fox32rom: Rename "submenu" to "menu"
This commit is contained in:
ry755
Ry
parent
3fae47a36e
commit
a7ccb2167e
|
|
@ -10,8 +10,8 @@ const EVENT_SIZE_WORDS: 8 ; 8 words per event
|
|||
; event types
|
||||
const MOUSE_CLICK_EVENT_TYPE: 0x00000000
|
||||
const MENU_BAR_CLICK_EVENT_TYPE: 0x00000001
|
||||
const SUBMENU_UPDATE_EVENT_TYPE: 0x00000002
|
||||
const SUBMENU_CLICK_EVENT_TYPE: 0x00000003
|
||||
const MENU_UPDATE_EVENT_TYPE: 0x00000002
|
||||
const MENU_CLICK_EVENT_TYPE: 0x00000003
|
||||
const EMPTY_EVENT_TYPE: 0xFFFFFFFF
|
||||
|
||||
; block until an event is available
|
||||
|
|
|
|||
|
|
@ -32,12 +32,12 @@ check_if_enabled_overlay_covers_position: jmp [0xF0043018]
|
|||
menu_bar_click_event: jmp [0xF0044000]
|
||||
clear_menu_bar: jmp [0xF0044004]
|
||||
draw_menu_bar_root_items: jmp [0xF0044008]
|
||||
draw_submenu_items: jmp [0xF004400C]
|
||||
close_submenu: jmp [0xF0044010]
|
||||
draw_menu_items: jmp [0xF004400C]
|
||||
close_menu: jmp [0xF0044010]
|
||||
|
||||
; event types
|
||||
const MOUSE_CLICK_EVENT_TYPE: 0x00000000
|
||||
const MENU_BAR_CLICK_EVENT_TYPE: 0x00000001
|
||||
const SUBMENU_UPDATE_EVENT_TYPE: 0x00000002
|
||||
const SUBMENU_CLICK_EVENT_TYPE: 0x00000003
|
||||
const MENU_UPDATE_EVENT_TYPE: 0x00000002
|
||||
const MENU_CLICK_EVENT_TYPE: 0x00000003
|
||||
const EMPTY_EVENT_TYPE: 0xFFFFFFFF
|
||||
30
main.asm
30
main.asm
|
|
@ -124,13 +124,13 @@ event_loop:
|
|||
ifz mov r0, menu_items_root
|
||||
ifz call menu_bar_click_event
|
||||
|
||||
; is the user in a submenu?
|
||||
cmp r0, SUBMENU_UPDATE_EVENT_TYPE
|
||||
ifz call submenu_update_event
|
||||
; is the user in a menu?
|
||||
cmp r0, MENU_UPDATE_EVENT_TYPE
|
||||
ifz call menu_update_event
|
||||
|
||||
; did the user click a submenu item?
|
||||
cmp r0, SUBMENU_CLICK_EVENT_TYPE
|
||||
ifz call submenu_click_event
|
||||
; did the user click a menu item?
|
||||
cmp r0, MENU_CLICK_EVENT_TYPE
|
||||
ifz call menu_click_event
|
||||
|
||||
; check if a disk is mounted as disk 0
|
||||
; if port 0x8000100n returns a non-zero value, then a disk is mounted as disk n
|
||||
|
|
@ -140,8 +140,8 @@ event_loop:
|
|||
|
||||
jmp event_loop
|
||||
|
||||
submenu_click_event:
|
||||
; r3 contains the clicked submenu item
|
||||
menu_click_event:
|
||||
; r3 contains the clicked menu item
|
||||
|
||||
; about
|
||||
cmp r3, 0
|
||||
|
|
@ -178,9 +178,9 @@ get_rom_version:
|
|||
#include "event.asm"
|
||||
#include "memory.asm"
|
||||
#include "menu.asm"
|
||||
#include "menu_bar.asm"
|
||||
#include "mouse.asm"
|
||||
#include "overlay.asm"
|
||||
#include "submenu.asm"
|
||||
#include "vsync.asm"
|
||||
|
||||
|
||||
|
|
@ -226,8 +226,8 @@ get_rom_version:
|
|||
data.32 menu_bar_click_event
|
||||
data.32 clear_menu_bar
|
||||
data.32 draw_menu_bar_root_items
|
||||
data.32 draw_submenu_items
|
||||
data.32 close_submenu
|
||||
data.32 draw_menu_items
|
||||
data.32 close_menu
|
||||
|
||||
org.pad 0xF004F000
|
||||
standard_font_width:
|
||||
|
|
@ -254,7 +254,7 @@ overlay_30_position_x: data.16 0
|
|||
overlay_30_position_y: data.16 0
|
||||
overlay_30_framebuffer_ptr: data.32 0x8012D180
|
||||
|
||||
; submenu overlay struct:
|
||||
; menu overlay struct:
|
||||
; this struct must be writable, so these are hard-coded addresses in shared memory
|
||||
const OVERLAY_29_WIDTH: 0x80137180 ; 2 bytes
|
||||
const OVERLAY_29_HEIGHT: 0x80137182 ; 2 bytes
|
||||
|
|
@ -267,13 +267,13 @@ startup_str_1: data.str "Welcome to fox32" data.8 0
|
|||
startup_str_2: data.str "Insert boot disk" data.8 0
|
||||
|
||||
menu_items_root:
|
||||
data.8 1 ; number of submenus
|
||||
data.32 menu_items_system_list data.32 menu_items_system_name ; pointer to submenu list, pointer to submenu name
|
||||
data.8 1 ; number of menus
|
||||
data.32 menu_items_system_list data.32 menu_items_system_name ; pointer to menu list, pointer to menu name
|
||||
menu_items_system_name:
|
||||
data.8 6 data.str "System" data.8 0x00 ; text length, text, null-terminator
|
||||
menu_items_system_list:
|
||||
data.8 3 ; number of items
|
||||
data.8 12 ; submenu width (usually longest item + 2)
|
||||
data.8 12 ; menu width (usually longest item + 2)
|
||||
data.8 5 data.str "About" data.8 0x00 ; text length, text, null-terminator
|
||||
data.8 10 data.str "Mount Disk" data.8 0x00 ; text length, text, null-terminator
|
||||
data.8 4 data.str "Halt" data.8 0x00 ; text length, text, null-terminator
|
||||
|
|
|
|||
425
menu.asm
425
menu.asm
|
|
@ -1,112 +1,13 @@
|
|||
; menu bar routines
|
||||
; menu routines
|
||||
|
||||
; clear menu bar
|
||||
; inputs:
|
||||
; none
|
||||
