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Improvements to UI signal

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This commit is contained in:
Edward R. Gonzalez
2024-03-08 18:45:27 -05:00
parent 4b026c379a
commit cb58f4faef
6 changed files with 212 additions and 202 deletions
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165
code/ui.odin
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@ -232,17 +232,18 @@ UI_Box :: struct {
parent : ^UI_Box,
num_children : i32,
flags : UI_BoxFlags,
computed : UI_Computed,
theme : UI_StyleTheme,
style : ^UI_Style,
flags : UI_BoxFlags,
computed : UI_Computed,
prev_style : UI_Style,
style : UI_Style,
// Persistent Data
first_frame : b8,
hot_delta : f32,
active_delta : f32,
style_delta : f32,
first_frame : b8,
hot_delta : f32,
active_delta : f32,
disabled_delta : f32,
style_delta : f32,
// prev_computed : UI_Computed,
// prev_style : UI_Style,v
mouse : UI_InteractState,
@ -286,10 +287,10 @@ UI_State :: struct {
clipboard_copy : UI_Key,
last_clicked : UI_Key,
cursor_active_start : Vec2,
// cursor_resize_start : Vec2,
// drag_state_arena : ^ Arena,
// drag_state data : string,
cursor_active_start : Vec2,
hot_start_style : UI_Style,
active_start_style : UI_Style,
last_pressed_key : [MouseBtn.count] UI_Key,
last_pressed_key_us : [MouseBtn.count] f32,
@ -360,16 +361,7 @@ ui_box_make :: proc( flags : UI_BoxFlags, label : string ) -> (^ UI_Box)
curr_box.first_frame = prev_box == nil
}
// TODO(Ed) : Review this when we learn layouts more...
if prev_box != nil {
layout_dirty &= ! ui_box_equal( curr_box, prev_box )
}
else {
layout_dirty = true
}
curr_box.flags = flags
curr_box.theme = stack_peek( & theme_stack )
curr_box.parent = stack_peek( & parent_stack )
// Clear old links
@ -434,7 +426,6 @@ ui_graph_build_begin :: proc( ui : ^ UI_State, bounds : Vec2 = {} )
}
root = ui_box_make( {}, "root#001" )
root.style = & root.theme.default
ui_parent_push(root)
}
@ -478,134 +469,6 @@ ui_parent :: proc( ui : ^ UI_Box) {
ui_parent_push( ui )
}
ui_signal_from_box :: proc ( box : ^ UI_Box ) -> UI_Signal
{
ui := get_state().ui_context
input := get_state().input
frame_delta := frametime_delta32()
signal := UI_Signal { box = box }
// Cursor Collision
signal.cursor_pos = ui_cursor_pos()
signal.cursor_over = cast(b8) pos_within_range2( signal.cursor_pos, box.computed.bounds )
resize_border_width := cast(f32) get_state().config.ui_resize_border_width
resize_border_non_range := add(box.computed.bounds, range2(
{ resize_border_width, -resize_border_width },
{ -resize_border_width, resize_border_width }))
within_resize_range := cast(b8) ! pos_within_range2( signal.cursor_pos, resize_border_non_range )
within_resize_range &= signal.cursor_over
left_pressed := pressed( input.mouse.left )
left_released := released( input.mouse.left )
mouse_clickable := UI_BoxFlag.Mouse_Clickable in box.flags
keyboard_clickable := UI_BoxFlag.Keyboard_Clickable in box.flags
if mouse_clickable && signal.cursor_over && left_pressed
{
ui.hot = box.key
ui.active = box.key
ui.active_mouse[MouseBtn.Left] = box.key
ui.cursor_active_start = signal.cursor_pos
ui.last_pressed_key = box.key
signal.pressed = true
// TODO(Ed) : Support double-click detection
}
if mouse_clickable && signal.cursor_over && left_released
{
box.active_delta = 0
ui.active = UI_Key(0)
ui.active_mouse[MouseBtn.Left] = UI_Key(0)
signal.released = true
signal.left_clicked = true
ui.last_clicked = box.key
}
if mouse_clickable && ! signal.cursor_over && left_released
{
box.hot_delta = 0
ui.hot = UI_Key(0)
ui.active = UI_Key(0)
ui.active_mouse[MouseBtn.Left] = UI_Key(0)
signal.released = true
signal.left_clicked = false
}
if keyboard_clickable
{
// TODO(Ed) : Add keyboard interaction support
}
// TODO(Ed) : Add scrolling support
if UI_BoxFlag.Scroll_X in box.flags {
}
if UI_BoxFlag.Scroll_Y in box.flags {
}
// TODO(Ed) : Add panning support
if UI_BoxFlag.Pan_X in box.flags {
}
if UI_BoxFlag.Pan_Y in box.flags {
}
is_hot := ui.hot == box.key
is_active := ui.active == box.key
if signal.cursor_over &&
ui.hot == UI_Key(0) || is_hot &&
ui.active == UI_Key(0) || is_active
{
ui.hot = box.key
is_hot = true
}
if ! is_active {
ui.hot_resizable = cast(b32) within_resize_range
}
signal.resizing = cast(b8) is_active && (within_resize_range || ui.active_resizing)
if is_hot {
box.hot_delta += frame_delta
}
if is_active {
box.active_delta += frame_delta
}
ui.active_resizing = cast(b32) is_active && signal.resizing
signal.dragging = cast(b8) is_active && ( ! within_resize_range && ! ui.active_resizing)
style_preset := UI_StylePreset.Default
// box.style = stack_peek( & ui.them_stack ).default
if box.key == ui.hot {
style_preset = UI_StylePreset.Hovered
// box.stye = stack_peek( & ui.theme_stack ).hovered
}
if box.key == ui.active {
style_preset = UI_StylePreset.Focused
// box.stye = stack_peek( & ui.theme_stack ).focused
}
if UI_BoxFlag.Disabled in box.flags {
style_preset = UI_StylePreset.Disabled
// box.style = stack_peek( & ui.theme.stack ).disabled
}
box.style = & box.theme.array[style_preset]
return signal
}
ui_style_ref :: proc( box_state : UI_StylePreset ) -> (^ UI_Style) {
return & stack_peek_ref( & get_state().ui_context.theme_stack ).array[box_state]
}