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Cleanup: Move panel category drawing to proper section 

Somehow the panel category drawing functions ended up in the middle
of the region event handling code. This commit moves them to their
own section next to the rest of the drawing code.
This commit is contained in:
Hans Goudey 2020-08-27 12:33:27 -05:00
parent eed8ea1b73
commit 9d6789115a
1 changed files with 416 additions and 414 deletions
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830
source/blender/editors/interface/interface_panel.c
View File

@ -1101,6 +1101,422 @@ void ui_draw_aligned_panel(const uiStyle *style,
}
}
/********************** category drawing ***************************/
static void imm_buf_append(
float vbuf[][2], uchar cbuf[][3], float x, float y, const uchar col[3], int *index)
{
ARRAY_SET_ITEMS(vbuf[*index], x, y);
ARRAY_SET_ITEMS(cbuf[*index], UNPACK3(col));
(*index)++;
}
/* based on UI_draw_roundbox, check on making a version which allows us to skip some sides */
static void ui_panel_category_draw_tab(bool filled,
float minx,
float miny,
float maxx,
float maxy,
float rad,
const int roundboxtype,
const bool use_highlight,
const bool use_shadow,
const bool use_flip_x,
const uchar highlight_fade[3],
const uchar col[3])
{
float vec[4][2] = {{0.195, 0.02}, {0.55, 0.169}, {0.831, 0.45}, {0.98, 0.805}};
/* mult */
for (int a = 0; a < 4; a++) {
mul_v2_fl(vec[a], rad);
}
uint vert_len = 0;
if (use_highlight) {
vert_len += (roundboxtype & UI_CNR_TOP_RIGHT) ? 6 : 1;
vert_len += (roundboxtype & UI_CNR_TOP_LEFT) ? 6 : 1;
}
if (use_highlight && !use_shadow) {
vert_len++;
}
else {
vert_len += (roundboxtype & UI_CNR_BOTTOM_RIGHT) ? 6 : 1;
vert_len += (roundboxtype & UI_CNR_BOTTOM_LEFT) ? 6 : 1;
}
/* Maximum size. */
float vbuf[24][2];
uchar cbuf[24][3];
int buf_index = 0;
/* start with corner right-top */
if (use_highlight) {
if (roundboxtype & UI_CNR_TOP_RIGHT) {
imm_buf_append(vbuf, cbuf, maxx, maxy - rad, col, &buf_index);
for (int a = 0; a < 4; a++) {
imm_buf_append(vbuf, cbuf, maxx - vec[a][1], maxy - rad + vec[a][0], col, &buf_index);
}
imm_buf_append(vbuf, cbuf, maxx - rad, maxy, col, &buf_index);
}
else {
imm_buf_append(vbuf, cbuf, maxx, maxy, col, &buf_index);
}
/* corner left-top */
if (roundboxtype & UI_CNR_TOP_LEFT) {
imm_buf_append(vbuf, cbuf, minx + rad, maxy, col, &buf_index);
for (int a = 0; a < 4; a++) {
imm_buf_append(vbuf, cbuf, minx + rad - vec[a][0], maxy - vec[a][1], col, &buf_index);
}
imm_buf_append(vbuf, cbuf, minx, maxy - rad, col, &buf_index);
}
else {
imm_buf_append(vbuf, cbuf, minx, maxy, col, &buf_index);
}
}
if (use_highlight && !use_shadow) {
imm_buf_append(
vbuf, cbuf, minx, miny + rad, highlight_fade ? col : highlight_fade, &buf_index);
}
else {
/* corner left-bottom */
if (roundboxtype & UI_CNR_BOTTOM_LEFT) {
imm_buf_append(vbuf, cbuf, minx, miny + rad, col, &buf_index);
for (int a = 0; a < 4; a++) {
imm_buf_append(vbuf, cbuf, minx + vec[a][1], miny + rad - vec[a][0], col, &buf_index);
}
imm_buf_append(vbuf, cbuf, minx + rad, miny, col, &buf_index);
}
else {
imm_buf_append(vbuf, cbuf, minx, miny, col, &buf_index);
}
/* corner right-bottom */
if (roundboxtype & UI_CNR_BOTTOM_RIGHT) {
imm_buf_append(vbuf, cbuf, maxx - rad, miny, col, &buf_index);
