forked from KolibriOS/kolibrios
716 lines
24 KiB
PHP
716 lines
24 KiB
PHP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2010. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision$
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include 'mousepointer.inc'
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;==============================================================================
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;///// public functions ///////////////////////////////////////////////////////
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;==============================================================================
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mouse.LEFT_BUTTON_FLAG = 0001b
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mouse.RIGHT_BUTTON_FLAG = 0010b
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mouse.MIDDLE_BUTTON_FLAG = 0100b
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mouse.BUTTONS_MASK = \
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mouse.LEFT_BUTTON_FLAG or \
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mouse.RIGHT_BUTTON_FLAG or \
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mouse.MIDDLE_BUTTON_FLAG
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mouse.WINDOW_RESIZE_N_FLAG = 000001b
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mouse.WINDOW_RESIZE_W_FLAG = 000010b
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mouse.WINDOW_RESIZE_S_FLAG = 000100b
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mouse.WINDOW_RESIZE_E_FLAG = 001000b
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mouse.WINDOW_MOVE_FLAG = 010000b
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mouse.WINDOW_RESIZE_SW_FLAG = \
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mouse.WINDOW_RESIZE_S_FLAG or \
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mouse.WINDOW_RESIZE_W_FLAG
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mouse.WINDOW_RESIZE_SE_FLAG = \
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mouse.WINDOW_RESIZE_S_FLAG or \
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mouse.WINDOW_RESIZE_E_FLAG
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align 4
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;------------------------------------------------------------------------------
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mouse_check_events: ;//////////////////////////////////////////////////////////
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;------------------------------------------------------------------------------
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;? Check if mouse buttons state or cursor position has changed and call
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;? appropriate handlers
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;------------------------------------------------------------------------------
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push eax ebx
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mov al, [BTN_DOWN]
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mov bl, [mouse.state.buttons]
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and al, mouse.BUTTONS_MASK
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mov cl, al
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xchg cl, [mouse.state.buttons]
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xor bl, al
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push eax ebx
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; did any mouse button changed its state?
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or bl, bl
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jz .check_position
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; yes it did, is that the first button of all pressed down?
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or cl, cl
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jnz .check_buttons_released
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; yes it is, activate window user is pointing at, if needed
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call mouse._.activate_sys_window_under_cursor
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; NOTE: this code wouldn't be necessary if we knew window did
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; already redraw itself after call above
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or eax, eax
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jz @f
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and [mouse.state.buttons], 0
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jmp .exit
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; is there any system button under cursor?
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@@:
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call mouse._.find_sys_button_under_cursor
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or eax, eax
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jz .check_buttons_released
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; yes there is, activate it and exit
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mov [mouse.active_sys_button.pbid], eax
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mov [mouse.active_sys_button.coord], ebx
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mov cl, [mouse.state.buttons]
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mov [mouse.active_sys_button.buttons], cl
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call sys_button_activate_handler
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jmp .exit
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.check_buttons_released:
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cmp [mouse.state.buttons], 0
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jnz .buttons_changed
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; did we press some button earlier?
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cmp [mouse.active_sys_button.pbid], 0
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je .buttons_changed
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; yes we did, deactivate it
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xor eax, eax
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xchg eax, [mouse.active_sys_button.pbid]
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mov ebx, [mouse.active_sys_button.coord]
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mov cl, [mouse.active_sys_button.buttons]
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push eax ebx
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call sys_button_deactivate_handler
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pop edx ecx
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; is the button under cursor the one we deactivated?
