_FCurve, fcu, &fcu_ptr);
/* user-friendly 'name' for F-Curve */
col = uiLayoutColumn(layout, false);
if (ale->type == ANIMTYPE_FCURVE) {
/* get user-friendly name for F-Curve */
icon = getname_anim_fcurve(name, ale->id, fcu);
}
else {
/* NLA Control Curve, etc. */
const bAnimChannelType *acf = ANIM_channel_get_typeinfo(ale);
/* get name */
if (acf && acf->name) {
acf->name(ale, name);
}
else {
strcpy(name, IFACE_("<invalid>"));
icon = ICON_ERROR;
}
/* icon */
if (ale->type == ANIMTYPE_NLACURVE)
icon = ICON_NLA;
}
uiItemL(col, name, icon);
/* RNA-Path Editing - only really should be enabled when things aren't working */
col = uiLayoutColumn(layout, true);
uiLayoutSetEnabled(col, (fcu->flag & FCURVE_DISABLED) != 0);
uiItemR(col, &fcu_ptr, "data_path", 0, "", ICON_RNA);
uiItemR(col, &fcu_ptr, "array_index", 0, NULL, ICON_NONE);
/* color settings */
col = uiLayoutColumn(layout, true);
uiItemL(col, IFACE_("Display Color:"), ICON_NONE);
row = uiLayoutRow(col, true);
uiItemR(row, &fcu_ptr, "color_mode", 0, "", ICON_NONE);
sub = uiLayoutRow(row, true);
uiLayoutSetEnabled(sub, (fcu->color_mode == FCURVE_COLOR_CUSTOM));
uiItemR(sub, &fcu_ptr, "color", 0, "", ICON_NONE);
MEM_freeN(ale);
}