; outputs:
|
||||
; none
|
||||
clear_menu_bar:
|
||||
push r0
|
||||
push r1
|
||||
push r2
|
||||
push r3
|
||||
push r4
|
||||
push r5
|
||||
push r31
|
||||
|
||||
mov r31, 80
|
||||
movz.8 r0, ' '
|
||||
mov r1, 0
|
||||
mov r2, 0
|
||||
mov r3, 0xFF000000
|
||||
mov r4, 0xFFFFFFFF
|
||||
mov r5, 30
|
||||
clear_menu_bar_loop:
|
||||
call draw_font_tile_to_overlay
|
||||
add r1, 8
|
||||
loop clear_menu_bar_loop
|
||||
|
||||
pop r31
|
||||
pop r5
|
||||
pop r4
|
||||
pop r3
|
||||
pop r2
|
||||
pop r1
|
||||
pop r0
|
||||
ret
|
||||
|
||||
|
||||
; draw root menu bar items
|
||||
; draw menu items
|
||||
; inputs:
|
||||
; r0: pointer to menu bar root struct
|
||||
; r1: selected root menu item (or 0xFFFFFFFF for none)
|
||||
; r1: selected root menu item
|
||||
; r2: hovering menu item (or 0xFFFFFFFF for none)
|
||||
; outputs:
|
||||
; none
|
||||
draw_menu_bar_root_items:
|
||||
push r0
|
||||
push r1
|
||||
push r2
|
||||
push r3
|
||||
push r4
|
||||
push r5
|
||||
push r6
|
||||
push r29
|
||||
push r30
|
||||
push r31
|
||||
|
||||
movz.8 r31, [r0] ; load number of root menu items into r31 for looping
|
||||
mov r30, r1 ; r30: number of the selected item
|
||||
mov r29, 0 ; counter of how many menu items drawn so far
|
||||
mov r6, r0
|
||||
add r6, 5 ; point to start of root menu items text pointer
|
||||
mov r1, 16 ; X = 16
|
||||
mov r2, 0 ; Y = 0
|
||||
mov r5, 30 ; overlay 30
|
||||
draw_menu_bar_root_items_loop:
|
||||
cmp r30, r29
|
||||
ifz mov r3, 0xFFFFFFFF ; foreground color: white
|
||||
ifz mov r4, 0xFF000000 ; background color: black
|
||||
ifnz mov r3, 0xFF000000 ; foreground color: black
|
||||
ifnz mov r4, 0xFFFFFFFF ; background color: white
|
||||
|
||||
; draw colored space before text
|
||||
sub r1, 8
|
||||
movz.8 r0, ' '
|
||||
call draw_font_tile_to_overlay
|
||||
add r1, 8
|
||||
|
||||
mov r0, [r6] ; get pointer to text
|
||||
inc r0 ; increment past length byte
|
||||
call draw_str_to_overlay ; draw menu item text
|
||||
|
||||
; draw colored space after text
|
||||
movz.8 r0, ' '
|
||||
call draw_font_tile_to_overlay
|
||||
|
||||
add r1, 16 ; add some space next to this menu item
|
||||
add r6, 8 ; increment pointer to text pointer
|
||||
inc r29
|
||||
loop draw_menu_bar_root_items_loop
|
||||
|
||||
pop r31
|
||||
pop r30
|
||||
pop r29
|
||||
pop r6
|
||||
pop r5
|
||||
pop r4
|
||||
pop r3
|
||||
pop r2
|
||||
pop r1
|
||||
pop r0
|
||||
ret
|
||||
|
||||
; handle menu bar click
|
||||
; inputs:
|
||||
; r0: pointer to menu bar root struct
|
||||
; r1: X position where the menu bar was clicked
|
||||
; outputs:
|
||||
; none
|
||||
menu_bar_click_event:
|
||||
draw_menu_items:
|
||||
push r0
|
||||
push r1
|
||||
push r2
|
||||
|
|
@ -115,73 +16,130 @@ menu_bar_click_event:
|
|||
push r5
|
||||
push r6
|
||||
push r7
|
||||
push r28
|
||||
push r8
|
||||
push r29
|
||||
push r30
|
||||
push r31
|
||||
|
||||
; move the X coordinate to r3
|
||||
mov r3, r1
|
||||
push r0
|
||||
; the user might've clicked on a root menu item, check to see if they did and what button they clicked
|
||||
movz.8 r31, [r0] ; load number of root menu items into r31 for looping
|
||||
mov r30, 0 ; use r30 as an incrementing counter of menu item lengths calculated so far
|
||||
mov r29, 16 ; use r29 as the starting X coord of the current menu item
|
||||
;mov r28, 0 ; use r28 as the ending X coord of the current menu item
|
||||
; calculate the X position of the menu
|
||||
mov r31, r1 ; load number of the selected item into r31 for looping
|
||||
mov r30, 16 ; X counter
|
||||
cmp r31, 0 ; we don't need to loop if this is menu 0
|
||||
ifz jmp draw_menu_items_calculate_x_skip
|
||||
mov r4, r0
|
||||
add r4, 5 ; point to start of root menu items text pointer
|
||||
menu_bar_click_event_loop:
|
||||
mov r0, [r4] ; get pointer to text
|
||||
movz.8 r1, [r0] ; get length byte
|
||||
mul r1, 8 ; calculate the length in pixels
|
||||
mov r28, r1
|
||||
add r28, r29 ; use r28 as the ending X coord of the current menu item
|
||||
mov r2, r1
|
||||
; now we need to check if the mouse's X coord is between the values of r29 and r28
|
||||
; if carry flag is set, value is less than
|
||||
; if carry flag is clear, value is greater than or equal to
|
||||
mov r1, r3
|
||||
; this is a trick to check if a value is within a certain range
|
||||
; see https://stackoverflow.com/questions/5196527/double-condition-checking-in-assembly for info
|
||||
sub r1, r29
|
||||
sub r28, r29
|
||||
cmp r28, r1
|
||||
ifnc jmp menu_bar_click_event_found_item
|
||||
inc r30 ; increment counter of menu item lengths calculated so far