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call mouse._.find_sys_button_under_cursor
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cmp eax, ecx
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jne .exit
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cmp ebx, edx
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jne .exit
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; yes it is, perform associated action
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mov cl, [mouse.active_sys_button.buttons]
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call sys_button_perform_handler
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jmp .exit
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.buttons_changed:
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test byte[esp], mouse.LEFT_BUTTON_FLAG
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jz @f
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mov eax, [esp + 4]
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call .call_left_button_handler
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@@:
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test byte[esp], mouse.RIGHT_BUTTON_FLAG
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jz @f
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mov eax, [esp + 4]
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call .call_right_button_handler
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@@:
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test byte[esp], mouse.MIDDLE_BUTTON_FLAG
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jz .check_position
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mov eax, [esp + 4]
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call .call_middle_button_handler
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.check_position:
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movzx eax, word[MOUSE_X]
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movzx ebx, word[MOUSE_Y]
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cmp eax, [mouse.state.pos.x]
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jne .position_changed
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cmp ebx, [mouse.state.pos.y]
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je .exit
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.position_changed:
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xchg eax, [mouse.state.pos.x]
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xchg ebx, [mouse.state.pos.y]
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call mouse._.move_handler
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.exit:
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add esp, 8
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pop ebx eax
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ret
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.call_left_button_handler:
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test eax, mouse.LEFT_BUTTON_FLAG
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jnz mouse._.left_button_press_handler
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jmp mouse._.left_button_release_handler
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.call_right_button_handler:
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test eax, mouse.RIGHT_BUTTON_FLAG
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jnz mouse._.right_button_press_handler
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jmp mouse._.right_button_release_handler
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.call_middle_button_handler:
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test eax, mouse.MIDDLE_BUTTON_FLAG
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jnz mouse._.middle_button_press_handler
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jmp mouse._.middle_button_release_handler
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;==============================================================================
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;///// private functions //////////////////////////////////////////////////////
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;==============================================================================
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uglobal
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mouse.state:
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.pos POINT
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.buttons db ?
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; NOTE: since there's no unique and lifetime-constant button identifiers,
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; we're using two dwords to identify each of them:
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; * pbid - process slot (high 8 bits) and button id (low 24 bits) pack
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; * coord - left (high 16 bits) and top (low 16 bits) coordinates pack
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align 4
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mouse.active_sys_button:
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.pbid dd ?
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.coord dd ?
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.buttons db ?
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align 4
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mouse.active_sys_window:
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.pslot dd ?
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.old_box BOX
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.new_box BOX
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.delta POINT
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.last_ticks dd ?
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.action db ?
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endg
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align 4
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;------------------------------------------------------------------------------
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mouse._.left_button_press_handler: ;///////////////////////////////////////////
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;------------------------------------------------------------------------------
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;? Called when left mouse button has been pressed down
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;------------------------------------------------------------------------------
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test [mouse.state.buttons], not mouse.LEFT_BUTTON_FLAG
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jnz .exit
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call mouse._.find_sys_window_under_cursor
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call mouse._.check_sys_window_actions
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mov [mouse.active_sys_window.action], al
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or eax, eax
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jz .exit
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xchg eax, edx
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test dl, mouse.WINDOW_MOVE_FLAG
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jz @f
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mov eax, [timer_ticks]
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mov ebx, eax
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xchg ebx, [mouse.active_sys_window.last_ticks]
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sub eax, ebx
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cmp eax, 50
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jg @f
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mov [mouse.active_sys_window.last_ticks], 0
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call sys_window_maximize_handler
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jmp .exit
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@@:
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test [edi + WDATA.fl_wstate], WSTATE_MAXIMIZED
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jnz .exit
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mov [mouse.active_sys_window.pslot], esi
