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UI demo with styling #105

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MartinFouilleul merged 2 commits from ilidemi/orca:ui-demo into main 2023-09-16 15:06:23 +00:00
Conversation 2 Commits 2 Files Changed 10 +1637 -1022
6 changed files with 1637 additions and 1022 deletions
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174
samples/ui/src/main.c
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@ -89,7 +89,7 @@ void log_pushf(const char* format, ...)
void column_begin(const char* header, f32 widthFraction) void column_begin(const char* header, f32 widthFraction)
{ {
oc_ui_style_next(&(oc_ui_style){ .size.width = { OC_UI_SIZE_PARENT, widthFraction }, oc_ui_style_next(&(oc_ui_style){ .size.width = { OC_UI_SIZE_PARENT, widthFraction, 1 },
.size.height = { OC_UI_SIZE_PARENT, 1 }, .size.height = { OC_UI_SIZE_PARENT, 1 },
.layout.axis = OC_UI_AXIS_Y, .layout.axis = OC_UI_AXIS_Y,
.layout.margin.y = 8, .layout.margin.y = 8,
@ -120,7 +120,7 @@ void column_begin(const char* header, f32 widthFraction)
} }
oc_ui_style_next(&(oc_ui_style){ .size.width = { OC_UI_SIZE_PARENT, 1 }, oc_ui_style_next(&(oc_ui_style){ .size.width = { OC_UI_SIZE_PARENT, 1 },
.size.height = { OC_UI_SIZE_PARENT, 0.8 }, .size.height = { OC_UI_SIZE_PARENT, 1, 1 },
.layout.align.x = OC_UI_ALIGN_START, .layout.align.x = OC_UI_ALIGN_START,
.layout.margin.x = 16, .layout.margin.x = 16,
.layout.spacing = 24 }, .layout.spacing = 24 },
@ -158,8 +158,18 @@ void labeled_slider(const char* label, f32* value)
} }
} }
ORCA_EXPORT void oc_on_resize(u32 width, u32 height)
{
frameSize.x = width;
frameSize.y = height;
}
void reset_next_radio_group_to_dark_theme(oc_arena* arena);
ORCA_EXPORT void oc_on_frame_refresh(void) ORCA_EXPORT void oc_on_frame_refresh(void)
{ {
oc_arena_scope scratch = oc_scratch_begin();
switch(command) switch(command)
{ {
case CMD_SET_DARK_THEME: case CMD_SET_DARK_THEME:
@ -173,7 +183,6 @@ ORCA_EXPORT void oc_on_frame_refresh(void)
} }
command = CMD_NONE; command = CMD_NONE;
oc_arena_scope scratch = oc_scratch_begin();
oc_ui_style defaultStyle = { .font = fontRegular }; oc_ui_style defaultStyle = { .font = fontRegular };
oc_ui_style_mask defaultMask = OC_UI_STYLE_FONT; oc_ui_style_mask defaultMask = OC_UI_STYLE_FONT;
oc_ui_frame(frameSize, &defaultStyle, defaultMask) oc_ui_frame(frameSize, &defaultStyle, defaultMask)
@ -204,8 +213,10 @@ ORCA_EXPORT void oc_on_frame_refresh(void)
} }
} }
oc_ui_panel("main panel", OC_UI_FLAG_NONE)
{
oc_ui_style_next(&(oc_ui_style){ .size.width = { OC_UI_SIZE_PARENT, 1 }, oc_ui_style_next(&(oc_ui_style){ .size.width = { OC_UI_SIZE_PARENT, 1 },
.size.height = { OC_UI_SIZE_PARENT_MINUS_PIXELS, 28 }, .size.height = { OC_UI_SIZE_PARENT, 1, 1 },
.layout.axis = OC_UI_AXIS_X, .layout.axis = OC_UI_AXIS_X,
.layout.margin.x = 16, .layout.margin.x = 16,
.layout.margin.y = 16, .layout.margin.y = 16,
@ -214,6 +225,7 @@ ORCA_EXPORT void oc_on_frame_refresh(void)
| OC_UI_STYLE_LAYOUT_AXIS | OC_UI_STYLE_LAYOUT_AXIS
| OC_UI_STYLE_LAYOUT_MARGINS | OC_UI_STYLE_LAYOUT_MARGINS
| OC_UI_STYLE_LAYOUT_SPACING); | OC_UI_STYLE_LAYOUT_SPACING);
oc_ui_container("background", OC_UI_FLAG_DRAW_BACKGROUND) oc_ui_container("background", OC_UI_FLAG_DRAW_BACKGROUND)
{ {
column("Widgets", 1.0 / 3) column("Widgets", 1.0 / 3)
@ -379,24 +391,27 @@ ORCA_EXPORT void oc_on_frame_refresh(void)
// Scrollable panel // Scrollable panel
//------------------------------------------------------------------------------------- //-------------------------------------------------------------------------------------
oc_ui_style_next(&(oc_ui_style){ .size.width = { OC_UI_SIZE_PARENT, 1 }, oc_ui_style_next(&(oc_ui_style){ .size.width = { OC_UI_SIZE_PARENT, 1 },
.size.height = { OC_UI_SIZE_PIXELS, 430 }, .size.height = { OC_UI_SIZE_PARENT, 1, 1, .minSize = 200 },
.layout.margin.x = 16,
.layout.margin.y = 16,
.layout.spacing = 8,
.bgColor = ui.theme->bg2, .bgColor = ui.theme->bg2,
.borderColor = ui.theme->border, .borderColor = ui.theme->border,
.borderSize = 1, .borderSize = 1,
.roundness = ui.theme->roundnessSmall }, .roundness = ui.theme->roundnessSmall },
OC_UI_STYLE_SIZE OC_UI_STYLE_SIZE
| OC_UI_STYLE_LAYOUT_MARGINS
| OC_UI_STYLE_LAYOUT_SPACING
| OC_UI_STYLE_BG_COLOR | OC_UI_STYLE_BG_COLOR