for (int a = 0; a < 4; a++) {
imm_buf_append(vbuf, cbuf, maxx - rad + vec[a][0], miny + vec[a][1], col, &buf_index);
}
imm_buf_append(vbuf, cbuf, maxx, miny + rad, col, &buf_index);
}
else {
imm_buf_append(vbuf, cbuf, maxx, miny, col, &buf_index);
}
}
if (use_flip_x) {
const float midx = (minx + maxx) / 2.0f;
for (int i = 0; i < buf_index; i++) {
vbuf[i][0] = midx - (vbuf[i][0] - midx);
}
}
GPUVertFormat *format = immVertexFormat();
const uint pos = GPU_vertformat_attr_add(format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
uint color = GPU_vertformat_attr_add(
format, "color", GPU_COMP_U8, 3, GPU_FETCH_INT_TO_FLOAT_UNIT);
immBindBuiltinProgram(GPU_SHADER_2D_SMOOTH_COLOR);
immBegin(filled ? GPU_PRIM_TRI_FAN : GPU_PRIM_LINE_STRIP, vert_len);
for (int i = 0; i < buf_index; i++) {
immAttr3ubv(color, cbuf[i]);
immVertex2fv(pos, vbuf[i]);
}
immEnd();
immUnbindProgram();
}
/**
* Draw vertical tabs on the left side of the region,
* one tab per category.
*/
void UI_panel_category_draw_all(ARegion *region, const char *category_id_active)
{
/* no tab outlines for */
// #define USE_FLAT_INACTIVE
const bool is_left = RGN_ALIGN_ENUM_FROM_MASK(region->alignment != RGN_ALIGN_RIGHT);
View2D *v2d = &region->v2d;
const uiStyle *style = UI_style_get();
const uiFontStyle *fstyle = &style->widget;
const int fontid = fstyle->uifont_id;
short fstyle_points = fstyle->points;
const float aspect = ((uiBlock *)region->uiblocks.first)->aspect;
const float zoom = 1.0f / aspect;
const int px = max_ii(1, round_fl_to_int(U.pixelsize));
const int px_x_sign = is_left ? px : -px;
const int category_tabs_width = round_fl_to_int(UI_PANEL_CATEGORY_MARGIN_WIDTH * zoom);
const float dpi_fac = UI_DPI_FAC;
/* padding of tabs around text */
const int tab_v_pad_text = round_fl_to_int((2 + ((px * 3) * dpi_fac)) * zoom);
/* padding between tabs */
const int tab_v_pad = round_fl_to_int((4 + (2 * px * dpi_fac)) * zoom);
const float tab_curve_radius = ((px * 3) * dpi_fac) * zoom;
/* We flip the tab drawing, so always use these flags. */
const int roundboxtype = UI_CNR_TOP_LEFT | UI_CNR_BOTTOM_LEFT;
bool is_alpha;
bool do_scaletabs = false;
#ifdef USE_FLAT_INACTIVE
bool is_active_prev = false;
#endif
float scaletabs = 1.0f;
/* same for all tabs */
/* intentionally dont scale by 'px' */
const int rct_xmin = is_left ? v2d->mask.xmin + 3 : (v2d->mask.xmax - category_tabs_width);
const int rct_xmax = is_left ? v2d->mask.xmin + category_tabs_width : (v2d->mask.xmax - 3);
const int text_v_ofs = (rct_xmax - rct_xmin) * 0.3f;
int y_ofs = tab_v_pad;
/* Primary theme colors */
uchar theme_col_back[4];
uchar theme_col_text[3];
uchar theme_col_text_hi[3];
/* Tab colors */
uchar theme_col_tab_bg[4];
uchar theme_col_tab_active[3];
uchar theme_col_tab_inactive[3];
/* Secondary theme colors */
uchar theme_col_tab_outline[3];
uchar theme_col_tab_divider[3]; /* line that divides tabs from the main region */
uchar theme_col_tab_highlight[3];
uchar theme_col_tab_highlight_inactive[3];
UI_GetThemeColor4ubv(TH_BACK, theme_col_back);
UI_GetThemeColor3ubv(TH_TEXT, theme_col_text);
UI_GetThemeColor3ubv(TH_TEXT_HI, theme_col_text_hi);
UI_GetThemeColor4ubv(TH_TAB_BACK, theme_col_tab_bg);
UI_GetThemeColor3ubv(TH_TAB_ACTIVE, theme_col_tab_active);
UI_GetThemeColor3ubv(TH_TAB_INACTIVE, theme_col_tab_inactive);