|
||||
add r29, r2 ; add the size in pixels of the current root menu item to the counter
|
||||
add r29, 16 ; add 16 pixels to account for the space between the menu items
|
||||
add r4, 8 ; increment pointer to text pointer
|
||||
loop menu_bar_click_event_loop
|
||||
; if we reach this point, then the user didn't click on any root menu items
|
||||
; redraw the root menu items without anything selected
|
||||
pop r0
|
||||
;mov r1, 0xFFFFFFFF
|
||||
;call draw_menu_bar_root_items ; close_submenu already calls this
|
||||
call close_submenu
|
||||
jmp menu_bar_click_event_end
|
||||
menu_bar_click_event_found_item:
|
||||
; r30 contains the clicked root menu item (starting at 0)
|
||||
pop r0
|
||||
mov r1, r30
|
||||
mov r2, 0xFFFFFFFF
|
||||
call draw_menu_bar_root_items
|
||||
call draw_submenu_items
|
||||
draw_menu_items_calculate_x_loop:
|
||||
mov r3, [r4] ; get pointer to text
|
||||
movz.8 r3, [r3] ; get text length byte
|
||||
add r3, 2 ; add 2 for the spaces on each side of the text
|
||||
mul r3, 8 ; characters are 8 pixels wide
|
||||
add r30, r3 ; add length to X counter
|
||||
add r4, 8 ; point to next text pointer
|
||||
loop draw_menu_items_calculate_x_loop
|
||||
draw_menu_items_calculate_x_skip:
|
||||
sub r30, 8 ; move the menu to the left by 8 pixels
|
||||
mov.16 [OVERLAY_29_POSITION_X], r30
|
||||
|
||||
mov r31, r0
|
||||
inc r31 ; point to menu list pointer
|
||||
mul r1, 8 ; point to the selected menu
|
||||
add r31, r1
|
||||
mov r0, [r31] ; load menu list pointer
|
||||
movz.8 r31, [r0] ; load number of menu items
|
||||
mov r30, r2 ; r30: number of the hovered item
|
||||
mov r29, 0 ; counter of how many menu items drawn so far
|
||||
|
||||
; calculate the required height for the menu overlay
|
||||
; multiply the number of menu items by 16 (the font is 16 pixels tall)
|
||||
mov r1, r31
|
||||
mul r1, 16
|
||||
mov.16 [OVERLAY_29_HEIGHT], r1
|
||||
|
||||
; calculate the required width for the menu overlay
|
||||
; multiply the width by 8 (the font is 8 pixels wide)
|
||||
mov r1, r0
|
||||
inc r1
|
||||
movz.8 r1, [r1] ; load width of menu
|
||||
mov r8, r1 ; save the width in characters in r8 for later
|
||||
mul r1, 8
|
||||
mov.16 [OVERLAY_29_WIDTH], r1
|
||||
|
||||
push r0
|
||||
|
||||
; set properties of overlay 29
|
||||
mov.16 [OVERLAY_29_POSITION_Y], 16
|
||||
mov [OVERLAY_29_FRAMEBUFFER_PTR], OVERLAY_29_FRAMEBUFFER
|
||||
mov r0, 0x8000001D ; overlay 29: position
|
||||
mov.16 r1, [OVERLAY_29_POSITION_Y]
|
||||
sla r1, 16
|
||||
mov.16 r1, [OVERLAY_29_POSITION_X]
|
||||
out r0, r1
|
||||
mov r0, 0x8000011D ; overlay 29: size
|
||||
mov.16 r1, [OVERLAY_29_HEIGHT]
|
||||
sla r1, 16
|
||||
mov.16 r1, [OVERLAY_29_WIDTH]
|
||||
out r0, r1
|
||||
mov r0, 0x8000021D ; overlay 29: framebuffer pointer
|
||||
mov r1, [OVERLAY_29_FRAMEBUFFER_PTR]
|
||||
out r0, r1
|
||||
mov r0, 0x8000031D
|
||||
out r0, 1
|
||||
|
||||
; draw empty menu
|
||||
mov r6, r31 ; outer loop counter
|
||||
movz.8 r0, ' '
|
||||
mov r1, 0
|
||||
mov r2, 0
|
||||
mov r3, 0xFF000000
|
||||
mov r4, 0xFFFFFFFF
|
||||
mov r5, 29
|
||||
draw_empty_menu_loop:
|
||||
mov r7, r8 ; inner loop counter
|
||||
cmp r30, r29
|
||||
ifz mov r3, 0xFFFFFFFF ; foreground color: white
|
||||
ifz mov r4, 0xFF000000 ; background color: black
|
||||
ifnz mov r3, 0xFF000000 ; foreground color: black
|
||||
ifnz mov r4, 0xFFFFFFFF ; background color: white
|
||||
draw_empty_menu_line_loop:
|
||||
call draw_font_tile_to_overlay
|
||||
add r1, 8
|
||||
dec r7
|
||||
ifnz jmp draw_empty_menu_line_loop
|
||||
mov r1, 0
|
||||
add r2, 16
|
||||
inc r29
|
||||
dec r6
|
||||
ifnz jmp draw_empty_menu_loop
|
||||
mov r29, 0 ; counter of how many menu items drawn so far
|
||||
pop r0
|
||||
|
||||
; draw menu text
|
||||
add r0, 3 ; point to start of menu items text
|
||||
mov r2, 0 ; Y = 0
|
||||
draw_menu_text_loop:
|
||||
cmp r30, r29
|
||||
ifz mov r3, 0xFFFFFFFF ; foreground color: white
|
||||
ifz mov r4, 0xFF000000 ; background color: black
|
||||
ifnz mov r3, 0xFF000000 ; foreground color: black
|
||||
ifnz mov r4, 0xFFFFFFFF ; background color: white
|
||||
|
||||
mov r1, 0 ; X = 0
|
||||
call draw_str_to_overlay ; draw menu item text
|
||||
|
||||
mov r1, r0
|
||||
dec r1 ; point to length byte of this menu item
|
||||
movz.8 r1, [r1] ; load length byte
|
||||
inc r1 ; add one to count the null-terminator
|
||||
add r0, r1 ; add length to menu item text pointer
|
||||
inc r0 ; increment past length byte
|
||||
add r2, 16 ; add 16 to Y
|
||||
inc r29
|
||||
loop draw_menu_text_loop
|
||||
|
||||
