397 lines
10 KiB
NASM
397 lines
10 KiB
NASM
; simple paint application
|
|
|
|
opton
|
|
|
|
mov r0, canvas_window_struct
|
|
mov r1, canvas_window_title
|
|
mov r2, 512
|
|
mov r3, 448
|
|
mov r4, 0
|
|
mov r5, 16
|
|
mov r6, menu_items_root
|
|
mov r7, 0
|
|
call new_window
|
|
|
|
mov r0, tools_window_struct
|
|
mov r1, tools_window_title
|
|
mov r2, 128
|
|
mov r3, 128
|
|
mov r4, 512
|
|
mov r5, 16
|
|
mov r6, menu_items_root
|
|
mov r7, color_button_black_widget
|
|
call new_window
|
|
|
|
mov r0, 0xFFFFFFFF
|
|
mov r1, tools_window_struct
|
|
call fill_window
|
|
|
|
mov r0, tools_window_struct
|
|
call get_window_overlay_number
|
|
mov r5, r0
|
|
mov r0, 16
|
|
mov r1, 32
|
|
mov r2, 96
|
|
mov r3, 96
|
|
mov r4, 0xFF888888
|
|
call draw_filled_rectangle_to_overlay
|
|
|
|
mov r0, color_section_text
|
|
mov r1, 32
|
|
mov r2, 48
|
|
mov r3, [color]
|
|
not r3
|
|
or r3, 0xFF000000
|
|
mov r4, [color]
|
|
call draw_str_to_overlay
|
|
|
|
mov r0, tools_window_struct
|
|
call draw_widgets_to_window
|
|
|
|
event_loop:
|
|
; canvas events
|
|
mov r0, canvas_window_struct
|
|
call get_next_window_event
|
|
|
|
; was the mouse clicked?
|
|
cmp r0, EVENT_TYPE_MOUSE_CLICK
|
|
ifz call canvas_mouse_click_event
|
|
|
|
; was the mouse released?
|
|
cmp r0, EVENT_TYPE_MOUSE_RELEASE
|
|
ifz mov.8 [is_drawing], 0
|
|
|
|
; did the user click the menu bar?
|
|
cmp r0, EVENT_TYPE_MENU_BAR_CLICK
|
|
ifz mov r0, menu_items_root
|
|
ifz call menu_bar_click_event
|
|
|
|
; is the user in a menu?
|
|
cmp r0, EVENT_TYPE_MENU_UPDATE
|
|
ifz call menu_update_event
|
|
|
|
; did the user click a menu item?
|
|
cmp r0, EVENT_TYPE_MENU_CLICK
|
|
ifz call menu_click_event
|
|
|
|
; should the menu be closed?
|
|
cmp r0, EVENT_TYPE_MENU_ACK
|
|
ifz call menu_ack_event
|
|
|
|
|
|
; tools events
|
|
mov r0, tools_window_struct
|
|
call get_next_window_event
|
|
|
|
; was the mouse clicked?
|
|
cmp r0, EVENT_TYPE_MOUSE_CLICK
|
|
ifz call tools_mouse_click_event
|
|
|
|
; was the mouse released?
|
|
cmp r0, EVENT_TYPE_MOUSE_RELEASE
|
|
ifz mov.8 [is_drawing], 0
|
|
|
|
; did the user click the menu bar?
|
|
cmp r0, EVENT_TYPE_MENU_BAR_CLICK
|
|
ifz mov r0, menu_items_root
|
|
ifz call menu_bar_click_event
|
|
|
|
; is the user in a menu?
|
|
cmp r0, EVENT_TYPE_MENU_UPDATE
|
|
ifz call menu_update_event
|
|
|
|
; did the user click a menu item?
|
|
cmp r0, EVENT_TYPE_MENU_CLICK
|
|
ifz call menu_click_event
|
|
|
|
; should the menu be closed?
|
|
cmp r0, EVENT_TYPE_MENU_ACK
|
|
ifz call menu_ack_event
|
|
|
|
; did the user click a button?