UI_GetThemeColor3ubv(TH_TAB_OUTLINE, theme_col_tab_outline);
interp_v3_v3v3_uchar(theme_col_tab_divider, theme_col_back, theme_col_tab_outline, 0.3f);
interp_v3_v3v3_uchar(theme_col_tab_highlight, theme_col_back, theme_col_text_hi, 0.2f);
interp_v3_v3v3_uchar(
theme_col_tab_highlight_inactive, theme_col_tab_inactive, theme_col_text_hi, 0.12f);
is_alpha = (region->overlap && (theme_col_back[3] != 255));
if (fstyle->kerning == 1) {
BLF_enable(fstyle->uifont_id, BLF_KERNING_DEFAULT);
}
BLF_enable(fontid, BLF_ROTATION);
BLF_rotation(fontid, M_PI_2);
// UI_fontstyle_set(&style->widget);
ui_fontscale(&fstyle_points, aspect / (U.pixelsize * 1.1f));
BLF_size(fontid, fstyle_points, U.dpi);
/* Check the region type supports categories to avoid an assert
* for showing 3D view panels in the properties space. */
if ((1 << region->regiontype) & RGN_TYPE_HAS_CATEGORY_MASK) {
BLI_assert(UI_panel_category_is_visible(region));
}
/* calculate tab rect's and check if we need to scale down */
LISTBASE_FOREACH (PanelCategoryDyn *, pc_dyn, &region->panels_category) {
rcti *rct = &pc_dyn->rect;
const char *category_id = pc_dyn->idname;
const char *category_id_draw = IFACE_(category_id);
const int category_width = BLF_width(fontid, category_id_draw, BLF_DRAW_STR_DUMMY_MAX);
rct->xmin = rct_xmin;
rct->xmax = rct_xmax;
rct->ymin = v2d->mask.ymax - (y_ofs + category_width + (tab_v_pad_text * 2));
rct->ymax = v2d->mask.ymax - (y_ofs);
y_ofs += category_width + tab_v_pad + (tab_v_pad_text * 2);
}
if (y_ofs > BLI_rcti_size_y(&v2d->mask)) {
scaletabs = (float)BLI_rcti_size_y(&v2d->mask) / (float)y_ofs;
LISTBASE_FOREACH (PanelCategoryDyn *, pc_dyn, &region->panels_category) {
rcti *rct = &pc_dyn->rect;
rct->ymin = ((rct->ymin - v2d->mask.ymax) * scaletabs) + v2d->mask.ymax;
rct->ymax = ((rct->ymax - v2d->mask.ymax) * scaletabs) + v2d->mask.ymax;
}
do_scaletabs = true;
}
/* begin drawing */
GPU_line_smooth(true);
uint pos = GPU_vertformat_attr_add(
immVertexFormat(), "pos", GPU_COMP_I32, 2, GPU_FETCH_INT_TO_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
/* draw the background */
if (is_alpha) {
GPU_blend(GPU_BLEND_ALPHA);
immUniformColor4ubv(theme_col_tab_bg);
}
else {
immUniformColor3ubv(theme_col_tab_bg);
}
if (is_left) {
immRecti(
pos, v2d->mask.xmin, v2d->mask.ymin, v2d->mask.xmin + category_tabs_width, v2d->mask.ymax);
}
else {
immRecti(
pos, v2d->mask.xmax - category_tabs_width, v2d->mask.ymin, v2d->mask.xmax, v2d->mask.ymax);
}
if (is_alpha) {
GPU_blend(GPU_BLEND_NONE);
}
immUnbindProgram();
const int divider_xmin = is_left ? (v2d->mask.xmin + (category_tabs_width - px)) :
(v2d->mask.xmax - category_tabs_width) + px;
const int divider_xmax = is_left ? (v2d->mask.xmin + category_tabs_width) :
(v2d->mask.xmax - (category_tabs_width + px)) + px;
LISTBASE_FOREACH (PanelCategoryDyn *, pc_dyn, &region->panels_category) {
const rcti *rct = &pc_dyn->rect;
const char *category_id = pc_dyn->idname;
const char *category_id_draw = IFACE_(category_id);
const int category_width = BLI_rcti_size_y(rct) - (tab_v_pad_text * 2);
size_t category_draw_len = BLF_DRAW_STR_DUMMY_MAX;
// int category_width = BLF_width(fontid, category_id_draw, BLF_DRAW_STR_DUMMY_MAX);
const bool is_active = STREQ(category_id, category_id_active);