; add a submenu_update_event_type event to the event queue
|
||||
mov r1, r0 ; event parameter 0: pointer to menu bar root struct
|
||||
mov r2, r30 ; event parameter 1: selected root menu item
|
||||
mov r3, 0xFFFFFFFF ; event parameter 2: hovering submenu item (or 0xFFFFFFFF for none)
|
||||
mov r4, 0
|
||||
mov r5, 0
|
||||
mov r6, 0
|
||||
mov r7, 0
|
||||
mov r0, SUBMENU_UPDATE_EVENT_TYPE
|
||||
call new_event
|
||||
menu_bar_click_event_end:
|
||||
pop r31
|
||||
pop r30
|
||||
pop r29
|
||||
pop r28
|
||||
pop r8
|
||||
pop r7
|
||||
pop r6
|
||||
pop r5
|
||||
|
|
@ -192,31 +150,120 @@ menu_bar_click_event_end:
|
|||
pop r0
|
||||
ret
|
||||
|
||||
;menu_items_root:
|
||||
; data.8 3 ; number of submenus
|
||||
; data.32 menu_items_file_list data.32 menu_items_file_name ; pointer to submenu list, pointer to submenu name
|
||||
; data.32 menu_items_edit_list data.32 menu_items_edit_name ; pointer to submenu list, pointer to submenu name
|
||||
; data.32 menu_items_system_list data.32 menu_items_system_name ; pointer to submenu list, pointer to submenu name
|
||||
;menu_items_file_name:
|
||||
; data.8 4 data.str "File" data.8 0x00 ; text length, text, null-terminator
|
||||
;menu_items_file_list:
|
||||
; data.8 2 ; number of items
|
||||
; data.8 6 ; submenu width (in number of characters)
|
||||
; data.8 6 data.str "Test 1" data.8 0x00 ; text length, text, null-terminator
|
||||
; data.8 6 data.str "Test 2" data.8 0x00 ; text length, text, null-terminator
|
||||
;menu_items_edit_name:
|
||||
; data.8 4 data.str "Edit" data.8 0x00 ; text length, text, null-terminator
|
||||
;menu_items_edit_list:
|
||||
; data.8 2 ; number of items
|
||||
; data.8 6 ; submenu width (in number of characters)
|
||||
; data.8 6 data.str "Test 3" data.8 0x00 ; text length, text, null-terminator
|
||||
; data.8 6 data.str "Test 4" data.8 0x00 ; text length, text, null-terminator
|
||||
;menu_items_system_name:
|
||||
; data.8 6 data.str "System" data.8 0x00 ; text length, text, null-terminator
|
||||
;menu_items_system_list:
|
||||
; data.8 4 ; number of items
|
||||
; data.8 6 ; submenu width (in number of characters)
|
||||
; data.8 6 data.str "Test 5" data.8 0x00 ; text length, text, null-terminator
|
||||
; data.8 6 data.str "Test 6" data.8 0x00 ; text length, text, null-terminator
|
||||
; data.8 6 data.str "Test 7" data.8 0x00 ; text length, text, null-terminator
|
||||
; data.8 6 data.str "Test 8" data.8 0x00 ; text length, text, null-terminator
|
||||
; hide the menu
|
||||
; inputs:
|
||||
; r0: pointer to menu bar root struct
|
||||
; outputs:
|
||||
; none
|
||||
close_menu:
|
||||
push r1
|
||||
|
||||
; disable overlay 29
|
||||
mov r1, 0x8000031D
|
||||
out r1, 0
|
||||
|
||||
mov r1, 0xFFFFFFFF
|
||||
call draw_menu_bar_root_items
|
||||
|
||||
pop r1
|
||||
ret
|
||||
|
||||
; update the currently open menu
|
||||
; detects mouse movements over the menu and handles clicks
|
||||
; this should only be called if a menu_update_event_type event is received
|
||||
; inputs:
|
||||
; *** these inputs should already be in the required registers from the event parameters ***
|
||||
; r1: pointer to menu bar root struct
|
||||
; r2: selected root menu item
|
||||
; r3: hovering menu item (or 0xFFFFFFFF for none)
|
||||
; outputs:
|
||||
; none
|
||||
; the event is added back into the event queue if the menu is still open
|
||||
menu_update_event:
|
||||
push r0
|
||||
push r1
|
||||
push r2
|
||||
push r3
|
||||
push r4
|
||||
push r5
|
||||
push r6
|
||||
push r7
|
||||
push r8
|
||||
push r9
|
||||
|
||||
mov r8, r1 ; r8: pointer to menu bar root struct
|
||||
mov r9, r2 ; r9: selected root menu item
|
||||
mov r10, r3 ; r10: hovering menu item (or 0xFFFFFFFF for none)
|
||||
|
||||
; check if the menu overlay is enabled
|
||||
; if the menu was closed then exit without readding the update event to the event queue
|
||||
in r0, 0x8000031D
|
||||
cmp r0, 0
|
||||
ifz jmp menu_update_event_end_no_add
|
||||
|
||||
; get the current mouse position and check if the menu overlay covers that position
|
||||
; if the mouse is not in the menu, then there is nothing to do
|
||||
call get_mouse_position
|
||||
mov r2, 29
|
||||
call check_if_enabled_overlay_covers_position
|
||||
ifnz jmp menu_update_event_end_add
|
||||
|
||||
; make the mouse position relative to the menu overlay
|
||||
mov r2, 29
|
||||
call make_coordinates_relative_to_overlay
|
||||
|
||||
; if the currently hovered item is different than the hovered item in the event parameters,
|
||||
; then redraw the menu with correct hovered item
|
||||
div r1, 16 ; mouse Y / 16