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lea eax, [edi + WDATA.box]
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mov ebx, mouse.active_sys_window.old_box
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mov ecx, BOX.sizeof
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call memmove
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mov ebx, mouse.active_sys_window.new_box
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call memmove
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test edx, mouse.WINDOW_MOVE_FLAG
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jz @f
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call .calculate_n_delta
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call .calculate_w_delta
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jmp .call_window_handler
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@@:
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test dl, mouse.WINDOW_RESIZE_W_FLAG
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jz @f
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call .calculate_w_delta
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@@:
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test dl, mouse.WINDOW_RESIZE_S_FLAG
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jz @f
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call .calculate_s_delta
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@@:
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test dl, mouse.WINDOW_RESIZE_E_FLAG
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jz .call_window_handler
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call .calculate_e_delta
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.call_window_handler:
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mov eax, mouse.active_sys_window.old_box
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call sys_window_start_moving_handler
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.exit:
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ret
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.calculate_n_delta:
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mov eax, [mouse.state.pos.y]
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sub eax, [mouse.active_sys_window.old_box.top]
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mov [mouse.active_sys_window.delta.y], eax
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ret
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.calculate_w_delta:
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mov eax, [mouse.state.pos.x]
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sub eax, [mouse.active_sys_window.old_box.left]
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mov [mouse.active_sys_window.delta.x], eax
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ret
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.calculate_s_delta:
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mov eax, [mouse.active_sys_window.old_box.top]
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add eax, [mouse.active_sys_window.old_box.height]
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sub eax, [mouse.state.pos.y]
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mov [mouse.active_sys_window.delta.y], eax
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ret
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.calculate_e_delta:
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mov eax, [mouse.active_sys_window.old_box.left]
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add eax, [mouse.active_sys_window.old_box.width]
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sub eax, [mouse.state.pos.x]
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mov [mouse.active_sys_window.delta.x], eax
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ret
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align 4
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;------------------------------------------------------------------------------
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mouse._.left_button_release_handler: ;/////////////////////////////////////////
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;------------------------------------------------------------------------------
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;? Called when left mouse button has been released
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;------------------------------------------------------------------------------
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xor esi, esi
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xchg esi, [mouse.active_sys_window.pslot]
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or esi, esi
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jz .exit
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mov eax, esi
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shl eax, 5
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add eax, window_data + WDATA.box
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mov ebx, mouse.active_sys_window.old_box
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mov ecx, BOX.sizeof
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call memmove
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mov eax, mouse.active_sys_window.old_box
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mov ebx, mouse.active_sys_window.new_box
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call sys_window_end_moving_handler
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.exit:
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and [mouse.active_sys_window.action], 0
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ret
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align 4
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;------------------------------------------------------------------------------
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mouse._.right_button_press_handler: ;//////////////////////////////////////////
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;------------------------------------------------------------------------------
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;? Called when right mouse button has been pressed down
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;------------------------------------------------------------------------------
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test [mouse.state.buttons], not mouse.RIGHT_BUTTON_FLAG
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jnz .exit
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call mouse._.find_sys_window_under_cursor
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call mouse._.check_sys_window_actions
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test al, mouse.WINDOW_MOVE_FLAG
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jz .exit
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call sys_window_rollup_handler
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.exit:
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ret
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align 4
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;------------------------------------------------------------------------------
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mouse._.right_button_release_handler: ;////////////////////////////////////////
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;------------------------------------------------------------------------------
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;? Called when right mouse button has been released
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;------------------------------------------------------------------------------
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ret
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align 4
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;------------------------------------------------------------------------------
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mouse._.middle_button_press_handler: ;/////////////////////////////////////////
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;------------------------------------------------------------------------------