GPU_blend(GPU_BLEND_ALPHA);
#ifdef USE_FLAT_INACTIVE
if (is_active)
#endif
{
const bool use_flip_x = !is_left;
ui_panel_category_draw_tab(true,
rct->xmin,
rct->ymin,
rct->xmax,
rct->ymax,
tab_curve_radius - px,
roundboxtype,
true,
true,
use_flip_x,
NULL,
is_active ? theme_col_tab_active : theme_col_tab_inactive);
/* tab outline */
ui_panel_category_draw_tab(false,
rct->xmin - px_x_sign,
rct->ymin - px,
rct->xmax - px_x_sign,
rct->ymax + px,
tab_curve_radius,
roundboxtype,
true,
true,
use_flip_x,
NULL,
theme_col_tab_outline);
/* tab highlight (3d look) */
ui_panel_category_draw_tab(false,
rct->xmin,
rct->ymin,
rct->xmax,
rct->ymax,
tab_curve_radius,
roundboxtype,
true,
false,
use_flip_x,
is_active ? theme_col_back : theme_col_tab_inactive,
is_active ? theme_col_tab_highlight :
theme_col_tab_highlight_inactive);
}
/* tab blackline */
if (!is_active) {
pos = GPU_vertformat_attr_add(
immVertexFormat(), "pos", GPU_COMP_I32, 2, GPU_FETCH_INT_TO_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
immUniformColor3ubv(theme_col_tab_divider);
immRecti(pos, divider_xmin, rct->ymin - tab_v_pad, divider_xmax, rct->ymax + tab_v_pad);
immUnbindProgram();
}
if (do_scaletabs) {
category_draw_len = BLF_width_to_strlen(
fontid, category_id_draw, category_draw_len, category_width, NULL);
}
BLF_position(fontid, rct->xmax - text_v_ofs, rct->ymin + tab_v_pad_text, 0.0f);
/* tab titles */
/* draw white shadow to give text more depth */
BLF_color3ubv(fontid, theme_col_text);
/* main tab title */
BLF_draw(fontid, category_id_draw, category_draw_len);
GPU_blend(GPU_BLEND_NONE);
/* tab blackline remaining (last tab) */
pos = GPU_vertformat_attr_add(
immVertexFormat(), "pos", GPU_COMP_I32, 2, GPU_FETCH_INT_TO_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
if (pc_dyn->prev == NULL) {
immUniformColor3ubv(theme_col_tab_divider);
immRecti(pos, divider_xmin, rct->ymax + px, divider_xmax, v2d->mask.ymax);
}
if (pc_dyn->next == NULL) {
immUniformColor3ubv(theme_col_tab_divider);
immRecti(pos, divider_xmin, 0, divider_xmax, rct->ymin);
}
#ifdef USE_FLAT_INACTIVE
/* draw line between inactive tabs */
if (is_active == false && is_active_prev == false && pc_dyn->prev) {
immUniformColor3ubv(theme_col_tab_divider);
immRecti(pos,
v2d->mask.xmin + (category_tabs_width / 5),
rct->ymax + px,
(v2d->mask.xmin + category_tabs_width) - (category_tabs_width / 5),
rct->ymax + (px * 3));
}
is_active_prev = is_active;
#endif
immUnbindProgram();
/* not essential, but allows events to be handled right up until the region edge [#38171] */
if (is_left) {
pc_dyn->rect.xmin = v2d->mask.xmin;
}
else {
pc_dyn->rect.xmax = v2d->mask.xmax;
}
}
GPU_line_smooth(false);
BLF_disable(fontid, BLF_ROTATION);
if (fstyle->kerning == 1) {
BLF_disable(fstyle->uifont_id, BLF_KERNING_DEFAULT);
}
#undef USE_FLAT_INACTIVE
}
/************************** panel alignment *************************/
static int get_panel_size_y(const Panel *panel)
@ -1888,420 +2304,6 @@ void UI_panel_category_clear_all(ARegion *region)
BLI_freelistN(&region->panels_category);
}
static void imm_buf_append(
float vbuf[][2], uchar cbuf[][3], float x, float y, const uchar col[3], int *index)
{
ARRAY_SET_ITEMS(vbuf[*index], x, y);
ARRAY_SET_ITEMS(cbuf[*index], UNPACK3(col));
(*index)++;
}