|
||||
cmp r1, r10 ; compare the currently hovered item to the hovered item in event parameter 2
|
||||
ifz jmp menu_update_event_no_redraw
|
||||
mov r10, r1 ; set the hovering item to the currently hovering item
|
||||
mov r2, r1
|
||||
mov r1, r9
|
||||
mov r0, r8
|
||||
call draw_menu_items
|
||||
menu_update_event_no_redraw:
|
||||
; check the mouse held bit
|
||||
; this is kinda hacky but it works
|
||||
call get_mouse_button
|
||||
bts r0, 1
|
||||
ifnz jmp menu_update_event_clicked
|
||||
|
||||
jmp menu_update_event_end_add
|
||||
menu_update_event_clicked:
|
||||
;div r2, 16 ; mouse Y / 16
|
||||
mov r1, r8 ; event parameter 0: pointer to menu bar root struct
|
||||
mov r2, r9 ; event parameter 1: selected root menu item
|
||||
mov r3, r10 ; event parameter 2: selected menu item
|
||||
mov r4, 0
|
||||
mov r5, 0
|
||||
mov r6, 0
|
||||
mov r7, 0
|
||||
mov r0, MENU_CLICK_EVENT_TYPE
|
||||
call new_event
|
||||
mov r0, r1
|
||||
call close_menu
|
||||
jmp menu_update_event_end_no_add
|
||||
menu_update_event_end_add:
|
||||
; readd the menu_update_event_type event to the event queue
|
||||
mov r1, r8 ; event parameter 0: pointer to menu bar root struct
|
||||
mov r2, r9 ; event parameter 1: selected root menu item
|
||||
mov r3, r10 ; event parameter 2: hovering menu item (or 0xFFFFFFFF for none)
|
||||
mov r4, 0
|
||||
mov r5, 0
|
||||
mov r6, 0
|
||||
mov r7, 0
|
||||
mov r0, MENU_UPDATE_EVENT_TYPE
|
||||
call new_event
|
||||
menu_update_event_end_no_add:
|
||||
pop r9
|
||||
pop r8
|
||||
pop r7
|
||||
pop r6
|
||||
pop r5
|
||||
pop r4
|
||||
pop r3
|
||||
pop r2
|
||||
pop r1
|
||||
pop r0
|
||||
ret
|
||||
222
menu_bar.asm
Normal file
222
menu_bar.asm
Normal file
|
|
@ -0,0 +1,222 @@
|
|||
; menu bar routines
|
||||
|
||||
; clear menu bar
|
||||
; inputs:
|
||||
; none
|
||||
; outputs:
|
||||
; none
|
||||
clear_menu_bar:
|
||||
push r0
|
||||
push r1
|
||||
push r2
|
||||
push r3
|
||||
push r4
|
||||
push r5
|
||||
push r31
|
||||
|
||||
mov r31, 80
|
||||
movz.8 r0, ' '
|
||||
mov r1, 0
|
||||
mov r2, 0
|
||||
mov r3, 0xFF000000
|
||||
mov r4, 0xFFFFFFFF
|
||||
mov r5, 30
|
||||
clear_menu_bar_loop:
|
||||
call draw_font_tile_to_overlay
|
||||
add r1, 8
|
||||
loop clear_menu_bar_loop
|
||||
|
||||
pop r31
|
||||
pop r5
|
||||
pop r4
|
||||
pop r3
|
||||
pop r2
|
||||
pop r1
|
||||
pop r0
|
||||
ret
|
||||
|
||||
|
||||
; draw root menu bar items
|
||||
; inputs:
|
||||
; r0: pointer to menu bar root struct
|
||||
; r1: selected root menu item (or 0xFFFFFFFF for none)
|
||||
; outputs:
|
||||
; none
|
||||
draw_menu_bar_root_items:
|
||||
push r0
|
||||
push r1
|
||||
push r2
|
||||
push r3
|
||||
push r4
|
||||
push r5
|
||||
push r6
|
||||
push r29
|
||||
push r30
|
||||
push r31
|
||||
|
||||
movz.8 r31, [r0] ; load number of root menu items into r31 for looping
|
||||
mov r30, r1 ; r30: number of the selected item
|
||||
mov r29, 0 ; counter of how many menu items drawn so far
|
||||
mov r6, r0
|
||||
add r6, 5 ; point to start of root menu items text pointer
|
||||
mov r1, 16 ; X = 16
|
||||
mov r2, 0 ; Y = 0
|
||||
mov r5, 30 ; overlay 30
|
||||
draw_menu_bar_root_items_loop:
|
||||
cmp r30, r29
|
||||
ifz mov r3, 0xFFFFFFFF ; foreground color: white
|
||||
ifz mov r4, 0xFF000000 ; background color: black
|
||||
ifnz mov r3, 0xFF000000 ; foreground color: black
|
||||
ifnz mov r4, 0xFFFFFFFF ; background color: white
|
||||
|
||||
; draw colored space before text
|
||||
sub r1, 8
|
||||
movz.8 r0, ' '
|
||||
call draw_font_tile_to_overlay
|
||||
add r1, 8
|
||||
|
||||
mov r0, [r6] ; get pointer to text
|
||||
inc r0 ; increment past length byte
|
||||
call draw_str_to_overlay ; draw menu item text
|
||||
|
||||
; draw colored space after text
|
||||
movz.8 r0, ' '
|
||||
call draw_font_tile_to_overlay
|
||||
|
||||
add r1, 16 ; add some space next to this menu item
|
||||
add r6, 8 ; increment pointer to text pointer
|
||||
inc r29
|
||||
loop draw_menu_bar_root_items_loop
|
||||
|
||||
pop r31
|
||||
pop r30
|
||||
pop r29
|
||||
pop r6
|
||||
pop r5
|
||||
pop r4
|
||||
pop r3
|
||||
pop r2
|
||||
pop r1
|
||||
pop r0
|
||||
ret
|
||||
|
||||
; handle menu bar click
|
||||
; inputs:
|
||||
; r0: pointer to menu bar root struct
|
||||
; r1: X position where the menu bar was clicked
|
||||
; outputs:
|
||||
; none
|
||||
menu_bar_click_event:
|
||||
push r0
|
||||
push r1
|
||||
push r2
|
||||
push r3
|
||||
push r4
|
||||
push r5
|
||||
push r6
|
||||
push r7
|
||||
push r28
|
||||
push r29
|
||||
push r30
|
||||
push r31
|
||||
|
||||
; move the X coordinate to r3
|
||||