| OC_UI_STYLE_BORDER_COLOR | OC_UI_STYLE_BORDER_COLOR
| OC_UI_STYLE_BORDER_SIZE | OC_UI_STYLE_BORDER_SIZE
| OC_UI_STYLE_ROUNDNESS); | OC_UI_STYLE_ROUNDNESS);
oc_ui_panel("log", OC_UI_FLAG_DRAW_BACKGROUND | OC_UI_FLAG_DRAW_BORDER) oc_ui_panel("log", OC_UI_FLAG_DRAW_BACKGROUND | OC_UI_FLAG_DRAW_BORDER)
{ {
if(oc_list_empty(&logLines.list)) oc_ui_style_next(&(oc_ui_style){ .layout.margin.x = 16,
.layout.margin.y = 16 },
OC_UI_STYLE_LAYOUT_MARGINS
| OC_UI_STYLE_LAYOUT_SPACING);
oc_ui_container("contents", OC_UI_FLAG_NONE)
{
if(oc_list_empty(logLines.list))
{ {
oc_ui_style_next(&(oc_ui_style){ .color = ui.theme->text2 }, oc_ui_style_next(&(oc_ui_style){ .color = ui.theme->text2 },
OC_UI_STYLE_COLOR); OC_UI_STYLE_COLOR);
@ -404,7 +419,7 @@ ORCA_EXPORT void oc_on_frame_refresh(void)
} }
i32 i = 0; i32 i = 0;
oc_list_for(&logLines.list, logLine, oc_str8_elt, listElt) oc_list_for(logLines.list, logLine, oc_str8_elt, listElt)
{ {
char id[15]; char id[15];
snprintf(id, sizeof(id), "%d", i); snprintf(id, sizeof(id), "%d", i);
@ -416,6 +431,7 @@ ORCA_EXPORT void oc_on_frame_refresh(void)
} }
} }
} }
}
//----------------------------------------------------------------------------------------- //-----------------------------------------------------------------------------------------
// Styling // Styling
@ -431,28 +447,16 @@ ORCA_EXPORT void oc_on_frame_refresh(void)
static f32 unselectedWidth = 16; static f32 unselectedWidth = 16;
static f32 unselectedHeight = 16; static f32 unselectedHeight = 16;
static f32 unselectedRoundness = 8; static f32 unselectedRoundness = 8;
static f32 unselectedBgR = 0.086; static oc_color unselectedBgColor = { 0.086, 0.086, 0.102, 1 };
static f32 unselectedBgG = 0.086; static oc_color unselectedBorderColor = { 0.976, 0.976, 0.976, 0.35 };
static f32 unselectedBgB = 0.102;
static f32 unselectedBgA = 1;
static f32 unselectedBorderR = 0.976;
static f32 unselectedBorderG = 0.976;
static f32 unselectedBorderB = 0.976;
static f32 unselectedBorderA = 0.35;
static f32 unselectedBorderSize = 1; static f32 unselectedBorderSize = 1;
static oc_ui_status unselectedWhenStatus = OC_UI_NONE; static oc_ui_status unselectedWhenStatus = OC_UI_NONE;
static f32 selectedWidth = 16; static f32 selectedWidth = 16;
static f32 selectedHeight = 16; static f32 selectedHeight = 16;
static f32 selectedRoundness = 8; static f32 selectedRoundness = 8;
static f32 selectedR = 1; static oc_color selectedCenterColor = { 1, 1, 1, 1 };
static f32 selectedG = 1; static oc_color selectedBgColor = { 0.33, 0.66, 1, 1 };
static f32 selectedB = 1;
static f32 selectedA = 1;
static f32 selectedBgR = 0.33;
static f32 selectedBgG = 0.66;
static f32 selectedBgB = 1;
static f32 selectedBgA = 1;
static oc_ui_status selectedWhenStatus = OC_UI_NONE; static oc_ui_status selectedWhenStatus = OC_UI_NONE;
static oc_color labelFontColor = { 0.976, 0.976, 0.976, 1 }; static oc_color labelFontColor = { 0.976, 0.976, 0.976, 1 };
@ -471,21 +475,26 @@ ORCA_EXPORT void oc_on_frame_refresh(void)
| OC_UI_STYLE_ROUNDNESS); | OC_UI_STYLE_ROUNDNESS);
oc_ui_container("styled_radios", OC_UI_FLAG_DRAW_BACKGROUND | OC_UI_FLAG_DRAW_BORDER) oc_ui_container("styled_radios", OC_UI_FLAG_DRAW_BACKGROUND | OC_UI_FLAG_DRAW_BORDER)
{ {
reset_next_radio_group_to_dark_theme(scratch.arena);
oc_ui_pattern unselectedPattern = { 0 }; oc_ui_pattern unselectedPattern = { 0 };
oc_ui_pattern_push(scratch.arena, oc_ui_pattern_push(scratch.arena,
&unselectedPattern, &unselectedPattern,
(oc_ui_selector){ .kind = OC_UI_SEL_TAG, (oc_ui_selector){ .kind = OC_UI_SEL_TAG,
.tag = oc_ui_tag_make("radio") }); .tag = oc_ui_tag_make("radio") });
if(unselectedWhenStatus != OC_UI_NONE)
{
oc_ui_pattern_push(scratch.arena, oc_ui_pattern_push(scratch.arena,
&unselectedPattern, &unselectedPattern,
(oc_ui_selector){ .op = OC_UI_SEL_AND, (oc_ui_selector){ .op = OC_UI_SEL_AND,
.kind = OC_UI_SEL_STATUS, .kind = OC_UI_SEL_STATUS,
.status = unselectedWhenStatus }); .status = unselectedWhenStatus });
}
oc_ui_style_match_after(unselectedPattern, oc_ui_style_match_after(unselectedPattern,
&(oc_ui_style){ .size.width = { OC_UI_SIZE_PIXELS, unselectedWidth }, &(oc_ui_style){ .size.width = { OC_UI_SIZE_PIXELS, unselectedWidth },