/* based on UI_draw_roundbox, check on making a version which allows us to skip some sides */
static void ui_panel_category_draw_tab(bool filled,
float minx,
float miny,
float maxx,
float maxy,
float rad,
const int roundboxtype,
const bool use_highlight,
const bool use_shadow,
const bool use_flip_x,
const uchar highlight_fade[3],
const uchar col[3])
{
float vec[4][2] = {{0.195, 0.02}, {0.55, 0.169}, {0.831, 0.45}, {0.98, 0.805}};
/* mult */
for (int a = 0; a < 4; a++) {
mul_v2_fl(vec[a], rad);
}
uint vert_len = 0;
if (use_highlight) {
vert_len += (roundboxtype & UI_CNR_TOP_RIGHT) ? 6 : 1;
vert_len += (roundboxtype & UI_CNR_TOP_LEFT) ? 6 : 1;
}
if (use_highlight && !use_shadow) {
vert_len++;
}
else {
vert_len += (roundboxtype & UI_CNR_BOTTOM_RIGHT) ? 6 : 1;
vert_len += (roundboxtype & UI_CNR_BOTTOM_LEFT) ? 6 : 1;
}
/* Maximum size. */
float vbuf[24][2];
uchar cbuf[24][3];
int buf_index = 0;
/* start with corner right-top */
if (use_highlight) {
if (roundboxtype & UI_CNR_TOP_RIGHT) {
imm_buf_append(vbuf, cbuf, maxx, maxy - rad, col, &buf_index);
for (int a = 0; a < 4; a++) {
imm_buf_append(vbuf, cbuf, maxx - vec[a][1], maxy - rad + vec[a][0], col, &buf_index);
}
imm_buf_append(vbuf, cbuf, maxx - rad, maxy, col, &buf_index);
}
else {
imm_buf_append(vbuf, cbuf, maxx, maxy, col, &buf_index);
}
/* corner left-top */
if (roundboxtype & UI_CNR_TOP_LEFT) {
imm_buf_append(vbuf, cbuf, minx + rad, maxy, col, &buf_index);
for (int a = 0; a < 4; a++) {
imm_buf_append(vbuf, cbuf, minx + rad - vec[a][0], maxy - vec[a][1], col, &buf_index);
}
imm_buf_append(vbuf, cbuf, minx, maxy - rad, col, &buf_index);
}
else {
imm_buf_append(vbuf, cbuf, minx, maxy, col, &buf_index);
}
}
if (use_highlight && !use_shadow) {
imm_buf_append(
vbuf, cbuf, minx, miny + rad, highlight_fade ? col : highlight_fade, &buf_index);
}
else {
/* corner left-bottom */
if (roundboxtype & UI_CNR_BOTTOM_LEFT) {
imm_buf_append(vbuf, cbuf, minx, miny + rad, col, &buf_index);
for (int a = 0; a < 4; a++) {
imm_buf_append(vbuf, cbuf, minx + vec[a][1], miny + rad - vec[a][0], col, &buf_index);
}
imm_buf_append(vbuf, cbuf, minx + rad, miny, col, &buf_index);
}
else {
imm_buf_append(vbuf, cbuf, minx, miny, col, &buf_index);
}
/* corner right-bottom */
if (roundboxtype & UI_CNR_BOTTOM_RIGHT) {
imm_buf_append(vbuf, cbuf, maxx - rad, miny, col, &buf_index);
for (int a = 0; a < 4; a++) {
imm_buf_append(vbuf, cbuf, maxx - rad + vec[a][0], miny + vec[a][1], col, &buf_index);
}
imm_buf_append(vbuf, cbuf, maxx, miny + rad, col, &buf_index);
}
else {
imm_buf_append(vbuf, cbuf, maxx, miny, col, &buf_index);
}
}
if (use_flip_x) {
const float midx = (minx + maxx) / 2.0f;
for (int i = 0; i < buf_index; i++) {
vbuf[i][0] = midx - (vbuf[i][0] - midx);
}
}
GPUVertFormat *format = immVertexFormat();
const uint pos = GPU_vertformat_attr_add(format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
uint color = GPU_vertformat_attr_add(
format, "color", GPU_COMP_U8, 3, GPU_FETCH_INT_TO_FLOAT_UNIT);
immBindBuiltinProgram(GPU_SHADER_2D_SMOOTH_COLOR);
immBegin(filled ? GPU_PRIM_TRI_FAN : GPU_PRIM_LINE_STRIP, vert_len);
for (int i = 0; i < buf_index; i++) {
immAttr3ubv(color, cbuf[i]);
immVertex2fv(pos, vbuf[i]);
}
immEnd();
immUnbindProgram();
}
/**
* Draw vertical tabs on the left side of the region,
* one tab per category.