mov r3, r1
|
||||
push r0
|
||||
; the user might've clicked on a root menu item, check to see if they did and what button they clicked
|
||||
movz.8 r31, [r0] ; load number of root menu items into r31 for looping
|
||||
mov r30, 0 ; use r30 as an incrementing counter of menu item lengths calculated so far
|
||||
mov r29, 16 ; use r29 as the starting X coord of the current menu item
|
||||
;mov r28, 0 ; use r28 as the ending X coord of the current menu item
|
||||
mov r4, r0
|
||||
add r4, 5 ; point to start of root menu items text pointer
|
||||
menu_bar_click_event_loop:
|
||||
mov r0, [r4] ; get pointer to text
|
||||
movz.8 r1, [r0] ; get length byte
|
||||
mul r1, 8 ; calculate the length in pixels
|
||||
mov r28, r1
|
||||
add r28, r29 ; use r28 as the ending X coord of the current menu item
|
||||
mov r2, r1
|
||||
; now we need to check if the mouse's X coord is between the values of r29 and r28
|
||||
; if carry flag is set, value is less than
|
||||
; if carry flag is clear, value is greater than or equal to
|
||||
mov r1, r3
|
||||
; this is a trick to check if a value is within a certain range
|
||||
; see https://stackoverflow.com/questions/5196527/double-condition-checking-in-assembly for info
|
||||
sub r1, r29
|
||||
sub r28, r29
|
||||
cmp r28, r1
|
||||
ifnc jmp menu_bar_click_event_found_item
|
||||
inc r30 ; increment counter of menu item lengths calculated so far
|
||||
add r29, r2 ; add the size in pixels of the current root menu item to the counter
|
||||
add r29, 16 ; add 16 pixels to account for the space between the menu items
|
||||
add r4, 8 ; increment pointer to text pointer
|
||||
loop menu_bar_click_event_loop
|
||||
; if we reach this point, then the user didn't click on any root menu items
|
||||
; redraw the root menu items without anything selected
|
||||
pop r0
|
||||
;mov r1, 0xFFFFFFFF
|
||||
;call draw_menu_bar_root_items ; close_menu already calls this
|
||||
call close_menu
|
||||
jmp menu_bar_click_event_end
|
||||
menu_bar_click_event_found_item:
|
||||
; r30 contains the clicked root menu item (starting at 0)
|
||||
pop r0
|
||||
mov r1, r30
|
||||
mov r2, 0xFFFFFFFF
|
||||
call draw_menu_bar_root_items
|
||||
call draw_menu_items
|
||||
|
||||
; add a menu_update_event_type event to the event queue
|
||||
mov r1, r0 ; event parameter 0: pointer to menu bar root struct
|
||||
mov r2, r30 ; event parameter 1: selected root menu item
|
||||
mov r3, 0xFFFFFFFF ; event parameter 2: hovering menu item (or 0xFFFFFFFF for none)
|
||||
mov r4, 0
|
||||
mov r5, 0
|
||||
mov r6, 0
|
||||
mov r7, 0
|
||||
mov r0, MENU_UPDATE_EVENT_TYPE
|
||||
call new_event
|
||||
menu_bar_click_event_end:
|
||||
pop r31
|
||||
pop r30
|
||||
pop r29
|
||||
pop r28
|
||||
pop r7
|
||||
pop r6
|
||||
pop r5
|
||||
pop r4
|
||||
pop r3
|
||||
pop r2
|
||||
pop r1
|
||||
pop r0
|
||||
ret
|
||||
|
||||
;menu_items_root:
|
||||
; data.8 3 ; number of menus
|
||||
; data.32 menu_items_file_list data.32 menu_items_file_name ; pointer to menu list, pointer to menu name
|
||||
; data.32 menu_items_edit_list data.32 menu_items_edit_name ; pointer to menu list, pointer to menu name
|
||||
; data.32 menu_items_system_list data.32 menu_items_system_name ; pointer to menu list, pointer to menu name
|
||||
;menu_items_file_name:
|
||||
; data.8 4 data.str "File" data.8 0x00 ; text length, text, null-terminator
|
||||
;menu_items_file_list:
|
||||
; data.8 2 ; number of items
|
||||
; data.8 6 ; menu width (in number of characters)
|
||||
; data.8 6 data.str "Test 1" data.8 0x00 ; text length, text, null-terminator
|
||||
; data.8 6 data.str "Test 2" data.8 0x00 ; text length, text, null-terminator
|
||||
;menu_items_edit_name:
|
||||
; data.8 4 data.str "Edit" data.8 0x00 ; text length, text, null-terminator
|
||||
;menu_items_edit_list:
|
||||
; data.8 2 ; number of items
|
||||
; data.8 6 ; menu width (in number of characters)
|
||||
; data.8 6 data.str "Test 3" data.8 0x00 ; text length, text, null-terminator
|
||||
; data.8 6 data.str "Test 4" data.8 0x00 ; text length, text, null-terminator
|
||||
;menu_items_system_name:
|
||||
; data.8 6 data.str "System" data.8 0x00 ; text length, text, null-terminator
|
||||
;menu_items_system_list:
|
||||
; data.8 4 ; number of items
|
||||
; data.8 6 ; menu width (in number of characters)
|
||||
; data.8 6 data.str "Test 5" data.8 0x00 ; text length, text, null-terminator
|
||||
; data.8 6 data.str "Test 6" data.8 0x00 ; text length, text, null-terminator
|
||||
; data.8 6 data.str "Test 7" data.8 0x00 ; text length, text, null-terminator
|
||||