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;? Called when middle mouse button has been pressed down
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;------------------------------------------------------------------------------
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ret
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align 4
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;------------------------------------------------------------------------------
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mouse._.middle_button_release_handler: ;///////////////////////////////////////
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;------------------------------------------------------------------------------
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;? Called when middle mouse button has been released
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;------------------------------------------------------------------------------
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ret
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align 4
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;------------------------------------------------------------------------------
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mouse._.move_handler: ;////////////////////////////////////////////////////////
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;------------------------------------------------------------------------------
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;? Called when cursor has been moved
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;------------------------------------------------------------------------------
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;> eax = old x coord
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;> ebx = old y coord
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;------------------------------------------------------------------------------
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cmp [mouse.active_sys_button.pbid], 0
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jnz .exit
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mov esi, [mouse.active_sys_window.pslot]
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or esi, esi
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jz .exit
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mov eax, mouse.active_sys_window.new_box
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mov ebx, mouse.active_sys_window.old_box
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mov ecx, BOX.sizeof
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call memmove
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mov dl, [mouse.active_sys_window.action]
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test dl, mouse.WINDOW_MOVE_FLAG
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jz .check_resize_w
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mov eax, [mouse.state.pos.x]
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sub eax, [mouse.active_sys_window.delta.x]
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mov [mouse.active_sys_window.new_box.left], eax
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mov eax, [mouse.state.pos.y]
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sub eax, [mouse.active_sys_window.delta.y]
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mov [mouse.active_sys_window.new_box.top], eax
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mov eax, [mouse.active_sys_window.new_box.left]
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or eax, eax
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jge @f
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xor eax, eax
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mov [mouse.active_sys_window.new_box.left], eax
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@@:
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add eax, [mouse.active_sys_window.new_box.width]
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cmp eax, [Screen_Max_X]
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jl @f
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sub eax, [Screen_Max_X]
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sub [mouse.active_sys_window.new_box.left], eax
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@@:
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mov eax, [mouse.active_sys_window.new_box.top]
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or eax, eax
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jge @f
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xor eax, eax
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mov [mouse.active_sys_window.new_box.top], eax
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@@:
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add eax, [mouse.active_sys_window.new_box.height]
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cmp eax, [Screen_Max_Y]
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jle .call_window_handler
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sub eax, [Screen_Max_Y]
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sub [mouse.active_sys_window.new_box.top], eax
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jmp .call_window_handler
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.check_resize_w:
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test dl, mouse.WINDOW_RESIZE_W_FLAG
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jz .check_resize_s
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mov eax, [mouse.state.pos.x]
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sub eax, [mouse.active_sys_window.delta.x]
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mov [mouse.active_sys_window.new_box.left], eax
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sub eax, [mouse.active_sys_window.old_box.left]
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sub [mouse.active_sys_window.new_box.width], eax
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mov eax, [mouse.active_sys_window.new_box.width]
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sub eax, 127
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jge @f
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add [mouse.active_sys_window.new_box.left], eax
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mov [mouse.active_sys_window.new_box.width], 127
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@@:
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mov eax, [mouse.active_sys_window.new_box.left]
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or eax, eax
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jge .check_resize_s
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add [mouse.active_sys_window.new_box.width], eax
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xor eax, eax
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mov [mouse.active_sys_window.new_box.left], eax
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.check_resize_s:
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test dl, mouse.WINDOW_RESIZE_S_FLAG
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jz .check_resize_e
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mov eax, [mouse.state.pos.y]
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add eax, [mouse.active_sys_window.delta.y]
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sub eax, [mouse.active_sys_window.old_box.top]
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mov [mouse.active_sys_window.new_box.height], eax
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push eax
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mov edi, esi
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shl edi, 5
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add edi, window_data
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call window._.get_rolledup_height
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mov ecx, eax
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pop eax
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mov eax, [mouse.active_sys_window.new_box.height]
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cmp eax, ecx
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jge @f
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mov eax, ecx
