Files
infinitefusion-e18/Data/Scripts/801_UI controls/Control elements/011_TextBoxDropdownList.rb
2024-05-13 20:32:20 +01:00

214 lines
7.5 KiB
Ruby

#===============================================================================
# Also known as a Combo Box.
# NOTE: This control lets you type in whatever text you want. The dropdown list
# only offers autocomplete-like suggestions, but you don't need to match
# any of them.
#===============================================================================
class UIControls::TextBoxDropdownList < UIControls::TextBox
attr_accessor :max_rows
TEXT_BOX_WIDTH = 200 - TEXT_BOX_HEIGHT
BUTTON_X = TEXT_BOX_X + TEXT_BOX_WIDTH
BUTTON_WIDTH = TEXT_BOX_HEIGHT
BUTTON_HEIGHT = TEXT_BOX_HEIGHT
MAX_LIST_ROWS = 8
def initialize(width, height, viewport, options, value = "")
super(width, height, viewport, value)
@box_width = TEXT_BOX_WIDTH
@options = options
@toggling_dropdown_list = false
@max_rows = MAX_LIST_ROWS
end
def dispose
remove_dropdown_menu
super
end
#-----------------------------------------------------------------------------
def values=(new_vals)
@options = new_vals
@dropdown_menu.values = @options if @dropdown_menu
end
#-----------------------------------------------------------------------------
def busy?
return true if @dropdown_menu || @toggling_dropdown_list
return super
end
#-----------------------------------------------------------------------------
def set_interactive_rects
@text_box_rect = Rect.new(TEXT_BOX_X, (height - TEXT_BOX_HEIGHT) / 2,
[@box_width, width - (TEXT_BOX_X * 2) - BUTTON_WIDTH].min, TEXT_BOX_HEIGHT)
@button_rect = Rect.new(BUTTON_X, @text_box_rect.y, BUTTON_WIDTH, BUTTON_HEIGHT)
@interactions = {
:text_box => @text_box_rect,
:button => @button_rect
}
end
def make_dropdown_menu
menu_height = (UIControls::List::ROW_HEIGHT * [@options.length, @max_rows].min) + (UIControls::List::BORDER_THICKNESS * 2)
# Draw menu's background
@dropdown_menu_bg = BitmapSprite.new(@text_box_rect.width + @button_rect.width, menu_height, self.viewport)
@dropdown_menu_bg.x = self.x + @text_box_rect.x
@dropdown_menu_bg.y = self.y + @text_box_rect.y + @text_box_rect.height
@dropdown_menu_bg.z = self.z + 1
@dropdown_menu_bg.bitmap.fill_rect(0, 0, @dropdown_menu_bg.width, @dropdown_menu_bg.height, background_color)
# Create menu
@dropdown_menu = UIControls::List.new(@text_box_rect.width + @button_rect.width, menu_height, self.viewport, @options)
@dropdown_menu.x = @dropdown_menu_bg.x
@dropdown_menu.y = @dropdown_menu_bg.y
@dropdown_menu.z = self.z + 2
@dropdown_menu.color_scheme = @color_scheme
@dropdown_menu.set_interactive_rects
@dropdown_menu.repaint
end
def remove_dropdown_menu
@dropdown_menu_bg&.dispose
@dropdown_menu_bg = nil
@dropdown_menu&.dispose
@dropdown_menu = nil
@captured_area = nil
@applied_filter = false
end
#-----------------------------------------------------------------------------
def draw_area_highlight
highlight_color = nil
if @captured_area == :text_box && !@hover_area && Input.press?(Input::MOUSELEFT)
highlight_color = capture_color
elsif !@captured_area && [:text_box, :button].include?(@hover_area)
# Draw mouse hover over area highlight
highlight_color = hover_color
end
return if !highlight_color
[:text_box, :button].each do |area|
rect = @interactions[area]
self.bitmap.fill_rect(rect.x, rect.y, rect.width, rect.height, highlight_color) if rect
end
end
def refresh
@dropdown_menu&.refresh
super
# Draw disabled colour in button
if disabled?
self.bitmap.fill_rect(@button_rect.x, @button_rect.y,
@button_rect.width, @button_rect.height,
disabled_fill_color)
end
# Draw button outline
self.bitmap.outline_rect(@button_rect.x, @button_rect.y,
@button_rect.width, @button_rect.height,
line_color)
# Draw down arrow
arrow_area_x = @button_rect.x + @button_rect.width - @button_rect.height + 1
arrow_area_width = @button_rect.height - 2
arrow_color = (disabled?) ? disabled_text_color : text_color
# self.bitmap.fill_rect(arrow_area_x, @button_rect.y + 1, arrow_area_width, arrow_area_width,
# (@hover_area && @captured_area != :button) ? hover_color : background_color)
6.times do |i|
self.bitmap.fill_rect(arrow_area_x + (arrow_area_width / 2) - 5 + i,
@button_rect.y + (arrow_area_width / 2) - 1 + i,
11 - (2 * i), 1, arrow_color)
end
end
#-----------------------------------------------------------------------------
def on_mouse_press
mouse_x, mouse_y = mouse_pos
return if !mouse_x || !mouse_y
if @dropdown_menu
if @text_box_rect.contains?(mouse_x, mouse_y)
# Clicked into the text box; put the text cursor in there
@captured_area = :text_box
@cursor_pos = get_cursor_index_from_mouse_position
@cursor_timer = System.uptime
invalidate
elsif !@dropdown_menu.mouse_in_control?
@value.strip! if @value.respond_to?("strip!")
@value = @initial_value.dup if disabled?
set_changed if @initial_value && @value != @initial_value
reset_interaction
remove_dropdown_menu
@toggling_dropdown_list = true
end
else
@captured_area = nil
super
if @captured_area
make_dropdown_menu
@toggling_dropdown_list = true
end
end
end
def on_mouse_release
return if !@captured_area && !@dropdown_menu && !@toggling_dropdown_list
if @toggling_dropdown_list
@toggling_dropdown_list = false
mouse_x, mouse_y = mouse_pos
if mouse_x && mouse_y && @interactions[:text_box].contains?(mouse_x, mouse_y)
@initial_value = @value.dup
Input.text_input = true
invalidate
end
return
end
if @dropdown_menu
if @dropdown_menu.changed?
new_val = @dropdown_menu.value
new_val = @options[new_val] if new_val.is_a?(Integer)
if new_val && new_val != @value
self.value = new_val
set_changed
end
@value.strip! if @value.respond_to?("strip!")
reset_interaction
remove_dropdown_menu
@captured_area = nil
elsif @captured_area
mouse_x, mouse_y = mouse_pos
if mouse_x && mouse_y && @interactions[:text_box].contains?(mouse_x, mouse_y)
@captured_area = :text_box
@initial_value = @value.dup
Input.text_input = true
end
elsif !mouse_in_control? && !@dropdown_menu.mouse_in_control?
@value.strip! if @value.respond_to?("strip!")
self.value = @initial_value if disabled?
set_changed if @initial_value && @value != @initial_value
reset_interaction
remove_dropdown_menu
@captured_area = nil
end
else
super
end
invalidate
end
def update
@dropdown_menu&.update
@dropdown_menu&.repaint
super
# Filter the dropdown menu options based on @value if it changes
if @dropdown_menu && @initial_value && (@applied_filter || @value != @initial_value)
filtered_options = @options.select do |key, val|
key.downcase.include?(@value.downcase) || val.downcase.include?(@value.downcase)
end
@dropdown_menu.values = filtered_options
@applied_filter = true
end
end
end