; data.8 6 data.str "Test 8" data.8 0x00 ; text length, text, null-terminator
|
||||
|
|
@ -65,7 +65,7 @@ mouse_update:
|
|||
cmp r1, 17
|
||||
ifc jmp mouse_update_menu_was_clicked
|
||||
|
||||
; if a submenu is open, don't push a click event
|
||||
; if a menu is open, don't push a click event
|
||||
; this is hacky as fuck
|
||||
in r3, 0x8000031D ; overlay 29: enable status
|
||||
cmp r3, 0
|
||||
|
|
|
|||
269
submenu.asm
269
submenu.asm
|
|
@ -1,269 +0,0 @@
|
|||
; submenu routines
|
||||
|
||||
; draw submenu items
|
||||
; inputs:
|
||||
; r0: pointer to menu bar root struct
|
||||
; r1: selected root menu item
|
||||
; r2: hovering submenu item (or 0xFFFFFFFF for none)
|
||||
; outputs:
|
||||
; none
|
||||
draw_submenu_items:
|
||||
push r0
|
||||
push r1
|
||||
push r2
|
||||
push r3
|
||||
push r4
|
||||
push r5
|
||||
push r6
|
||||
push r7
|
||||
push r8
|
||||
push r29
|
||||
push r30
|
||||
push r31
|
||||
|
||||
; calculate the X position of the submenu
|
||||
mov r31, r1 ; load number of the selected item into r31 for looping
|
||||
mov r30, 16 ; X counter
|
||||
cmp r31, 0 ; we don't need to loop if this is submenu 0
|
||||
ifz jmp draw_submenu_items_calculate_x_skip
|
||||
mov r4, r0
|
||||
add r4, 5 ; point to start of root menu items text pointer
|
||||
draw_submenu_items_calculate_x_loop:
|
||||
mov r3, [r4] ; get pointer to text
|
||||
movz.8 r3, [r3] ; get text length byte
|
||||
add r3, 2 ; add 2 for the spaces on each side of the text
|
||||
mul r3, 8 ; characters are 8 pixels wide
|
||||
add r30, r3 ; add length to X counter
|
||||
add r4, 8 ; point to next text pointer
|
||||
loop draw_submenu_items_calculate_x_loop
|
||||
draw_submenu_items_calculate_x_skip:
|
||||
sub r30, 8 ; move the submenu to the left by 8 pixels
|
||||
mov.16 [OVERLAY_29_POSITION_X], r30
|
||||
|
||||
mov r31, r0
|
||||
inc r31 ; point to submenu list pointer
|
||||
mul r1, 8 ; point to the selected submenu
|
||||
add r31, r1
|
||||
mov r0, [r31] ; load submenu list pointer
|
||||
movz.8 r31, [r0] ; load number of submenu items
|
||||
mov r30, r2 ; r30: number of the hovered item
|
||||
mov r29, 0 ; counter of how many submenu items drawn so far
|
||||
|
||||
; calculate the required height for the submenu overlay
|
||||
; multiply the number of submenu items by 16 (the font is 16 pixels tall)
|
||||
mov r1, r31
|
||||
mul r1, 16
|
||||
mov.16 [OVERLAY_29_HEIGHT], r1
|
||||
|
||||
; calculate the required width for the submenu overlay
|
||||
; multiply the width by 8 (the font is 8 pixels wide)
|
||||
mov r1, r0
|
||||
inc r1
|
||||
movz.8 r1, [r1] ; load width of submenu
|
||||
mov r8, r1 ; save the width in characters in r8 for later
|
||||
mul r1, 8
|
||||
mov.16 [OVERLAY_29_WIDTH], r1
|
||||
|
||||
push r0
|
||||
|
||||
; set properties of overlay 29
|
||||
mov.16 [OVERLAY_29_POSITION_Y], 16
|
||||
mov [OVERLAY_29_FRAMEBUFFER_PTR], OVERLAY_29_FRAMEBUFFER
|
||||
mov r0, 0x8000001D ; overlay 29: position
|
||||
mov.16 r1, [OVERLAY_29_POSITION_Y]
|
||||
sla r1, 16
|
||||
mov.16 r1, [OVERLAY_29_POSITION_X]
|
||||
out r0, r1
|
||||
mov r0, 0x8000011D ; overlay 29: size
|
||||
mov.16 r1, [OVERLAY_29_HEIGHT]
|
||||
sla r1, 16
|
||||
mov.16 r1, [OVERLAY_29_WIDTH]
|
||||
out r0, r1
|
||||
mov r0, 0x8000021D ; overlay 29: framebuffer pointer
|
||||
mov r1, [OVERLAY_29_FRAMEBUFFER_PTR]
|
||||
out r0, r1
|
||||
mov r0, 0x8000031D
|
||||
out r0, 1
|
||||
|
||||
; draw empty submenu
|
||||
mov r6, r31 ; outer loop counter
|
||||
movz.8 r0, ' '
|
||||
mov r1, 0
|
||||
mov r2, 0
|
||||
mov r3, 0xFF000000
|
||||
mov r4, 0xFFFFFFFF
|
||||
mov r5, 29
|
||||
draw_empty_submenu_loop:
|
||||
mov r7, r8 ; inner loop counter
|
||||
cmp r30, r29
|
||||
ifz mov r3, 0xFFFFFFFF ; foreground color: white
|
||||
ifz mov r4, 0xFF000000 ; background color: black
|
||||
ifnz mov r3, 0xFF000000 ; foreground color: black
|
||||
ifnz mov r4, 0xFFFFFFFF ; background color: white
|
||||
draw_empty_submenu_line_loop:
|
||||
call draw_font_tile_to_overlay
|
||||
add r1, 8
|
||||
dec r7
|
||||
ifnz jmp draw_empty_submenu_line_loop
|
||||
mov r1, 0
|
||||
add r2, 16
|
||||
inc r29
|
||||
dec r6
|
||||
ifnz jmp draw_empty_submenu_loop
|
||||
mov r29, 0 ; counter of how many submenu items drawn so far
|
||||
pop r0
|
||||
|
||||
; draw submenu text
|
||||
add r0, 3 ; point to start of submenu items text
|
||||
mov r2, 0 ; Y = 0
|
||||
draw_submenu_text_loop:
|
||||
cmp r30, r29
|
||||
ifz mov r3, 0xFFFFFFFF ; foreground color: white
|
||||
ifz mov r4, 0xFF000000 ; background color: black
|
||||
ifnz mov r3, 0xFF000000 ; foreground color: black
|
||||