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mov [mouse.active_sys_window.new_box.height], eax
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@@:
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add eax, [mouse.active_sys_window.new_box.top]
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cmp eax, [Screen_Max_Y]
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jle .check_resize_e
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sub eax, [Screen_Max_Y]
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neg eax
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add [mouse.active_sys_window.new_box.height], eax
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mov ecx, [Screen_Max_Y]
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cmp ecx, eax
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jge .check_resize_e
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mov [mouse.active_sys_window.new_box.height], ecx
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.check_resize_e:
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test dl, mouse.WINDOW_RESIZE_E_FLAG
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jz .call_window_handler
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mov eax, [mouse.state.pos.x]
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add eax, [mouse.active_sys_window.delta.x]
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sub eax, [mouse.active_sys_window.old_box.left]
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mov [mouse.active_sys_window.new_box.width], eax
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mov eax, [mouse.active_sys_window.new_box.width]
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cmp eax, 127
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jge @f
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mov eax, 127
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mov [mouse.active_sys_window.new_box.width], eax
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@@:
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add eax, [mouse.active_sys_window.new_box.left]
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cmp eax, [Screen_Max_X]
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jle .call_window_handler
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sub eax, [Screen_Max_X]
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neg eax
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add [mouse.active_sys_window.new_box.width], eax
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mov ecx, [Screen_Max_X]
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cmp ecx, eax
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jge .call_window_handler
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mov [mouse.active_sys_window.new_box.width], ecx
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.call_window_handler:
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mov eax, mouse.active_sys_window.old_box
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mov ebx, mouse.active_sys_window.new_box
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push esi
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mov esi, mouse.active_sys_window.old_box
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mov edi, mouse.active_sys_window.new_box
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mov ecx, BOX.sizeof / 4
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repe
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cmpsd
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pop esi
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je .exit
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mov [mouse.active_sys_window.last_ticks], 0
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call sys_window_moving_handler
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.exit:
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ret
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align 4
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;------------------------------------------------------------------------------
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mouse._.find_sys_window_under_cursor: ;////////////////////////////////////////
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;------------------------------------------------------------------------------
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;? Find system window object which is currently visible on screen and has
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;? mouse cursor within its bounds
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;------------------------------------------------------------------------------
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;< esi = process slot
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;< edi = pointer to WDATA struct
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;------------------------------------------------------------------------------
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mov esi, [Screen_Max_X]
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inc esi
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|
imul esi, [mouse.state.pos.y]
|
|
add esi, [_WinMapAddress]
|
|
add esi, [mouse.state.pos.x]
|
|
movzx esi, byte[esi]
|
|
mov edi, esi
|
|
shl edi, 5
|
|
add edi, window_data
|
|
ret
|
|
|
|
align 4
|
|
;------------------------------------------------------------------------------
|
|
mouse._.activate_sys_window_under_cursor: ;////////////////////////////////////
|
|
;------------------------------------------------------------------------------
|
|
;? <description>
|
|
;------------------------------------------------------------------------------
|
|
; activate and redraw window under cursor (if necessary)
|
|
call mouse._.find_sys_window_under_cursor
|
|
movzx esi, word[WIN_STACK + esi * 2]
|
|
lea esi, [WIN_POS + esi * 2]
|
|
jmp waredraw
|
|
|
|
align 4
|
|
;------------------------------------------------------------------------------
|
|
mouse._.find_sys_button_under_cursor: ;////////////////////////////////////////
|
|
;------------------------------------------------------------------------------
|
|
;? Find system button object which is currently visible on screen and has
|
|
;? mouse cursor within its bounds
|
|
;------------------------------------------------------------------------------
|
|
;< eax = pack[8(process slot), 24(button id)] or 0
|
|
;< ebx = pack[16(button x coord), 16(button y coord)]
|
|
;------------------------------------------------------------------------------
|
|
push ecx edx esi edi
|
|
|
|
call mouse._.find_sys_window_under_cursor
|
|
mov edx, esi
|
|
|
|
; check if any process button contains cursor
|
|
mov eax, [BTN_ADDR]
|
|
mov ecx, [eax]
|
|
imul esi, ecx, SYS_BUTTON.sizeof
|
|
add esi, eax
|
|
inc ecx
|
|
add esi, SYS_BUTTON.sizeof
|
|
|
|
.next_button:
|
|
dec ecx
|
|
jz .not_found
|
|
|
|
add esi, -SYS_BUTTON.sizeof
|
|
|
|
; does it belong to our process?
|
|
cmp dx, [esi + SYS_BUTTON.pslot]
|
|
jne .next_button
|
|
|
|
; does it contain cursor coordinates?
|
|
mov eax, [mouse.state.pos.x]
|
|
sub eax, [edi + WDATA.box.left]
|
|
sub ax, [esi + SYS_BUTTON.left]
|
|
jl .next_button
|
|
sub ax, [esi + SYS_BUTTON.width]
|
|
jge .next_button
|
|
mov eax, [mouse.state.pos.y]
|
|
sub eax, [edi + WDATA.box.top]
|
|
sub ax, [esi + SYS_BUTTON.top]
|
|
jl .next_button
|
|
sub ax, [esi + SYS_BUTTON.height]
|
|
jge .next_button
|
|
|
|
; okay, return it
|
|
shl edx, 24
|
|
mov eax, dword[esi + SYS_BUTTON.id_hi - 2]
|
|
mov ax, [esi + SYS_BUTTON.id_lo]
|
|
and eax, 0x0ffffff
|
|
or eax, edx
|
|
mov ebx, dword[esi + SYS_BUTTON.left - 2]
|
|
mov bx, [esi + SYS_BUTTON.top]
|
|
jmp .exit
|
|
|
|
.not_found:
|
|
xor eax, eax
|
|
xor ebx, ebx
|
|
|
|
.exit:
|
|
pop edi esi edx ecx
|
|
ret
|
|
|
|
align 4
|
|
;------------------------------------------------------------------------------
|
|
mouse._.check_sys_window_actions: ;////////////////////////////////////////////
|
|
;------------------------------------------------------------------------------
|
|
;? <description>
|
|
;------------------------------------------------------------------------------
|
|
;< eax = action flags or 0
|
|
;------------------------------------------------------------------------------
|
|
; is window movable?