.size.height = { OC_UI_SIZE_PIXELS, unselectedHeight }, .size.height = { OC_UI_SIZE_PIXELS, unselectedHeight },
.bgColor = { unselectedBgR, unselectedBgG, unselectedBgB, unselectedBgA }, .bgColor = unselectedBgColor,
.borderColor = { unselectedBorderR, unselectedBorderG, unselectedBorderB, unselectedBorderA }, .borderColor = unselectedBorderColor,
.borderSize = unselectedBorderSize, .borderSize = unselectedBorderSize,
.roundness = unselectedRoundness }, .roundness = unselectedRoundness },
OC_UI_STYLE_SIZE OC_UI_STYLE_SIZE
@ -499,16 +508,19 @@ ORCA_EXPORT void oc_on_frame_refresh(void)
&selectedPattern, &selectedPattern,
(oc_ui_selector){ .kind = OC_UI_SEL_TAG, (oc_ui_selector){ .kind = OC_UI_SEL_TAG,
.tag = oc_ui_tag_make("radio_selected") }); .tag = oc_ui_tag_make("radio_selected") });
if(selectedWhenStatus != OC_UI_NONE)
{
oc_ui_pattern_push(scratch.arena, oc_ui_pattern_push(scratch.arena,
&selectedPattern, &selectedPattern,
(oc_ui_selector){ .op = OC_UI_SEL_AND, (oc_ui_selector){ .op = OC_UI_SEL_AND,
.kind = OC_UI_SEL_STATUS, .kind = OC_UI_SEL_STATUS,
.status = selectedWhenStatus }); .status = selectedWhenStatus });
}
oc_ui_style_match_after(selectedPattern, oc_ui_style_match_after(selectedPattern,
&(oc_ui_style){ .size.width = { OC_UI_SIZE_PIXELS, selectedWidth }, &(oc_ui_style){ .size.width = { OC_UI_SIZE_PIXELS, selectedWidth },
.size.height = { OC_UI_SIZE_PIXELS, selectedHeight }, .size.height = { OC_UI_SIZE_PIXELS, selectedHeight },
.color = { selectedR, selectedG, selectedB, selectedA }, .color = selectedCenterColor,
.bgColor = { selectedBgR, selectedBgG, selectedBgB, selectedBgA }, .bgColor = selectedBgColor,
.roundness = selectedRoundness }, .roundness = selectedRoundness },
OC_UI_STYLE_SIZE OC_UI_STYLE_SIZE
| OC_UI_STYLE_COLOR | OC_UI_STYLE_COLOR
@ -574,20 +586,20 @@ ORCA_EXPORT void oc_on_frame_refresh(void)
OC_UI_STYLE_LAYOUT_SPACING); OC_UI_STYLE_LAYOUT_SPACING);
oc_ui_container("background", OC_UI_FLAG_NONE) oc_ui_container("background", OC_UI_FLAG_NONE)
{ {
labeled_slider("Background R", &unselectedBgR); labeled_slider("Background R", &unselectedBgColor.r);
labeled_slider("Background G", &unselectedBgG); labeled_slider("Background G", &unselectedBgColor.g);
labeled_slider("Background B", &unselectedBgB); labeled_slider("Background B", &unselectedBgColor.b);
labeled_slider("Background A", &unselectedBgA); labeled_slider("Background A", &unselectedBgColor.a);
} }
oc_ui_style_next(&(oc_ui_style){ .layout.spacing = 4 }, oc_ui_style_next(&(oc_ui_style){ .layout.spacing = 4 },
OC_UI_STYLE_LAYOUT_SPACING); OC_UI_STYLE_LAYOUT_SPACING);
oc_ui_container("border", OC_UI_FLAG_NONE) oc_ui_container("border", OC_UI_FLAG_NONE)
{ {
labeled_slider("Border R", &unselectedBorderR); labeled_slider("Border R", &unselectedBorderColor.r);
labeled_slider("Border G", &unselectedBorderG); labeled_slider("Border G", &unselectedBorderColor.g);
labeled_slider("Border B", &unselectedBorderB); labeled_slider("Border B", &unselectedBorderColor.b);
labeled_slider("Border A", &unselectedBorderA); labeled_slider("Border A", &unselectedBorderColor.a);
} }
f32 borderSizeSlider = unselectedBorderSize / 5; f32 borderSizeSlider = unselectedBorderSize / 5;
@ -603,7 +615,7 @@ ORCA_EXPORT void oc_on_frame_refresh(void)
static int statusIndex = 0; static int statusIndex = 0;
oc_str8 statusOptions[] = { OC_STR8("Always"), oc_str8 statusOptions[] = { OC_STR8("Always"),
OC_STR8("When hovering"), OC_STR8("When hovering"),
OC_STR8("When dragging") }; OC_STR8("When active") };
oc_ui_radio_group_info statusInfo = { .selectedIndex = statusIndex, oc_ui_radio_group_info statusInfo = { .selectedIndex = statusIndex,
.optionCount = oc_array_size(statusOptions), .optionCount = oc_array_size(statusOptions),
.options = statusOptions }; .options = statusOptions };
@ -618,7 +630,7 @@ ORCA_EXPORT void oc_on_frame_refresh(void)
unselectedWhenStatus = OC_UI_HOVER; unselectedWhenStatus = OC_UI_HOVER;
break; break;
case 2: case 2:
unselectedWhenStatus = OC_UI_DRAGGING; unselectedWhenStatus = OC_UI_ACTIVE;
break; break;
default: default:
break; break;
@ -657,20 +669,20 @@ ORCA_EXPORT void oc_on_frame_refresh(void)
OC_UI_STYLE_LAYOUT_SPACING); OC_UI_STYLE_LAYOUT_SPACING);
oc_ui_container("color", OC_UI_FLAG_NONE) oc_ui_container("color", OC_UI_FLAG_NONE)
{ {