ifnz mov r4, 0xFFFFFFFF ; background color: white
|
||||
|
||||
mov r1, 0 ; X = 0
|
||||
call draw_str_to_overlay ; draw submenu item text
|
||||
|
||||
mov r1, r0
|
||||
dec r1 ; point to length byte of this menu item
|
||||
movz.8 r1, [r1] ; load length byte
|
||||
inc r1 ; add one to count the null-terminator
|
||||
add r0, r1 ; add length to menu item text pointer
|
||||
inc r0 ; increment past length byte
|
||||
add r2, 16 ; add 16 to Y
|
||||
inc r29
|
||||
loop draw_submenu_text_loop
|
||||
|
||||
pop r31
|
||||
pop r30
|
||||
pop r29
|
||||
pop r8
|
||||
pop r7
|
||||
pop r6
|
||||
pop r5
|
||||
pop r4
|
||||
pop r3
|
||||
pop r2
|
||||
pop r1
|
||||
pop r0
|
||||
ret
|
||||
|
||||
; hide the submenu
|
||||
; inputs:
|
||||
; r0: pointer to menu bar root struct
|
||||
; outputs:
|
||||
; none
|
||||
close_submenu:
|
||||
push r1
|
||||
|
||||
; disable overlay 29
|
||||
mov r1, 0x8000031D
|
||||
out r1, 0
|
||||
|
||||
mov r1, 0xFFFFFFFF
|
||||
call draw_menu_bar_root_items
|
||||
|
||||
pop r1
|
||||
ret
|
||||
|
||||
; update the currently open submenu
|
||||
; detects mouse movements over the submenu and handles clicks
|
||||
; this should only be called if a submenu_update_event_type event is received
|
||||
; inputs:
|
||||
; *** these inputs should already be in the required registers from the event parameters ***
|
||||
; r1: pointer to menu bar root struct
|
||||
; r2: selected root menu item
|
||||
; r3: hovering submenu item (or 0xFFFFFFFF for none)
|
||||
; outputs:
|
||||
; none
|
||||
; the event is added back into the event queue if the submenu is still open
|
||||
submenu_update_event:
|
||||
push r0
|
||||
push r1
|
||||
push r2
|
||||
push r3
|
||||
push r4
|
||||
push r5
|
||||
push r6
|
||||
push r7
|
||||
push r8
|
||||
push r9
|
||||
|
||||
mov r8, r1 ; r8: pointer to menu bar root struct
|
||||
mov r9, r2 ; r9: selected root menu item
|
||||
mov r10, r3 ; r10: hovering submenu item (or 0xFFFFFFFF for none)
|
||||
|
||||
; check if the submenu overlay is enabled
|
||||
; if the submenu was closed then exit without readding the update event to the event queue
|
||||
in r0, 0x8000031D
|
||||
cmp r0, 0
|
||||
ifz jmp submenu_update_event_end_no_add
|
||||
|
||||
; get the current mouse position and check if the submenu overlay covers that position
|
||||
; if the mouse is not in the submenu, then there is nothing to do
|
||||
call get_mouse_position
|
||||
mov r2, 29
|
||||
call check_if_enabled_overlay_covers_position
|
||||
ifnz jmp submenu_update_event_end_add
|
||||
|
||||
; make the mouse position relative to the submenu overlay
|
||||
mov r2, 29
|
||||
call make_coordinates_relative_to_overlay
|
||||
|
||||
; if the currently hovered item is different than the hovered item in the event parameters,
|
||||
; then redraw the submenu with correct hovered item
|
||||
div r1, 16 ; mouse Y / 16
|
||||
cmp r1, r10 ; compare the currently hovered item to the hovered item in event parameter 2
|
||||
ifz jmp submenu_update_event_no_redraw
|
||||
mov r10, r1 ; set the hovering item to the currently hovering item
|
||||
mov r2, r1
|
||||
mov r1, r9
|
||||
mov r0, r8
|
||||
call draw_submenu_items
|
||||
submenu_update_event_no_redraw:
|
||||
; check the mouse held bit
|
||||
; this is kinda hacky but it works
|
||||
call get_mouse_button
|
||||
bts r0, 1
|
||||
ifnz jmp submenu_update_event_clicked
|
||||
|
||||
jmp submenu_update_event_end_add
|
||||
submenu_update_event_clicked:
|
||||
;div r2, 16 ; mouse Y / 16
|
||||
mov r1, r8 ; event parameter 0: pointer to menu bar root struct
|
||||
mov r2, r9 ; event parameter 1: selected root menu item
|
||||
mov r3, r10 ; event parameter 2: selected submenu item
|
||||
mov r4, 0
|
||||
mov r5, 0
|
||||
mov r6, 0
|
||||
mov r7, 0
|
||||
mov r0, SUBMENU_CLICK_EVENT_TYPE
|
||||
call new_event
|
||||
mov r0, r1
|
||||
call close_submenu
|
||||
jmp submenu_update_event_end_no_add
|
||||
submenu_update_event_end_add:
|
||||
; readd the submenu_update_event_type event to the event queue
|
||||
mov r1, r8 ; event parameter 0: pointer to menu bar root struct
|
||||
mov r2, r9 ; event parameter 1: selected root menu item
|
||||
mov r3, r10 ; event parameter 2: hovering submenu item (or 0xFFFFFFFF for none)
|
||||
mov r4, 0
|
||||
mov r5, 0
|
||||
mov r6, 0
|
||||
mov r7, 0
|
||||
mov r0, SUBMENU_UPDATE_EVENT_TYPE
|
||||
call new_event
|
||||
submenu_update_event_end_no_add:
|
||||
pop r9
|
||||
pop r8
|
||||
pop r7
|
||||
pop r6
|
||||
pop r5
|
||||
pop r4
|
||||
pop r3
|
||||
pop r2
|
||||
pop r1
|
||||
pop r0
|
||||
ret
|
||||
Loading…
Reference in New Issue
Block a user