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/*
* 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) 2019 Blender Foundation.
* All rights reserved.
*/
/** \file
* \ingroup edanimation
*/
#include "BKE_context.h"
#include "BKE_scene.h"
#include "GPU_immediate.h"
#include "GPU_matrix.h"
#include "GPU_state.h"
#include "ED_time_scrub_ui.h"
#include "WM_api.h"
#include "WM_types.h"
#include "UI_interface.h"
#include "UI_interface_icons.h"
#include "UI_resources.h"
#include "UI_view2d.h"
#include "DNA_scene_types.h"
#include "BLI_math.h"
#include "BLI_rect.h"
#include "BLI_string.h"
#include "BLI_timecode.h"
#include "RNA_access.h"
static void get_time_scrub_region_rect(const ARegion *region, rcti *rect)
{
rect->xmin = 0;
rect->xmax = region->winx;
rect->ymax = region->winy;
rect->ymin = rect->ymax - UI_TIME_SCRUB_MARGIN_Y;
}
static int get_centered_text_y(const rcti *rect)
{
return BLI_rcti_cent_y(rect) - UI_DPI_FAC * 4;
}
static void draw_background(const rcti *rect)
{
uint pos = GPU_vertformat_attr_add(immVertexFormat(), "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
immUniformThemeColor(TH_TIME_SCRUB_BACKGROUND);
GPU_blend(GPU_BLEND_ALPHA);
immRectf(pos, rect->xmin, rect->ymin, rect->xmax, rect->ymax);
GPU_blend(GPU_BLEND_NONE);
immUnbindProgram();
}
static void get_current_time_str(
const Scene *scene, bool display_seconds, int frame, uint max_len, char *r_str)
{
if (display_seconds) {
BLI_timecode_string_from_time(r_str, max_len, 0, FRA2TIME(frame), FPS, U.timecode_style);
}
else {
BLI_snprintf(r_str, max_len, "%d", frame);
}
}
static void draw_current_frame(const Scene *scene,
bool display_seconds,
const View2D *v2d,
const rcti *scrub_region_rect,
int current_frame)
{
const uiFontStyle *fstyle = UI_FSTYLE_WIDGET;
int frame_x = UI_view2d_view_to_region_x(v2d, current_frame);
char frame_str[64];
get_current_time_str(scene, display_seconds, current_frame, sizeof(frame_str), frame_str);
float text_width = UI_fontstyle_string_width(fstyle, frame_str);
float box_width = MAX2(text_width + 8 * UI_DPI_FAC, 24 * UI_DPI_FAC);
float box_padding = 3 * UI_DPI_FAC;
const int line_outline = max_ii(1, round_fl_to_int(1 * UI_DPI_FAC));
float bg_color[4];
UI_GetThemeColorShade4fv(TH_CFRAME, -5, bg_color);
/* Draw vertical line from the bottom of the current frame box to the bottom of the screen. */
const float subframe_x = UI_view2d_view_to_region_x(v2d, BKE_scene_ctime_get(scene));
GPUVertFormat *format = immVertexFormat();
uint pos = GPU_vertformat_attr_add(format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
GPU_blend(GPU_BLEND_ALPHA);
immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
/* Outline. */
immUniformThemeColorShadeAlpha(TH_BACK, -25, -100);
immRectf(pos,
subframe_x - (line_outline + U.pixelsize),
scrub_region_rect->ymax - box_padding,
subframe_x + (line_outline + U.pixelsize),
0.0f);
/* Line. */
immUniformThemeColor(TH_CFRAME);
immRectf(pos,
subframe_x - U.pixelsize,
scrub_region_rect->ymax - box_padding,
subframe_x + U.pixelsize,
0.0f);
immUnbindProgram();
GPU_blend(GPU_BLEND_NONE);
UI_draw_roundbox_corner_set(UI_CNR_ALL);
float outline_color[4];
UI_GetThemeColorShade4fv(TH_CFRAME, 5, outline_color);
UI_draw_roundbox_4fv_ex(
&(const rctf){
.xmin = frame_x - box_width / 2 + U.pixelsize / 2,
.xmax = frame_x + box_width / 2 + U.pixelsize / 2,
.ymin = scrub_region_rect->ymin + box_padding,
