Implement clickable icon on desktop
This commit is contained in:
Juhani Krekelä
parent
b0cebaee4b
commit
59535b12f9
194
shell.asm
194
shell.asm
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@ -7,6 +7,8 @@ struc window
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.x resw 1
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.y resw 1
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.data resw 1
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.icon resb 1
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.mouse_released_inside resb 1
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.size:
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endstruc
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@ -36,39 +38,34 @@ initialize:
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xor di, di ; read
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call PONYDOS_SEG:SYS_MODIFY_SECTORS
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; Create window 1
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; Create icon for the disk on the desktop
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mov ax, cs
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add ax, 0x000
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xchg [es:GLOBAL_WINDOW_CHAIN_HEAD], ax
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mov [windows + 0*window.size + window.next], ax
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mov word [windows + 0*window.size + window.width], 16
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mov word [windows + 0*window.size + window.height], 4
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mov word [windows + 0*window.size + window.x], 10
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mov word [windows + 0*window.size + window.y], 3
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mov word [windows + 0*window.size + window.data], window_1
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mov word [windows + 0*window.size + window.width], 5
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mov word [windows + 0*window.size + window.height], 3
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mov word [windows + 0*window.size + window.x], 1
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mov word [windows + 0*window.size + window.y], 1
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mov word [windows + 0*window.size + window.data], disk_icon
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mov byte [windows + 0*window.size + window.icon], 1
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mov byte [windows + 0*window.size + window.mouse_released_inside], 0
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; Create window 2
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mov ax, cs
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add ax, 0x001
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xchg [es:GLOBAL_WINDOW_CHAIN_HEAD], ax
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mov [windows + 1*window.size + window.next], ax
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; Initialize file window but don't show it
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mov word [windows + 1*window.size + window.width], 40
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mov word [windows + 1*window.size + window.height], 4
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mov word [windows + 1*window.size + window.x], 14
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mov word [windows + 1*window.size + window.y], 6
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mov word [windows + 1*window.size + window.data], window_2
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mov word [windows + 1*window.size + window.data], file_window
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mov byte [windows + 1*window.size + window.icon], 0
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mov byte [windows + 1*window.size + window.mouse_released_inside], 0
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call request_redraw
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; Temporary testing
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mov ax, cs
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mov es, ax
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mov di, window_1 + 32
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mov cx, 3
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mov dx, 16
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call print_ls
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mov di, window_2 + 80
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mov di, file_window + 80
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mov cx, 3
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mov dx, 40
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call print_ls
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@ -124,6 +121,11 @@ process_event:
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pop bx
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retf
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; in:
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; al = WM_PAINT
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; bx = window ID
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; out:
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; trashes everything
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paint:
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call get_window
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@ -141,12 +143,20 @@ paint:
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ret
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; in:
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; al = WM_MOUSE
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; bx = window ID
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; cl = X
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; ch = Y
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; dl = mouse buttons held down
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; out:
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; trashes everything
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mouse:
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call get_window
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push cx
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mov ax, bx
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push bx
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push cx
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; Y
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xor bx, bx
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@ -167,39 +177,91 @@ mouse:
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cmp [si + window.height], bx
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jle .outside
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pop bx
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mov si, [si + window.data]
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add si, 18
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test dl, MOUSE_PRIMARY
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cmp byte [si + window.mouse_released_inside], 0
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je .not_clicking
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test dl, MOUSE_PRIMARY | MOUSE_SECONDARY
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jz .not_clicking
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.clicking:
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call raise_window
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mov al, '*'
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xchg byte [si], al
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cmp al, '*'
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je .end
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call request_redraw
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jmp .end
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call click
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.not_clicking:
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mov al, ' '
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xchg byte [si], al
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cmp al, ' '
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je .end
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call request_redraw
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.end:
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pop cx
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ret
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test dl, MOUSE_PRIMARY | MOUSE_SECONDARY
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jz .not_primary_held
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.primary_held:
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mov byte [si + window.mouse_released_inside], 0
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jmp .inside