*/
void UI_panel_category_draw_all(ARegion *region, const char *category_id_active)
{
/* no tab outlines for */
// #define USE_FLAT_INACTIVE
const bool is_left = RGN_ALIGN_ENUM_FROM_MASK(region->alignment != RGN_ALIGN_RIGHT);
View2D *v2d = &region->v2d;
const uiStyle *style = UI_style_get();
const uiFontStyle *fstyle = &style->widget;
const int fontid = fstyle->uifont_id;
short fstyle_points = fstyle->points;
const float aspect = ((uiBlock *)region->uiblocks.first)->aspect;
const float zoom = 1.0f / aspect;
const int px = max_ii(1, round_fl_to_int(U.pixelsize));
const int px_x_sign = is_left ? px : -px;
const int category_tabs_width = round_fl_to_int(UI_PANEL_CATEGORY_MARGIN_WIDTH * zoom);
const float dpi_fac = UI_DPI_FAC;
/* padding of tabs around text */
const int tab_v_pad_text = round_fl_to_int((2 + ((px * 3) * dpi_fac)) * zoom);
/* padding between tabs */
const int tab_v_pad = round_fl_to_int((4 + (2 * px * dpi_fac)) * zoom);
const float tab_curve_radius = ((px * 3) * dpi_fac) * zoom;
/* We flip the tab drawing, so always use these flags. */
const int roundboxtype = UI_CNR_TOP_LEFT | UI_CNR_BOTTOM_LEFT;
bool is_alpha;
bool do_scaletabs = false;
#ifdef USE_FLAT_INACTIVE
bool is_active_prev = false;
#endif
float scaletabs = 1.0f;
/* same for all tabs */
/* intentionally dont scale by 'px' */
const int rct_xmin = is_left ? v2d->mask.xmin + 3 : (v2d->mask.xmax - category_tabs_width);
const int rct_xmax = is_left ? v2d->mask.xmin + category_tabs_width : (v2d->mask.xmax - 3);
const int text_v_ofs = (rct_xmax - rct_xmin) * 0.3f;
int y_ofs = tab_v_pad;
/* Primary theme colors */
uchar theme_col_back[4];
uchar theme_col_text[3];
uchar theme_col_text_hi[3];
/* Tab colors */
uchar theme_col_tab_bg[4];
uchar theme_col_tab_active[3];
uchar theme_col_tab_inactive[3];
/* Secondary theme colors */
uchar theme_col_tab_outline[3];
uchar theme_col_tab_divider[3]; /* line that divides tabs from the main region */
uchar theme_col_tab_highlight[3];
uchar theme_col_tab_highlight_inactive[3];
UI_GetThemeColor4ubv(TH_BACK, theme_col_back);
UI_GetThemeColor3ubv(TH_TEXT, theme_col_text);
UI_GetThemeColor3ubv(TH_TEXT_HI, theme_col_text_hi);
UI_GetThemeColor4ubv(TH_TAB_BACK, theme_col_tab_bg);
UI_GetThemeColor3ubv(TH_TAB_ACTIVE, theme_col_tab_active);
UI_GetThemeColor3ubv(TH_TAB_INACTIVE, theme_col_tab_inactive);
UI_GetThemeColor3ubv(TH_TAB_OUTLINE, theme_col_tab_outline);
interp_v3_v3v3_uchar(theme_col_tab_divider, theme_col_back, theme_col_tab_outline, 0.3f);
interp_v3_v3v3_uchar(theme_col_tab_highlight, theme_col_back, theme_col_text_hi, 0.2f);
interp_v3_v3v3_uchar(
theme_col_tab_highlight_inactive, theme_col_tab_inactive, theme_col_text_hi, 0.12f);
is_alpha = (region->overlap && (theme_col_back[3] != 255));
if (fstyle->kerning == 1) {
BLF_enable(fstyle->uifont_id, BLF_KERNING_DEFAULT);
}
