WebSVN – Kolibri OS – Blame – /kernel/branches/Kolibri-A/trunk/gui/mouse.inc

Rev	Author	Line No.	Line
1689	art_zh	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		2	;; ;;
		3	;; Copyright (C) KolibriOS team 2010. All rights reserved. ;;
		4	;; Distributed under terms of the GNU General Public License ;;
		5	;; ;;
		6	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		7
		8	$Revision: 1532$
		9
		10	include 'mousepointer.inc'
		11
		12	;==============================================================================
		13	;///// public functions ///////////////////////////////////////////////////////
		14	;==============================================================================
		15
1859	art_zh	16	mouse.LEFT_BUTTON_FLAG = 0001b
1689	art_zh	17	mouse.RIGHT_BUTTON_FLAG = 0010b
		18	mouse.MIDDLE_BUTTON_FLAG = 0100b
		19
		20	mouse.BUTTONS_MASK = \
		21	mouse.LEFT_BUTTON_FLAG or \
		22	mouse.RIGHT_BUTTON_FLAG or \
		23	mouse.MIDDLE_BUTTON_FLAG
		24
		25	mouse.WINDOW_RESIZE_N_FLAG = 000001b
		26	mouse.WINDOW_RESIZE_W_FLAG = 000010b
		27	mouse.WINDOW_RESIZE_S_FLAG = 000100b
		28	mouse.WINDOW_RESIZE_E_FLAG = 001000b
1859	art_zh	29	mouse.WINDOW_MOVE_FLAG = 010000b
1689	art_zh	30
		31	mouse.WINDOW_RESIZE_SW_FLAG = \
		32	mouse.WINDOW_RESIZE_S_FLAG or \
		33	mouse.WINDOW_RESIZE_W_FLAG
		34	mouse.WINDOW_RESIZE_SE_FLAG = \
		35	mouse.WINDOW_RESIZE_S_FLAG or \
		36	mouse.WINDOW_RESIZE_E_FLAG
		37
		38	align 4
		39	;------------------------------------------------------------------------------
		40	mouse_check_events: ;//////////////////////////////////////////////////////////
		41	;------------------------------------------------------------------------------
		42	;? Check if mouse buttons state or cursor position has changed and call
		43	;? appropriate handlers
		44	;------------------------------------------------------------------------------
1859	art_zh	45	push eax ebx
1689	art_zh	46
1859	art_zh	47	mov al, [BTN_DOWN]
		48	mov bl, [mouse.state.buttons]
		49	and al, mouse.BUTTONS_MASK
		50	mov cl, al
		51	xchg cl, [mouse.state.buttons]
		52	xor bl, al
		53	push eax ebx
1689	art_zh	54
1859	art_zh	55	; did any mouse button changed its state?
		56	or bl, bl
		57	jz .check_position
1689	art_zh	58
1859	art_zh	59	; yes it did, is that the first button of all pressed down?
		60	or cl, cl
		61	jnz .check_buttons_released
1689	art_zh	62
1859	art_zh	63	; yes it is, activate window user is pointing at, if needed
		64	call mouse._.activate_sys_window_under_cursor
1689	art_zh	65
1859	art_zh	66	; NOTE: this code wouldn't be necessary if we knew window did
		67	; already redraw itself after call above
		68	or eax, eax
		69	jz @f
1689	art_zh	70
1859	art_zh	71	and [mouse.state.buttons], 0
		72	jmp .exit
1689	art_zh	73
1859	art_zh	74	; is there any system button under cursor?
		75	@@: call mouse._.find_sys_button_under_cursor
		76	or eax, eax
		77	jz .check_buttons_released
1689	art_zh	78
1859	art_zh	79	; yes there is, activate it and exit
		80	mov [mouse.active_sys_button.pbid], eax
		81	mov [mouse.active_sys_button.coord], ebx
		82	mov cl, [mouse.state.buttons]
		83	mov [mouse.active_sys_button.buttons], cl
		84	call sys_button_activate_handler
		85	jmp .exit
1689	art_zh	86
		87	.check_buttons_released:
1859	art_zh	88	cmp [mouse.state.buttons], 0
		89	jnz .buttons_changed
1689	art_zh	90
1859	art_zh	91	; did we press some button earlier?