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.not_primary_held:
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mov byte [si + window.mouse_released_inside], 1
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.outside:
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pop bx
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.inside:
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pop cx
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; Use coördinates (255,255) to make sure other windows in
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; the chain don't think the cursor is inside them
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mov cx, 0xffff
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mov bx, [si + window.next]
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mov al, WM_MOUSE
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call forward_event
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ret
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.outside:
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mov byte [si + window.mouse_released_inside], 0
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pop cx
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mov bx, [si + window.next]
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mov al, WM_MOUSE
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call forward_event
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ret
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; in:
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; ax = window ID
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; bx = X coördinate
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; cx = Y coördinate
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; dl = which buttons are held down
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; si = pointer to window structure
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; out:
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; trashes everything
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click:
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cmp byte [si + window.icon], 0
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je .file_window
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.icon:
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call show_file_window
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jmp .end
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.file_window:
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call raise_window
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.end:
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ret
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show_file_window:
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cmp byte [file_window_visible], 0
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jne .already_visible
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push ax
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mov ax, PONYDOS_SEG
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mov es, ax
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mov ax, cs
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add ax, 0x001
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xchg [es:GLOBAL_WINDOW_CHAIN_HEAD], ax
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mov [windows + 1*window.size + window.next], ax
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pop ax
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mov byte [file_window_visible], 1
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call request_redraw
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.already_visible:
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ret
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; in:
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; al = WM_KEYBOARD
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; bx = window ID
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; cl = typed character
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; cl = typed key
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; out:
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; trashes everything
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keyboard:
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call get_window
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mov si, [si + window.data]
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@ -208,6 +270,14 @@ keyboard:
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call request_redraw
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ret
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; in:
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; al = WM_UNHOOK
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; bx = window ID
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; cx = window to unhook
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; out:
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; ax = own ID if not the window to unhook
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; next ID if the window to unhook
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; trashes everything else
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unhook:
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call get_window
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@ -292,23 +362,29 @@ unhook_window:
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ret
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; in:
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; bx = window ID to raise
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; ax = window ID to raise
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raise_window:
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push cx
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push si
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push es
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call get_window
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mov cx, bx
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call unhook_window
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mov cx, PONYDOS_SEG
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mov es, cx
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mov cx, bx
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cmp [es:GLOBAL_WINDOW_CHAIN_HEAD], ax
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je .already_top
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call get_window
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mov cx, ax
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call unhook_window
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xchg [es:GLOBAL_WINDOW_CHAIN_HEAD], cx
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mov [si + window.next], cx
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call request_redraw
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.already_top:
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pop es
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pop si
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pop cx
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@ -504,16 +580,16 @@ wallpaper_name db 'ponydos.wall', 0
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%include "debug.inc"
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window_1:
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db 'W', 0x0f, 'i', 0x0f, 'n', 0x0f, 'd', 0x0f, 'o', 0x0f, 'w', 0x0f, ' ', 0x0f, '1', 0x0f
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times 8 db ' ', 0x0f
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times 16 db ' ', 0xf0
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times 16 db ' ', 0xf0
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times 16 db ' ', 0xf0
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file_window_visible db 0
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window_2:
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db 'W', 0x0f, 'i', 0x0f, 'n', 0x0f, 'd', 0x0f, 'o', 0x0f, 'w', 0x0f, ' ', 0x0f, '2', 0x0f
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times 32 db ' ', 0x0f
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disk_icon:
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db 0x00, 0x0f, 0x00, 0x0f, 0x00, 0x0f, 0x00, 0x0f, 0x00, 0x0f
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db 0x00, 0x0f, 0x00, 0x0f, 0x09, 0x0f, 0x00, 0x0f, 0x00, 0x0f
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db 0x00, 0x0f, 0x00, 0x0f, '|', 0x0f, 0x00, 0x0f, 0x00, 0x0f
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file_window:
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db 'A', 0x0f, ':', 0x0f
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times 38 db ' ', 0x0f
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times 40 db ' ', 0xf0
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times 40 db ' ', 0xf0
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times 40 db ' ', 0xf0
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