BLF_enable(fontid, BLF_ROTATION);
BLF_rotation(fontid, M_PI_2);
// UI_fontstyle_set(&style->widget);
ui_fontscale(&fstyle_points, aspect / (U.pixelsize * 1.1f));
BLF_size(fontid, fstyle_points, U.dpi);
/* Check the region type supports categories to avoid an assert
* for showing 3D view panels in the properties space. */
if ((1 << region->regiontype) & RGN_TYPE_HAS_CATEGORY_MASK) {
BLI_assert(UI_panel_category_is_visible(region));
}
/* calculate tab rect's and check if we need to scale down */
LISTBASE_FOREACH (PanelCategoryDyn *, pc_dyn, &region->panels_category) {
rcti *rct = &pc_dyn->rect;
const char *category_id = pc_dyn->idname;
const char *category_id_draw = IFACE_(category_id);
const int category_width = BLF_width(fontid, category_id_draw, BLF_DRAW_STR_DUMMY_MAX);
rct->xmin = rct_xmin;
rct->xmax = rct_xmax;
rct->ymin = v2d->mask.ymax - (y_ofs + category_width + (tab_v_pad_text * 2));
rct->ymax = v2d->mask.ymax - (y_ofs);
y_ofs += category_width + tab_v_pad + (tab_v_pad_text * 2);
}
if (y_ofs > BLI_rcti_size_y(&v2d->mask)) {
scaletabs = (float)BLI_rcti_size_y(&v2d->mask) / (float)y_ofs;
LISTBASE_FOREACH (PanelCategoryDyn *, pc_dyn, &region->panels_category) {
rcti *rct = &pc_dyn->rect;
rct->ymin = ((rct->ymin - v2d->mask.ymax) * scaletabs) + v2d->mask.ymax;
rct->ymax = ((rct->ymax - v2d->mask.ymax) * scaletabs) + v2d->mask.ymax;
}
do_scaletabs = true;
}
/* begin drawing */
GPU_line_smooth(true);
uint pos = GPU_vertformat_attr_add(
immVertexFormat(), "pos", GPU_COMP_I32, 2, GPU_FETCH_INT_TO_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
/* draw the background */
if (is_alpha) {
GPU_blend(GPU_BLEND_ALPHA);
immUniformColor4ubv(theme_col_tab_bg);
}
else {
immUniformColor3ubv(theme_col_tab_bg);
}
if (is_left) {
immRecti(
pos, v2d->mask.xmin, v2d->mask.ymin, v2d->mask.xmin + category_tabs_width, v2d->mask.ymax);
}
else {
immRecti(
pos, v2d->mask.xmax - category_tabs_width, v2d->mask.ymin, v2d->mask.xmax, v2d->mask.ymax);
}
if (is_alpha) {
GPU_blend(GPU_BLEND_NONE);
}
immUnbindProgram();
const int divider_xmin = is_left ? (v2d->mask.xmin + (category_tabs_width - px)) :
(v2d->mask.xmax - category_tabs_width) + px;
const int divider_xmax = is_left ? (v2d->mask.xmin + category_tabs_width) :
(v2d->mask.xmax - (category_tabs_width + px)) + px;
LISTBASE_FOREACH (PanelCategoryDyn *, pc_dyn, &region->panels_category) {
const rcti *rct = &pc_dyn->rect;
const char *category_id = pc_dyn->idname;
const char *category_id_draw = IFACE_(category_id);
const int category_width = BLI_rcti_size_y(rct) - (tab_v_pad_text * 2);
size_t category_draw_len = BLF_DRAW_STR_DUMMY_MAX;
// int category_width = BLF_width(fontid, category_id_draw, BLF_DRAW_STR_DUMMY_MAX);
const bool is_active = STREQ(category_id, category_id_active);
GPU_blend(GPU_BLEND_ALPHA);
#ifdef USE_FLAT_INACTIVE
if (is_active)
#endif
{