labeled_slider("Center R", &selectedR); labeled_slider("Center R", &selectedCenterColor.r);
labeled_slider("Center G", &selectedG); labeled_slider("Center G", &selectedCenterColor.g);
labeled_slider("Center B", &selectedB); labeled_slider("Center B", &selectedCenterColor.b);
labeled_slider("Center A", &selectedA); labeled_slider("Center A", &selectedCenterColor.a);
} }
oc_ui_style_next(&(oc_ui_style){ .layout.spacing = 4 }, oc_ui_style_next(&(oc_ui_style){ .layout.spacing = 4 },
OC_UI_STYLE_LAYOUT_SPACING); OC_UI_STYLE_LAYOUT_SPACING);
oc_ui_container("background", OC_UI_FLAG_NONE) oc_ui_container("background", OC_UI_FLAG_NONE)
{ {
labeled_slider("Background R", &selectedBgR); labeled_slider("Background R", &selectedBgColor.r);
labeled_slider("Background G", &selectedBgG); labeled_slider("Background G", &selectedBgColor.g);
labeled_slider("Background B", &selectedBgB); labeled_slider("Background B", &selectedBgColor.b);
labeled_slider("Background A", &selectedBgA); labeled_slider("Background A", &selectedBgColor.a);
} }
oc_ui_style_next(&(oc_ui_style){ .layout.spacing = 10 }, oc_ui_style_next(&(oc_ui_style){ .layout.spacing = 10 },
@ -686,7 +698,7 @@ ORCA_EXPORT void oc_on_frame_refresh(void)
static int statusIndex = 0; static int statusIndex = 0;
oc_str8 statusOptions[] = { OC_STR8("Always"), oc_str8 statusOptions[] = { OC_STR8("Always"),
OC_STR8("When hovering"), OC_STR8("When hovering"),
OC_STR8("When dragging") }; OC_STR8("When active") };
oc_ui_radio_group_info statusInfo = { .selectedIndex = statusIndex, oc_ui_radio_group_info statusInfo = { .selectedIndex = statusIndex,
.optionCount = oc_array_size(statusOptions), .optionCount = oc_array_size(statusOptions),
.options = statusOptions }; .options = statusOptions };
@ -701,7 +713,7 @@ ORCA_EXPORT void oc_on_frame_refresh(void)
selectedWhenStatus = OC_UI_HOVER; selectedWhenStatus = OC_UI_HOVER;
break; break;
case 2: case 2:
selectedWhenStatus = OC_UI_DRAGGING; selectedWhenStatus = OC_UI_ACTIVE;
break; break;
default: default:
break; break;
@ -787,12 +799,70 @@ ORCA_EXPORT void oc_on_frame_refresh(void)
} }
} }
} }
}
oc_canvas_select(canvas); oc_canvas_select(canvas);
oc_surface_select(surface); oc_surface_select(surface);
oc_set_color(ui.theme->bg0);
oc_clear();
oc_ui_draw(); oc_ui_draw();
oc_render(canvas); oc_render(canvas);
oc_surface_present(surface); oc_surface_present(surface);
oc_scratch_end(scratch); oc_scratch_end(scratch);
} }
// This makes sure the light theme doesn't break the styling overrides
// You won't need it in a real program as long as your colors come from ui.theme or ui.theme->palette
void reset_next_radio_group_to_dark_theme(oc_arena* arena)
{
oc_ui_tag defaultTag = oc_ui_tag_make("radio");
oc_ui_pattern defaultPattern = { 0 };
oc_ui_pattern_push(arena, &defaultPattern, (oc_ui_selector){ .kind = OC_UI_SEL_TAG, .tag = defaultTag });
oc_ui_style defaultStyle = { .borderColor = OC_UI_DARK_THEME.text3,
.borderSize = 1 };
oc_ui_style_mask defaultMask = OC_UI_STYLE_BORDER_COLOR
| OC_UI_STYLE_BORDER_SIZE;
oc_ui_style_match_after(defaultPattern, &defaultStyle, defaultMask);
oc_ui_pattern hoverPattern = { 0 };
oc_ui_pattern_push(arena, &hoverPattern, (oc_ui_selector){ .kind = OC_UI_SEL_TAG, .tag = defaultTag });
oc_ui_pattern_push(arena, &hoverPattern, (oc_ui_selector){ .op = OC_UI_SEL_AND, .kind = OC_UI_SEL_STATUS, .status = OC_UI_HOVER });
oc_ui_style hoverStyle = { .bgColor = OC_UI_DARK_THEME.fill0,
.borderColor = OC_UI_DARK_THEME.primary };
oc_ui_style_mask hoverMask = OC_UI_STYLE_BG_COLOR
| OC_UI_STYLE_BORDER_COLOR;
oc_ui_style_match_after(hoverPattern, &hoverStyle, hoverMask);
oc_ui_pattern activePattern = { 0 };
oc_ui_pattern_push(arena, &activePattern, (oc_ui_selector){ .kind = OC_UI_SEL_TAG, .tag = defaultTag });
oc_ui_pattern_push(arena, &activePattern, (oc_ui_selector){ .op = OC_UI_SEL_AND, .kind = OC_UI_SEL_STATUS, .status = OC_UI_ACTIVE });
oc_ui_style activeStyle = { .bgColor = OC_UI_DARK_THEME.fill1,
.borderColor = OC_UI_DARK_THEME.primary };
oc_ui_style_mask activeMask = OC_UI_STYLE_BG_COLOR
| OC_UI_STYLE_BORDER_COLOR;
oc_ui_style_match_after(activePattern, &activeStyle, activeMask);
oc_ui_tag selectedTag = oc_ui_tag_make("radio_selected");
oc_ui_pattern selectedPattern = { 0 };
oc_ui_pattern_push(arena, &selectedPattern, (oc_ui_selector){ .kind = OC_UI_SEL_TAG, .tag = selectedTag });