.ymax = scrub_region_rect->ymax - box_padding,
},
bg_color,
NULL,
1.0f,
outline_color,
U.pixelsize,
4 * UI_DPI_FAC);
uchar text_color[4];
UI_GetThemeColor4ubv(TH_HEADER_TEXT_HI, text_color);
UI_fontstyle_draw_simple(fstyle,
frame_x - text_width / 2 + U.pixelsize / 2,
get_centered_text_y(scrub_region_rect),
frame_str,
text_color);
}
void ED_time_scrub_draw_current_frame(const ARegion *region,
const Scene *scene,
bool display_seconds)
{
const View2D *v2d = ®ion->v2d;
GPU_matrix_push_projection();
wmOrtho2_region_pixelspace(region);
rcti scrub_region_rect;
get_time_scrub_region_rect(region, &scrub_region_rect);
draw_current_frame(scene, display_seconds, v2d, &scrub_region_rect, scene->r.cfra);
GPU_matrix_pop_projection();
}
void ED_time_scrub_draw(const ARegion *region,
const Scene *scene,
bool display_seconds,
bool discrete_frames)
{
const View2D *v2d = ®ion->v2d;
GPU_matrix_push_projection();
wmOrtho2_region_pixelspace(region);
rcti scrub_region_rect;
get_time_scrub_region_rect(region, &scrub_region_rect);
draw_background(&scrub_region_rect);
rcti numbers_rect = scrub_region_rect;
numbers_rect.ymin = get_centered_text_y(&scrub_region_rect) - 4 * UI_DPI_FAC;
if (discrete_frames) {
UI_view2d_draw_scale_x__discrete_frames_or_seconds(
region, v2d, &numbers_rect, scene, display_seconds, TH_TEXT);
}
else {
UI_view2d_draw_scale_x__frames_or_seconds(
region, v2d, &numbers_rect, scene, display_seconds, TH_TEXT);
}
GPU_matrix_pop_projection();
}
bool ED_time_scrub_event_in_region(const ARegion *region, const wmEvent *event)
{
rcti rect = region->winrct;
rect.ymin = rect.ymax - UI_TIME_SCRUB_MARGIN_Y;
return BLI_rcti_isect_pt(&rect, event->x, event->y);
}
void ED_time_scrub_channel_search_draw(const bContext *C, ARegion *region, bDopeSheet *dopesheet)
{
GPU_matrix_push_projection();
wmOrtho2_region_pixelspace(region);
rcti rect;
rect.xmin = 0;
rect.xmax = region->winx;
rect.ymin = region->winy - UI_TIME_SCRUB_MARGIN_Y;
rect.ymax = region->winy;
uint pos = GPU_vertformat_attr_add(immVertexFormat(), "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
immUniformThemeColor(TH_BACK);
immRectf(pos, rect.xmin, rect.ymin, rect.xmax, rect.ymax);
immUnbindProgram();
PointerRNA ptr;
RNA_pointer_create(&CTX_wm_screen(C)->id, &RNA_DopeSheet, dopesheet, &ptr);
const uiStyle *style = UI_style_get_dpi();
const float padding_x = 2 * UI_DPI_FAC;
const float padding_y = UI_DPI_FAC;
uiBlock *block = UI_block_begin(C, region, __func__, UI_EMBOSS);
uiLayout *layout = UI_block_layout(block,
UI_LAYOUT_VERTICAL,
UI_LAYOUT_HEADER,
rect.xmin + padding_x,
rect.ymin + UI_UNIT_Y + padding_y,
BLI_rcti_size_x(&rect) - 2 * padding_x,
1,
0,
style);
uiLayoutSetScaleY(layout, (UI_UNIT_Y - padding_y) / UI_UNIT_Y);
UI_block_layout_set_current(block, layout);
UI_block_align_begin(block);
uiItemR(layout, &ptr, "filter_text", 0, "", ICON_NONE);
uiItemR(layout, &ptr, "use_filter_invert", 0, "", ICON_ARROW_LEFTRIGHT);
UI_block_align_end(block);
UI_block_layout_resolve(block, NULL, NULL);
/* Make sure the events are consumed from the search and don't reach other UI blocks since this
* is drawn on top of animation-channels. */
UI_block_flag_enable(block, UI_BLOCK_CLIP_EVENTS);
UI_block_bounds_set_normal(block, 0);
UI_block_end(C, block);
UI_block_draw(C, block);
GPU_matrix_pop_projection();
}
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