const bool use_flip_x = !is_left;
ui_panel_category_draw_tab(true,
rct->xmin,
rct->ymin,
rct->xmax,
rct->ymax,
tab_curve_radius - px,
roundboxtype,
true,
true,
use_flip_x,
NULL,
is_active ? theme_col_tab_active : theme_col_tab_inactive);
/* tab outline */
ui_panel_category_draw_tab(false,
rct->xmin - px_x_sign,
rct->ymin - px,
rct->xmax - px_x_sign,
rct->ymax + px,
tab_curve_radius,
roundboxtype,
true,
true,
use_flip_x,
NULL,
theme_col_tab_outline);
/* tab highlight (3d look) */
ui_panel_category_draw_tab(false,
rct->xmin,
rct->ymin,
rct->xmax,
rct->ymax,
tab_curve_radius,
roundboxtype,
true,
false,
use_flip_x,
is_active ? theme_col_back : theme_col_tab_inactive,
is_active ? theme_col_tab_highlight :
theme_col_tab_highlight_inactive);
}
/* tab blackline */
if (!is_active) {
pos = GPU_vertformat_attr_add(
immVertexFormat(), "pos", GPU_COMP_I32, 2, GPU_FETCH_INT_TO_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
immUniformColor3ubv(theme_col_tab_divider);
immRecti(pos, divider_xmin, rct->ymin - tab_v_pad, divider_xmax, rct->ymax + tab_v_pad);
immUnbindProgram();
}
if (do_scaletabs) {
category_draw_len = BLF_width_to_strlen(
fontid, category_id_draw, category_draw_len, category_width, NULL);
}
BLF_position(fontid, rct->xmax - text_v_ofs, rct->ymin + tab_v_pad_text, 0.0f);
/* tab titles */
/* draw white shadow to give text more depth */
BLF_color3ubv(fontid, theme_col_text);
/* main tab title */
BLF_draw(fontid, category_id_draw, category_draw_len);
GPU_blend(GPU_BLEND_NONE);
/* tab blackline remaining (last tab) */
pos = GPU_vertformat_attr_add(
immVertexFormat(), "pos", GPU_COMP_I32, 2, GPU_FETCH_INT_TO_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
if (pc_dyn->prev == NULL) {
immUniformColor3ubv(theme_col_tab_divider);
immRecti(pos, divider_xmin, rct->ymax + px, divider_xmax, v2d->mask.ymax);
}
if (pc_dyn->next == NULL) {
immUniformColor3ubv(theme_col_tab_divider);
immRecti(pos, divider_xmin, 0, divider_xmax, rct->ymin);
}
#ifdef USE_FLAT_INACTIVE
/* draw line between inactive tabs */
if (is_active == false && is_active_prev == false && pc_dyn->prev) {
immUniformColor3ubv(theme_col_tab_divider);
immRecti(pos,
v2d->mask.xmin + (category_tabs_width / 5),
rct->ymax + px,
(v2d->mask.xmin + category_tabs_width) - (category_tabs_width / 5),
rct->ymax + (px * 3));
}
is_active_prev = is_active;
#endif
immUnbindProgram();
/* not essential, but allows events to be handled right up until the region edge [#38171] */
if (is_left) {
pc_dyn->rect.xmin = v2d->mask.xmin;
}
else {
pc_dyn->rect.xmax = v2d->mask.xmax;
}
}
GPU_line_smooth(false);
BLF_disable(fontid, BLF_ROTATION);
if (fstyle->kerning == 1) {
BLF_disable(fstyle->uifont_id, BLF_KERNING_DEFAULT);
}
#undef USE_FLAT_INACTIVE
}
static int ui_handle_panel_category_cycling(const wmEvent *event,
ARegion *region,
const uiBut *active_but)