oc_ui_style selectedStyle = { .color = OC_UI_DARK_THEME.palette->white,
.bgColor = OC_UI_DARK_THEME.primary };
oc_ui_style_mask selectedMask = OC_UI_STYLE_COLOR
| OC_UI_STYLE_BG_COLOR;
oc_ui_style_match_after(selectedPattern, &selectedStyle, selectedMask);
oc_ui_pattern selectedHoverPattern = { 0 };
oc_ui_pattern_push(arena, &selectedHoverPattern, (oc_ui_selector){ .kind = OC_UI_SEL_TAG, .tag = selectedTag });
oc_ui_pattern_push(arena, &selectedHoverPattern, (oc_ui_selector){ .op = OC_UI_SEL_AND, .kind = OC_UI_SEL_STATUS, .status = OC_UI_HOVER });
oc_ui_style selectedHoverStyle = { .bgColor = OC_UI_DARK_THEME.primaryHover };
oc_ui_style_match_after(selectedHoverPattern, &selectedHoverStyle, OC_UI_STYLE_BG_COLOR);
oc_ui_pattern selectedActivePattern = { 0 };
oc_ui_pattern_push(arena, &selectedActivePattern, (oc_ui_selector){ .kind = OC_UI_SEL_TAG, .tag = selectedTag });
oc_ui_pattern_push(arena, &selectedActivePattern, (oc_ui_selector){ .op = OC_UI_SEL_AND, .kind = OC_UI_SEL_STATUS, .status = OC_UI_ACTIVE });
oc_ui_style selectedActiveStyle = { .bgColor = OC_UI_DARK_THEME.primaryActive };
oc_ui_style_match_after(selectedActivePattern, &selectedActiveStyle, OC_UI_STYLE_BG_COLOR);
}

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@ -1021,23 +1021,54 @@ bool oc_ui_layout_downward_dependency(oc_ui_box* child, int axis)
void oc_ui_layout_downward_dependent_size(oc_ui_context* ui, oc_ui_box* box, int axis) void oc_ui_layout_downward_dependent_size(oc_ui_context* ui, oc_ui_box* box, int axis)
{ {
//NOTE: layout children and compute spacing //NOTE: layout children and compute spacing and minimum size
f32 count = 0; i32 count = 0;
f32 minSum = 0;
oc_list_for(box->children, child, oc_ui_box, listElt) oc_list_for(box->children, child, oc_ui_box, listElt)
{ {
if(!oc_ui_box_hidden(child)) if(!oc_ui_box_hidden(child))
{ {
oc_ui_layout_downward_dependent_size(ui, child, axis); oc_ui_layout_downward_dependent_size(ui, child, axis);
if(box->style.layout.axis == axis if(!child->style.floating.c[axis])
&& !child->style.floating.c[axis]) {
if(box->style.layout.axis == axis)
{ {
count++; count++;
minSum += child->minSize[axis];
}
else
{
minSum = oc_max(minSum, child->minSize[axis]);
}
} }
} }
} }
box->spacing[axis] = oc_max(0, count - 1) * box->style.layout.spacing; box->spacing[axis] = oc_max(0, count - 1) * box->style.layout.spacing;
switch(box->style.size.c[axis].kind)
{
case OC_UI_SIZE_TEXT:
case OC_UI_SIZE_PIXELS:
box->minSize[axis] = box->rect.c[2 + axis];
break;
case OC_UI_SIZE_CHILDREN:
case OC_UI_SIZE_PARENT:
case OC_UI_SIZE_PARENT_MINUS_PIXELS:
{
int overflowFlag = (OC_UI_FLAG_OVERFLOW_ALLOW_X << axis);
if(!(box->flags & overflowFlag))
{
box->minSize[axis] = minSum + box->spacing[axis] + 2 * box->style.layout.margin.c[axis];
}
}
break;
}
box->minSize[axis] = oc_max(box->minSize[axis], box->style.size.c[axis].minSize);
oc_ui_size* size = &box->style.size.c[axis]; oc_ui_size* size = &box->style.size.c[axis];
if(size->kind == OC_UI_SIZE_CHILDREN) if(size->kind == OC_UI_SIZE_CHILDREN)
{ {
@ -1082,22 +1113,41 @@ void oc_ui_layout_upward_dependent_size(oc_ui_context* ui, oc_ui_box* box, int a
oc_ui_size* size = &child->style.size.c[axis]; oc_ui_size* size = &child->style.size.c[axis];
if(size->kind == OC_UI_SIZE_PARENT) if(size->kind == OC_UI_SIZE_PARENT)
{ {
child->rect.c[2 + axis] = availableSize * size->value; child->rect.c[2 + axis] = oc_max(child->minSize[axis], availableSize * size->value);
} }
else if(size->kind == OC_UI_SIZE_PARENT_MINUS_PIXELS) else if(size->kind == OC_UI_SIZE_PARENT_MINUS_PIXELS)
{ {
child->rect.c[2 + axis] = oc_max(0, availableSize - size->value); child->rect.c[2 + axis] = oc_max(child->minSize[axis], oc_max(0, availableSize - size->value));
} }
} }
//NOTE: solve downard conflicts //NOTE: solve downward conflicts
int overflowFlag = (OC_UI_FLAG_ALLOW_OVERFLOW_X << axis); int overflowFlag = (OC_UI_FLAG_OVERFLOW_ALLOW_X << axis);
f32 sum = 0;
if(!(box->flags & overflowFlag))
{
if(box->style.layout.axis == axis) if(box->style.layout.axis == axis)
{
f32 prevSum = FLT_MAX;
int count = 0;
//NOTE: take into account the _original size_ minus the _original slack_ in minimum size. This way the widget
// never gives up more than wantedSize * relax.