|
|
cmp r0, EVENT_TYPE_BUTTON_CLICK
|
|
ifz call tools_button_click_event
|
|
|
|
cmp.8 [is_drawing], 0
|
|
ifnz call draw_pixel
|
|
|
|
call yield_task
|
|
jmp event_loop
|
|
|
|
canvas_mouse_click_event:
|
|
push r0
|
|
|
|
; first, check if we are attempting to drag or close the window
|
|
cmp r2, 16
|
|
iflteq jmp drag_or_close_canvas_window
|
|
|
|
; if not, enable the drawing flag
|
|
mov.8 [is_drawing], 1
|
|
|
|
pop r0
|
|
ret
|
|
|
|
tools_mouse_click_event:
|
|
push r0
|
|
|
|
; first, check if we are attempting to drag or close the window
|
|
cmp r2, 16
|
|
iflteq jmp drag_or_close_tools_window
|
|
|
|
; then, handle widget clicks
|
|
mov r0, tools_window_struct
|
|
call handle_widget_click
|
|
|
|
pop r0
|
|
ret
|
|
|
|
menu_click_event:
|
|
; r2 contains the clicked root menu
|
|
; r3 contains the clicked menu item
|
|
|
|
; canvas
|
|
cmp r2, 0
|
|
ifz call canvas_menu_click_event
|
|
|
|
; brush
|
|
cmp r2, 1
|
|
ifz call brush_menu_click_event
|
|
|
|
ret
|
|
|
|
menu_ack_event:
|
|
push r0
|
|
|
|
mov r0, menu_items_root
|
|
call close_menu
|
|
|
|
pop r0
|
|
ret
|
|
|
|
canvas_menu_click_event:
|
|
; r2 contains the clicked root menu
|
|
; r3 contains the clicked menu item
|
|
|
|
; clear to black
|
|
cmp r3, 0
|
|
ifz call clear_canvas_black
|
|
|
|
; clear to white
|
|
cmp r3, 1
|
|
ifz call clear_canvas_white
|
|
|
|
ret
|
|
|
|
brush_menu_click_event:
|
|
; r2 contains the clicked root menu
|
|
; r3 contains the clicked menu item
|
|
|
|
; 2x2
|
|
cmp r3, 0
|
|
ifz mov.8 [brush_size], 2
|
|
|
|
; 4x4
|
|
cmp r3, 1
|
|
ifz mov.8 [brush_size], 4
|
|
|
|
; 8x8
|
|
cmp r3, 2
|
|
ifz mov.8 [brush_size], 8
|
|
|
|
; 16x16
|
|
cmp r3, 3
|
|
ifz mov.8 [brush_size], 16
|
|
|
|
ret
|
|
|
|
tools_button_click_event:
|
|
; r1 contains the ID of the clicked button
|
|
|
|
; colors
|
|
|
|
; black
|
|
cmp r1, 0
|
|
ifz mov [color], 0xFF000000
|
|
|
|
; white
|
|
cmp r1, 1
|
|
ifz mov [color], 0xFFFFFFFF
|
|
|
|
; red
|
|
cmp r1, 2
|
|
ifz mov [color], 0xFF0000FF
|
|
|
|
; green
|
|
cmp r1, 3
|
|
ifz mov [color], 0xFF00FF00
|
|
|
|
; blue
|
|
cmp r1, 4
|
|
ifz mov [color], 0xFFFF0000
|
|
|
|
; redraw the "color" text in the clicked color
|
|
mov r0, tools_window_struct
|
|
call get_window_overlay_number
|
|
mov r5, r0
|
|
mov r0, color_section_text
|
|
mov r1, 32
|
|
mov r2, 48
|
|
mov r3, [color]
|
|
not r3
|
|
or r3, 0xFF000000
|
|
mov r4, [color]
|
|
call draw_str_to_overlay
|
|
|
|
ret
|
|
|
|
draw_pixel:
|
|
mov r0, canvas_window_struct
|
|
call get_window_overlay_number
|
|
mov r2, r0
|
|
mov r5, r0
|
|
call get_mouse_position
|
|
call make_coordinates_relative_to_overlay
|
|
movz.8 r2, [brush_size]
|
|
movz.8 r3, [brush_size]
|
|
mov r4, [color]
|
|
call draw_filled_rectangle_to_overlay
|
|
|
|
ret
|
|
|
|
clear_canvas_black:
|
|
mov r0, 0xFF000000
|
|
mov r1, canvas_window_struct
|
|
call fill_window
|
|
|
|
ret
|
|
|
|
clear_canvas_white:
|
|
mov r0, 0xFFFFFFFF
|
|
mov r1, canvas_window_struct
|
|
call fill_window
|
|
|
|
ret
|
|
|
|
drag_or_close_canvas_window:
|
|
cmp r1, 8
|
|
iflteq jmp close_canvas_window
|
|
mov r0, canvas_window_struct
|
|
call start_dragging_window
|
|
pop r0
|
|
ret
|
|
close_canvas_window:
|
|
mov r0, canvas_window_struct
|
|
call destroy_window
|
|
mov r0, tools_window_struct
|
|
call destroy_window
|
|
call end_current_task
|
|
|
|
drag_or_close_tools_window:
|
|
cmp r1, 8
|
|
iflteq pop r0
|
|
iflteq ret
|
|
mov r0, tools_window_struct
|
|
call start_dragging_window
|
|
pop r0
|
|
ret
|
|
|
|
canvas_window_title: data.strz "FoxPaint canvas"
|
|
canvas_window_struct: data.fill 0, 36
|
|
|
|
tools_window_title: data.strz "FoxPaint tools"
