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Differential D760 Diff 2482 source/blender/editors/interface/interface_regions.c

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source/blender/editors/interface/interface_regions.c

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MEM_freeN(handle); MEM_freeN(handle);
} }
/**************************** Value Ladders *************************/
static uiBlock *ui_vladder_draw(bContext *C, ARegion *ar, void *arg_data)
{
uiVLadderData *data = arg_data;
uiBut *but = data->but, *bt;
uiBlock *block, *bblock = but->block;
uiHandleButtonData *hbdata = but->active;
char str_val[16], str_val_s[16];
const bool is_but_unit = ui_is_but_unit(but);
bool mbuts;
if (is_but_unit)
ui_get_but_string_unit(but, str_val, sizeof(str_val), hbdata->value, true, -1);
else {
ui_get_but_string(but, str_val, sizeof(str_val));
ui_get_but_string_suffixed(but, str_val_s, sizeof(str_val));
}
#ifdef USE_DRAG_MULTINUM
if (hbdata->multi_data.has_mbuts)
for (bt = bblock->buttons.first; bt; bt = bt->next)
if (bt->flag & UI_BUT_DRAG_MULTI) {
char str_mbut_val[96];
if (is_but_unit)
ui_get_but_string_unit(bt, str_mbut_val, sizeof(str_mbut_val), hbdata->value, true, 3);
else
ui_get_but_string(bt, str_mbut_val, sizeof(str_mbut_val));
sprintf(str_val, "%s %s", str_val, str_mbut_val);
mbuts = true;
}
#endif
/* create block, draw buttons */
{
wmWindow *win = CTX_wm_window(C);
uiStyle *style = UI_GetStyleDraw();
rctf brct_cpy; /* window relative copy of but->rect */
const float step_y = UI_VLADDER_STEP_HEIGHT;
const float height = (data->totsteps + U.pixelsize) * (step_y + 1);
float width, strwidth;
short i, block_ofs_x;
strwidth = BLF_width(style->widget.uifont_id, mbuts ? str_val : str_val_s, sizeof(str_val_s));
width = max_ff(strwidth + UI_VLADDER_MARGIN, UI_VLADDER_MIN_WIDTH + UI_VLADDER_MARGIN);
ui_block_to_window_rctf(hbdata->region, bblock, &brct_cpy, &but->rect);
block_ofs_x = brct_cpy.xmax + width + 2 * UI_UNIT_X > win->sizex ? /* without increasing with UI_UNIT_X the ladder would change position quite often while dragging */
data->block_ofs_x - BLI_rctf_size_x(&data->but->rect) - width :
data->block_ofs_x;
block = uiBeginBlock(C, ar, "_popup", UI_EMBOSSP);
uiBlockLayout(block, UI_LAYOUT_VERTICAL, UI_LAYOUT_MENU, block_ofs_x, 0.5f * height, width, 0, 0, style);
uiBlockSetFlag(block, UI_BLOCK_LOOP | UI_BLOCK_REDRAW | UI_BLOCK_VLADDER);
/* draw buttons */
uiDefBut(block, PULLDOWN, 0, is_but_unit ? str_val : str_val_s, 0, 0, width, UI_UNIT_Y, NULL,
0.0, 0.0, 0.0, 0.0, "");
for (i = 0; i < 2; i++)
uiDefBut(block, SEPRLINE, 0, "", 0, 0, width, U.pixelsize, NULL, 0.0, 0.0, 0, 0, "");
for (i = 0; i < data->totsteps; i++) {
if (i == data->step_active) {
uiDefBut(block, PULLDOWN, 0, data->str_step[i], 0, 0, width, 0.5f * step_y, NULL,
0.0, 0.0, 0.0, 0.0, "");
uiDefBut(block, PULLDOWN, 0, str_val, 0, 0, width, 0.5f * step_y, NULL, 0.0, 0.0, 0.0, 0.0, "");
}
else
uiDefBut(block, LABEL, 0, data->str_step[i], 0, 0, width, step_y, NULL, 0.0, 0.0, 0.0, 0.0, "");
if (i + 1 < data->totsteps)
uiDefBut(block, SEPRLINE, 0, "", 0, 0, width, U.pixelsize, NULL, 0.0, 0.0, 0, 0, "");
}
uiPopupBoundsBlock(block, 0, 0, 0);
}
for (bt = block->buttons.first; bt; bt = bt->next)
bt->drawflag &= ~UI_BUT_TEXT_LEFT;
data->ar = ar;
data->block = block;
return block;
}
static uiVLadderData *ui_vladder_init(bContext *C, uiBut *but)
{
wmWindow *win = CTX_wm_window(C);
uiVLadderData *data = MEM_callocN(sizeof(uiVLadderData), "uiVLadderData");
uiHandleButtonData *hbdata = but->active;
float softmin = but->softmin, softmax = but->softmax, step = 1000;
int mx = win->eventstate->x, my = win->eventstate->y;
data->but = but;
data->step_active = -1;
ui_window_to_block(hbdata->region, but->block, &mx, &my);
data->block_ofs_x = but->rect.xmax - mx;
ui_numedit_begin(but, hbdata);
#ifdef USE_DRAG_MULTINUM
if (hbdata->multi_data.init == BUTTON_MULTI_INIT_SETUP) {
/* --> (BUTTON_MULTI_INIT_ENABLE) */
ui_multibut_states_create(but, hbdata);
hbdata->multi_data.init = BUTTON_MULTI_INIT_ENABLE;
}
#endif
for (step = 1000; step >= 0.0001f; step *= 0.1f) {
if (step > softmax || softmax - step < softmin || softmin + step > softmax)
continue;
if (step >= 1) {
sprintf(data->str_step[data->totsteps], "%i", (int)step);
data->val_step[data->totsteps] = (int)step;
}
else if (ui_is_but_float(but)) {
const char *val_str = NULL;
int max_char = ui_but_float_precision(but, hbdata->value) + 1;
/* we could make this more fancy, but should be good enough*/
if (fabs(step - 0.1f) <= FLT_EPSILON)
val_str = ".1";
else if (fabs(step - 0.01f) <= FLT_EPSILON)
val_str = ".01";
else if (fabs(step - 0.001f) <= FLT_EPSILON)
val_str = ".001";
else if (fabs(step - 0.0001f) <= FLT_EPSILON)
val_str = ".0001";
if (strlen(val_str) <= max_char) {
BLI_strncpy(data->str_step[data->totsteps], val_str, sizeof(data->str_step[0]));
data->val_step[data->totsteps] = step;
}
else
break;
}
else
break;
data->totsteps++;
}
return data;
}
void ui_vladder_create(bContext *C, uiBut *but)
{
uiVLadderData *data;
if (but->flag & UI_BUT_INACTIVE)
return;
/* initialize, draw and handle value ladder */
data = ui_vladder_init(C, but);
uiPupBlock(C, ui_vladder_draw, data);
WM_event_add_ui_handler(C, &but->active->window->modalhandlers, ui_vladder_handle, NULL, data, false);
}
/***************************** Menu Button ***************************/ /***************************** Menu Button ***************************/
#if 0 #if 0
Context not available.