oc_list_for(box->children, child, oc_ui_box, listElt)
{
if(!oc_ui_box_hidden(child)
&& !child->style.floating.c[axis])
{
child->minSize[axis] = oc_max(child->minSize[axis], child->rect.c[2 + axis] * (1 - child->style.size.c[axis].relax));
}
}
//NOTE: Loop while we can remove excess. Each iterations reaffects excess to boxes that still have some slack.
while(1)
{ {
//NOTE: if we're solving in the layout axis, first compute total sum of children and //NOTE: if we're solving in the layout axis, first compute total sum of children and
// total slack available // total slack available
f32 sum = 0;
f32 slack = 0; f32 slack = 0;
oc_list_for(box->children, child, oc_ui_box, listElt) oc_list_for(box->children, child, oc_ui_box, listElt)
@ -1106,53 +1156,166 @@ void oc_ui_layout_upward_dependent_size(oc_ui_context* ui, oc_ui_box* box, int a
&& !child->style.floating.c[axis]) && !child->style.floating.c[axis])
{ {
sum += child->rect.c[2 + axis]; sum += child->rect.c[2 + axis];
slack += child->rect.c[2 + axis] * child->style.size.c[axis].relax; slack += oc_min(child->rect.c[2 + axis] * child->style.size.c[axis].relax,
child->rect.c[2 + axis] - child->minSize[axis]);
} }
} }
if(prevSum - sum < 1)
if(!(box->flags & overflowFlag))
{ {
//NOTE: then remove excess proportionally to each box slack, and recompute children sum. break;
}
count++;
prevSum = sum;
//NOTE: then remove excess proportionally to each box slack
f32 totalContents = sum + box->spacing[axis] + 2 * box->style.layout.margin.c[axis]; f32 totalContents = sum + box->spacing[axis] + 2 * box->style.layout.margin.c[axis];
f32 excess = oc_clamp_low(totalContents - box->rect.c[2 + axis], 0); f32 excess = oc_clamp_low(totalContents - box->rect.c[2 + axis], 0);
f32 alpha = oc_clamp(excess / slack, 0, 1); f32 alpha = oc_clamp(excess / slack, 0, 1);
sum = 0;
oc_list_for(box->children, child, oc_ui_box, listElt) oc_list_for(box->children, child, oc_ui_box, listElt)
{
if(!oc_ui_box_hidden(child) && !child->style.floating.c[axis])
{ {
f32 relax = child->style.size.c[axis].relax; f32 relax = child->style.size.c[axis].relax;
child->rect.c[2 + axis] -= alpha * child->rect.c[2 + axis] * relax; f32 minSize = child->minSize[axis];
sum += child->rect.c[2 + axis]; f32 remove = alpha * oc_clamp(child->rect.c[2 + axis] * relax, 0, child->rect.c[2 + axis] - child->minSize[axis]);
child->rect.c[2 + axis] = oc_max(minSize, child->rect.c[2 + axis] - remove);
}
} }
} }
} }
else else
{ {
//NOTE: if we're solving on the secondary axis, we remove excess to each box individually //NOTE: if we're solving on the secondary axis, we remove excess to each box individually
// according to its own slack. Children sum is the maximum child size. // according to its own slack.
oc_list_for(box->children, child, oc_ui_box, listElt) oc_list_for(box->children, child, oc_ui_box, listElt)
{ {
if(!oc_ui_box_hidden(child) && !child->style.floating.c[axis]) if(!oc_ui_box_hidden(child) && !child->style.floating.c[axis])
{
if(!(box->flags & overflowFlag))
{ {
f32 totalContents = child->rect.c[2 + axis] + 2 * box->style.layout.margin.c[axis]; f32 totalContents = child->rect.c[2 + axis] + 2 * box->style.layout.margin.c[axis];
f32 excess = oc_clamp_low(totalContents - box->rect.c[2 + axis], 0); f32 excess = oc_clamp_low(totalContents - box->rect.c[2 + axis], 0);
f32 relax = child->style.size.c[axis].relax; f32 relax = child->style.size.c[axis].relax;
child->rect.c[2 + axis] -= oc_min(excess, child->rect.c[2 + axis] * relax); f32 minSize = child->minSize[axis];
f32 remove = oc_min(excess, child->rect.c[2 + axis] * relax);
child->rect.c[2 + axis] = oc_max(minSize, child->rect.c[2 + axis] - remove);
} }
}
}
}
f32 sum = 0;
//NOTE: recurse in children and recompute children sum
oc_list_for(box->children, child, oc_ui_box, listElt)
{
oc_ui_layout_upward_dependent_size(ui, child, axis);
if(!oc_ui_box_hidden(child)
&& !child->style.floating.c[axis])
{
if(box->style.layout.axis == axis)
{
sum += child->rect.c[2 + axis];
}
else
{
sum = oc_max(sum, child->rect.c[2 + axis]); sum = oc_max(sum, child->rect.c[2 + axis]);
} }
} }
} }
box->childrenSum[axis] = sum; box->childrenSum[axis] = sum;