|
|
test byte[edi + WDATA.cl_titlebar + 3], 0x01
|
|
jnz .no_action
|
|
|
|
mov eax, [mouse.state.pos.x]
|
|
mov ebx, [mouse.state.pos.y]
|
|
sub eax, [edi + WDATA.box.left]
|
|
sub ebx, [edi + WDATA.box.top]
|
|
|
|
; is there a window titlebar under cursor?
|
|
push eax
|
|
call window._.get_titlebar_height
|
|
cmp ebx, eax
|
|
pop eax
|
|
jl .move_action
|
|
|
|
; no there isn't, can it be resized then?
|
|
mov dl, [edi + WDATA.fl_wstyle]
|
|
and dl, 0x0f
|
|
; NOTE: dangerous optimization, revise if window types changed;
|
|
; this currently implies only types 2 and 3 could be resized
|
|
test dl, 2
|
|
jz .no_action
|
|
|
|
mov ecx, [edi + WDATA.box.width]
|
|
add ecx, -window.BORDER_SIZE
|
|
mov edx, [edi + WDATA.box.height]
|
|
add edx, -window.BORDER_SIZE
|
|
|
|
; is it rolled up?
|
|
test [edi + WDATA.fl_wstate], WSTATE_ROLLEDUP
|
|
jnz .resize_w_or_e_action
|
|
|
|
cmp eax, window.BORDER_SIZE
|
|
jl .resize_w_action
|
|
cmp eax, ecx
|
|
jg .resize_e_action
|
|
cmp ebx, edx
|
|
jle .no_action
|
|
|
|
.resize_s_action:
|
|
cmp eax, window.BORDER_SIZE + 10
|
|
jl .resize_sw_action
|
|
add ecx, -10
|
|
cmp eax, ecx
|
|
jge .resize_se_action
|
|
mov eax, mouse.WINDOW_RESIZE_S_FLAG
|
|
jmp .exit
|
|
|
|
.resize_w_or_e_action:
|
|
cmp eax, window.BORDER_SIZE + 10
|
|
jl .resize_w_action.direct
|
|
add ecx, -10
|
|
cmp eax, ecx
|
|
jg .resize_e_action.direct
|
|
jmp .no_action
|
|
|
|
.resize_w_action:
|
|
add edx, -10
|
|
cmp ebx, edx
|
|
jge .resize_sw_action
|
|
.resize_w_action.direct:
|
|
mov eax, mouse.WINDOW_RESIZE_W_FLAG
|
|
jmp .exit
|
|
|
|
.resize_e_action:
|
|
add edx, -10
|
|
cmp ebx, edx
|
|
jge .resize_se_action
|
|
.resize_e_action.direct:
|
|
mov eax, mouse.WINDOW_RESIZE_E_FLAG
|
|
jmp .exit
|
|
|
|
.resize_sw_action:
|
|
mov eax, mouse.WINDOW_RESIZE_SW_FLAG
|
|
jmp .exit
|
|
|
|
.resize_se_action:
|
|
mov eax, mouse.WINDOW_RESIZE_SE_FLAG
|
|
jmp .exit
|
|
|
|
.move_action:
|
|
mov eax, mouse.WINDOW_MOVE_FLAG
|
|
jmp .exit
|
|
|
|
.no_action:
|
|
xor eax, eax
|
|
|
|
.exit:
|
|
ret
|