|
|
tools_window_struct: data.fill 0, 36
|
|
|
|
color_section_text: data.strz "Color "
|
|
color_button_black_widget:
|
|
data.32 color_button_white_widget ; next_ptr
|
|
data.32 0 ; id
|
|
data.32 WIDGET_TYPE_BUTTON ; type
|
|
data.32 color_button_text ; text_ptr
|
|
data.32 0xFFFFFFFF ; foreground_color
|
|
data.32 0xFF000000 ; background_color
|
|
data.16 16 ; width
|
|
data.16 0 ; reserved
|
|
data.16 32 ; x_pos
|
|
data.16 64 ; y_pos
|
|
color_button_white_widget:
|
|
data.32 color_button_red_widget ; next_ptr
|
|
data.32 1 ; id
|
|
data.32 WIDGET_TYPE_BUTTON ; type
|
|
data.32 color_button_text ; text_ptr
|
|
data.32 0xFFFFFFFF ; foreground_color
|
|
data.32 0xFFFFFFFF ; background_color
|
|
data.16 16 ; width
|
|
data.16 0 ; reserved
|
|
data.16 48 ; x_pos
|
|
data.16 64 ; y_pos
|
|
color_button_red_widget:
|
|
data.32 color_button_green_widget ; next_ptr
|
|
data.32 2 ; id
|
|
data.32 WIDGET_TYPE_BUTTON ; type
|
|
data.32 color_button_text ; text_ptr
|
|
data.32 0xFFFFFFFF ; foreground_color
|
|
data.32 0xFF0000FF ; background_color
|
|
data.16 16 ; width
|
|
data.16 0 ; reserved
|
|
data.16 64 ; x_pos
|
|
data.16 64 ; y_pos
|
|
color_button_green_widget:
|
|
data.32 color_button_blue_widget ; next_ptr
|
|
data.32 3 ; id
|
|
data.32 WIDGET_TYPE_BUTTON ; type
|
|
data.32 color_button_text ; text_ptr
|
|
data.32 0xFFFFFFFF ; foreground_color
|
|
data.32 0xFF00FF00 ; background_color
|
|
data.16 16 ; width
|
|
data.16 0 ; reserved
|
|
data.16 32 ; x_pos
|
|
data.16 80 ; y_pos
|
|
color_button_blue_widget:
|
|
data.32 0 ; next_ptr
|
|
data.32 4 ; id
|
|
data.32 WIDGET_TYPE_BUTTON ; type
|
|
data.32 color_button_text ; text_ptr
|
|
data.32 0xFFFFFFFF ; foreground_color
|
|
data.32 0xFFFF0000 ; background_color
|
|
data.16 16 ; width
|
|
data.16 0 ; reserved
|
|
data.16 48 ; x_pos
|
|
data.16 80 ; y_pos
|
|
color_button_text: data.strz " "
|
|
|
|
menu_items_root:
|
|
data.8 2 ; number of menus
|
|
data.32 menu_items_canvas_list data.32 menu_items_canvas_name ; pointer to menu list, pointer to menu name
|
|
data.32 menu_items_brush_list data.32 menu_items_brush_name ; pointer to menu list, pointer to menu name
|
|
menu_items_canvas_name:
|
|
data.8 6 data.strz "Canvas" ; text length, text, null-terminator
|
|
menu_items_brush_name:
|
|
data.8 5 data.strz "Brush" ; text length, text, null-terminator
|
|
menu_items_canvas_list:
|
|
data.8 2 ; number of items
|
|
data.8 16 ; menu width (usually longest item + 2)
|
|
data.8 14 data.strz "Clear to Black" ; text length, text, null-terminator
|
|
data.8 14 data.strz "Clear to White" ; text length, text, null-terminator
|
|
menu_items_brush_list:
|
|
data.8 4 ; number of items
|
|
data.8 7 ; menu width (usually longest item + 2)
|
|
data.8 3 data.strz "2x2" ; text length, text, null-terminator
|
|
data.8 3 data.strz "4x4" ; text length, text, null-terminator
|
|
data.8 3 data.strz "8x8" ; text length, text, null-terminator
|
|
data.8 5 data.strz "16x16" ; text length, text, null-terminator
|
|
menu_items_color_list:
|
|
data.8 5 ; number of items
|
|
data.8 7 ; menu width (usually longest item + 2)
|
|
data.8 5 data.strz "Black" ; text length, text, null-terminator
|
|
data.8 5 data.strz "White" ; text length, text, null-terminator
|
|
data.8 3 data.strz "Red" ; text length, text, null-terminator
|
|
data.8 5 data.strz "Green" ; text length, text, null-terminator
|
|
data.8 4 data.strz "Blue" ; text length, text, null-terminator
|
|
|
|
is_drawing: data.8 0
|
|
brush_size: data.8 4
|
|
color: data.32 0xFFFFFFFF
|
|
|
|
#include "../../fox32rom/fox32rom.def"
|
|
#include "../../fox32os.def"
|