//NOTE: recurse in children OC_ASSERT(box->rect.c[2 + axis] >= box->minSize[axis], "parent->string = %.*s, box->string = %.*s, axis = %i, box->size[axis].kind = %i, box->rect.c[2+axis] = %f, box->minSize[axis] = %f",
oc_str8_ip(box->parent->string),
oc_str8_ip(box->string),
axis,
box->style.size.c[axis].kind,
box->rect.c[2 + axis],
box->minSize[axis]);
/*
if(!(box->flags & overflowFlag) && !oc_list_empty(box->children))
{
f32 minSize = sum + 2 * box->style.layout.margin.c[axis] + box->spacing[axis];
box->rect.c[2 + axis] = oc_max(minSize, box->rect.c[2 + axis]);
}
*/
}
void oc_ui_layout_upward_dependent_fixup(oc_ui_context* ui, oc_ui_box* box, int axis)
{
f32 margin = box->style.layout.margin.c[axis];
f32 availableSize = oc_max(0, box->rect.c[2 + axis] - box->spacing[axis] - 2 * margin);
if(axis == box->style.layout.axis)
{
f32 availableToParentSized = availableSize;
f32 relaxSum = 0;
oc_list_for(box->children, child, oc_ui_box, listElt) oc_list_for(box->children, child, oc_ui_box, listElt)
{ {
oc_ui_layout_upward_dependent_size(ui, child, axis); oc_ui_size* size = &child->style.size.c[axis];
if(size->kind == OC_UI_SIZE_PARENT || size->kind == OC_UI_SIZE_PARENT_MINUS_PIXELS)
{
f32 wantedSize = 0;
if(size->kind == OC_UI_SIZE_PARENT)
{
wantedSize = availableSize * size->value;
}
else
{
wantedSize = availableSize - size->value;
}
if(wantedSize > child->rect.c[2 + axis])
{
relaxSum += size->relax;
}
}
availableToParentSized -= child->rect.c[2 + axis];
}
availableToParentSized = oc_max(0, availableToParentSized);
if(availableToParentSized && relaxSum)
{
oc_list_for(box->children, child, oc_ui_box, listElt)
{
oc_ui_size* size = &child->style.size.c[axis];
if(size->kind == OC_UI_SIZE_PARENT || size->kind == OC_UI_SIZE_PARENT_MINUS_PIXELS)
{
f32 wantedSize = 0;
if(size->kind == OC_UI_SIZE_PARENT)
{
wantedSize = availableSize * size->value;
}
else
{
wantedSize = availableSize - size->value;
}
if(wantedSize > child->rect.c[2 + axis])
{
child->rect.c[2 + axis] += availableToParentSized * (size->relax / relaxSum);
}
}
}
}
}
oc_list_for(box->children, child, oc_ui_box, listElt)
{
if(axis != box->style.layout.axis)
{
oc_ui_size* size = &child->style.size.c[axis];
if(size->kind == OC_UI_SIZE_PARENT)
{
child->rect.c[2 + axis] = oc_max(child->rect.c[2 + axis], availableSize * size->value);
}
else if(size->kind == OC_UI_SIZE_PARENT_MINUS_PIXELS)
{
child->rect.c[2 + axis] = oc_max(child->rect.c[2 + axis], oc_max(0, availableSize - size->value));
}
}
oc_ui_layout_upward_dependent_fixup(ui, child, axis);
} }
} }
@ -1233,6 +1396,11 @@ void oc_ui_layout_compute_rect(oc_ui_context* ui, oc_ui_box* box, oc_vec2 pos)
currentPos.c[layoutAxis] += child->rect.c[2 + layoutAxis] + spacing; currentPos.c[layoutAxis] += child->rect.c[2 + layoutAxis] + spacing;
} }
} }
if(isnan(box->rect.w) || isnan(box->rect.h))
{
oc_log_error("error in box %.*s\n", oc_str8_ip(box->string));
OC_ASSERT(0);
}
} }
void oc_ui_layout_find_next_hovered_recursive(oc_ui_context* ui, oc_ui_box* box, oc_vec2 p) void oc_ui_layout_find_next_hovered_recursive(oc_ui_context* ui, oc_ui_box* box, oc_vec2 p)
@ -1285,6 +1453,8 @@ void oc_ui_solve_layout(oc_ui_context* ui)
{ {
oc_ui_layout_downward_dependent_size(ui, ui->root, axis); oc_ui_layout_downward_dependent_size(ui, ui->root, axis);
oc_ui_layout_upward_dependent_size(ui, ui->root, axis); oc_ui_layout_upward_dependent_size(ui, ui->root, axis);
// oc_ui_layout_upward_dependent_fixup(ui, ui->root, axis);
} }
oc_ui_layout_compute_rect(ui, ui->root, (oc_vec2){ 0, 0 }); oc_ui_layout_compute_rect(ui, ui->root, (oc_vec2){ 0, 0 });
@ -1428,6 +1598,15 @@ void oc_ui_draw_box(oc_ui_box* box)
oc_set_color(style->borderColor); oc_set_color(style->borderColor);
oc_ui_rectangle_stroke(box->rect, style->roundness); oc_ui_rectangle_stroke(box->rect, style->roundness);
} }
#if 0
if(box->rect.w && box->rect.h)
{
oc_set_width(1);
oc_set_color_rgba(1, 0, 0, 1);
oc_ui_rectangle_stroke(box->rect, 0);
}
#endif
} }
void oc_ui_draw() void oc_ui_draw()
@ -2121,13 +2300,23 @@ void oc_ui_panel_begin(const char* str, oc_ui_flags flags)
flags = flags flags = flags
| OC_UI_FLAG_CLIP | OC_UI_FLAG_CLIP
| OC_UI_FLAG_BLOCK_MOUSE | OC_UI_FLAG_BLOCK_MOUSE
| OC_UI_FLAG_ALLOW_OVERFLOW_X | OC_UI_FLAG_OVERFLOW_ALLOW_X
| OC_UI_FLAG_ALLOW_OVERFLOW_Y | OC_UI_FLAG_OVERFLOW_ALLOW_Y
| OC_UI_FLAG_SCROLL_WHEEL_X | OC_UI_FLAG_SCROLL_WHEEL_X
| OC_UI_FLAG_SCROLL_WHEEL_Y; | OC_UI_FLAG_SCROLL_WHEEL_Y;
oc_ui_style_next(&(oc_ui_style){ .size.width = { OC_UI_SIZE_PARENT, 1, 1 },
.size.height = { OC_UI_SIZE_PARENT, 1, 1 },
.layout.margin.x = 0,
.layout.margin.y = 0 },
OC_UI_STYLE_SIZE
| OC_UI_STYLE_LAYOUT_MARGINS);
oc_ui_box_begin(str, flags); oc_ui_box_begin(str, flags);
oc_ui_style_next(&(oc_ui_style){ .size.width = { OC_UI_SIZE_PARENT, 1 },
.size.height = { OC_UI_SIZE_PARENT, 1 } },
OC_UI_STYLE_SIZE);
oc_ui_box_begin("contents", 0); oc_ui_box_begin("contents", 0);
} }
@ -2532,7 +2721,7 @@ oc_ui_select_popup_info oc_ui_select_popup(const char* name, oc_ui_select_popup_
OC_UI_FLAG_CLICKABLE OC_UI_FLAG_CLICKABLE
| OC_UI_FLAG_DRAW_BACKGROUND | OC_UI_FLAG_DRAW_BACKGROUND
| OC_UI_FLAG_DRAW_BORDER | OC_UI_FLAG_DRAW_BORDER
| OC_UI_FLAG_ALLOW_OVERFLOW_X | OC_UI_FLAG_OVERFLOW_ALLOW_X
| OC_UI_FLAG_CLIP); | OC_UI_FLAG_CLIP);
f32 maxOptionWidth = 0; f32 maxOptionWidth = 0;

17
src/ui/ui.h
View File

@ -69,7 +69,7 @@ typedef struct oc_ui_layout
typedef enum oc_ui_size_kind typedef enum oc_ui_size_kind
{ {
OC_UI_SIZE_TEXT, OC_UI_SIZE_TEXT = 0,
OC_UI_SIZE_PIXELS, OC_UI_SIZE_PIXELS,
OC_UI_SIZE_CHILDREN, OC_UI_SIZE_CHILDREN,
OC_UI_SIZE_PARENT, OC_UI_SIZE_PARENT,
@ -82,6 +82,7 @@ typedef struct oc_ui_size
oc_ui_size_kind kind; oc_ui_size_kind kind;
f32 value; f32 value;
f32 relax; f32 relax;
f32 minSize;
} oc_ui_size; } oc_ui_size;
typedef union oc_ui_box_size typedef union oc_ui_box_size
@ -479,8 +480,8 @@ typedef enum
OC_UI_FLAG_ACTIVE_ANIMATION = (1 << 5), OC_UI_FLAG_ACTIVE_ANIMATION = (1 << 5),
//WARN: these two following flags need to be kept as consecutive bits to //WARN: these two following flags need to be kept as consecutive bits to
// play well with axis-agnostic functions // play well with axis-agnostic functions
OC_UI_FLAG_ALLOW_OVERFLOW_X = (1 << 6), OC_UI_FLAG_OVERFLOW_ALLOW_X = (1 << 6),
OC_UI_FLAG_ALLOW_OVERFLOW_Y = (1 << 7), OC_UI_FLAG_OVERFLOW_ALLOW_Y = (1 << 7),
OC_UI_FLAG_CLIP = (1 << 8), OC_UI_FLAG_CLIP = (1 << 8),
OC_UI_FLAG_DRAW_BACKGROUND = (1 << 9), OC_UI_FLAG_DRAW_BACKGROUND = (1 << 9),
OC_UI_FLAG_DRAW_FOREGROUND = (1 << 10), OC_UI_FLAG_DRAW_FOREGROUND = (1 << 10),
@ -488,7 +489,7 @@ typedef enum
OC_UI_FLAG_DRAW_TEXT = (1 << 12), OC_UI_FLAG_DRAW_TEXT = (1 << 12),
OC_UI_FLAG_DRAW_PROC = (1 << 13), OC_UI_FLAG_DRAW_PROC = (1 << 13),
OC_UI_FLAG_OVERLAY = (1 << 14), OC_UI_FLAG_OVERLAY = (1 << 16),
} oc_ui_flags; } oc_ui_flags;
struct oc_ui_box struct oc_ui_box
@ -525,6 +526,7 @@ struct oc_ui_box
oc_vec2 floatPos; oc_vec2 floatPos;
f32 childrenSum[2]; f32 childrenSum[2];
f32 spacing[2]; f32 spacing[2];
f32 minSize[2];
oc_rect rect; oc_rect rect;
// signals // signals
@ -656,12 +658,8 @@ ORCA_API void oc_ui_set_theme(oc_ui_theme* theme);
ORCA_API oc_ui_key oc_ui_key_make_str8(oc_str8 string); ORCA_API oc_ui_key oc_ui_key_make_str8(oc_str8 string);
ORCA_API oc_ui_key oc_ui_key_make_path(oc_str8_list path); ORCA_API oc_ui_key oc_ui_key_make_path(oc_str8_list path);
ORCA_API oc_ui_box* oc_ui_box_lookup_key(oc_ui_key key);
ORCA_API oc_ui_box* oc_ui_box_lookup_str8(oc_str8 string);
// C-string helper // C-string helper
#define oc_ui_key_make(s) oc_ui_key_make_str8(OC_STR8(s)) #define oc_ui_key_make(s) oc_ui_key_make_str8(OC_STR8(s))
#define oc_ui_box_lookup(s) oc_ui_box_lookup_str8(OC_STR8(s))
//------------------------------------------------------------------------------------- //-------------------------------------------------------------------------------------
// Box hierarchy building // Box hierarchy building
@ -677,6 +675,9 @@ ORCA_API void oc_ui_box_push(oc_ui_box* box);
ORCA_API void oc_ui_box_pop(void); ORCA_API void oc_ui_box_pop(void);
ORCA_API oc_ui_box* oc_ui_box_top(void); ORCA_API oc_ui_box* oc_ui_box_top(void);
ORCA_API oc_ui_box* oc_ui_box_lookup_key(oc_ui_key key);
ORCA_API oc_ui_box* oc_ui_box_lookup_str8(oc_str8 string);
ORCA_API void oc_ui_box_set_draw_proc(oc_ui_box* box, oc_ui_box_draw_proc proc, void* data); ORCA_API void oc_ui_box_set_draw_proc(oc_ui_box* box, oc_ui_box_draw_proc proc, void* data);
// C-string helpers // C-string helpers