		92	cmp [mouse.active_sys_button.pbid], 0
		93	je .buttons_changed
1689	art_zh	94
1859	art_zh	95	; yes we did, deactivate it
		96	xor eax, eax
		97	xchg eax, [mouse.active_sys_button.pbid]
		98	mov ebx, [mouse.active_sys_button.coord]
		99	mov cl, [mouse.active_sys_button.buttons]
		100	push eax ebx
		101	call sys_button_deactivate_handler
		102	pop edx ecx
1689	art_zh	103
1859	art_zh	104	; is the button under cursor the one we deactivated?
		105	call mouse._.find_sys_button_under_cursor
		106	cmp eax, ecx
		107	jne .exit
		108	cmp ebx, edx
		109	jne .exit
1689	art_zh	110
1859	art_zh	111	; yes it is, perform associated action
		112	mov cl, [mouse.active_sys_button.buttons]
		113	call sys_button_perform_handler
		114	jmp .exit
1689	art_zh	115
		116	.buttons_changed:
1859	art_zh	117	test byte[esp], mouse.LEFT_BUTTON_FLAG
		118	jz @f
		119	mov eax, [esp + 4]
		120	call .call_left_button_handler
1689	art_zh	121
1859	art_zh	122	@@: test byte[esp], mouse.RIGHT_BUTTON_FLAG
		123	jz @f
		124	mov eax, [esp + 4]
		125	call .call_right_button_handler
1689	art_zh	126
1859	art_zh	127	@@: test byte[esp], mouse.MIDDLE_BUTTON_FLAG
		128	jz .check_position
		129	mov eax, [esp + 4]
		130	call .call_middle_button_handler
1689	art_zh	131
		132	.check_position:
1859	art_zh	133	movzx eax, word[MOUSE_X]
		134	movzx ebx, word[MOUSE_Y]
		135	cmp eax, [mouse.state.pos.x]
		136	jne .position_changed
		137	cmp ebx, [mouse.state.pos.y]
		138	je .exit
1689	art_zh	139
		140	.position_changed:
1859	art_zh	141	xchg eax, [mouse.state.pos.x]
		142	xchg ebx, [mouse.state.pos.y]
1689	art_zh	143
1859	art_zh	144	call mouse._.move_handler
1689	art_zh	145
		146	.exit:
1859	art_zh	147	add esp, 8
		148	pop ebx eax
		149	ret
1689	art_zh	150
		151	.call_left_button_handler:
1859	art_zh	152	test eax, mouse.LEFT_BUTTON_FLAG
		153	jnz mouse._.left_button_press_handler
		154	jmp mouse._.left_button_release_handler
1689	art_zh	155
		156	.call_right_button_handler:
1859	art_zh	157	test eax, mouse.RIGHT_BUTTON_FLAG
		158	jnz mouse._.right_button_press_handler
		159	jmp mouse._.right_button_release_handler
1689	art_zh	160
		161	.call_middle_button_handler:
1859	art_zh	162	test eax, mouse.MIDDLE_BUTTON_FLAG
		163	jnz mouse._.middle_button_press_handler
		164	jmp mouse._.middle_button_release_handler
1689	art_zh	165
		166	;==============================================================================
		167	;///// private functions //////////////////////////////////////////////////////
		168	;==============================================================================
		169
		170	uglobal
		171	mouse.state:
		172	.pos POINT
		173	.buttons db ?
		174
		175	; NOTE: since there's no unique and lifetime-constant button identifiers,
		176	; we're using two dwords to identify each of them:
		177	; * pbid - process slot (high 8 bits) and button id (low 24 bits) pack
		178	; * coord - left (high 16 bits) and top (low 16 bits) coordinates pack
		179	align 4
		180	mouse.active_sys_button:
		181	.pbid dd ?
		182	.coord dd ?
		183	.buttons db ?
		184
		185	align 4
		186	mouse.active_sys_window:
1859	art_zh	187	.pslot dd ?
		188	.old_box BOX
		189	.new_box BOX
		190	.delta POINT
1689	art_zh	191	.last_ticks dd ?
1859	art_zh	192	.action db ?
1689	art_zh	193	endg
		194
		195	align 4
		196	;------------------------------------------------------------------------------
		197	mouse._.left_button_press_handler: ;///////////////////////////////////////////
		198	;------------------------------------------------------------------------------
		199	;? Called when left mouse button has been pressed down
		200	;------------------------------------------------------------------------------
1859	art_zh	201	test [mouse.state.buttons], not mouse.LEFT_BUTTON_FLAG
		202	jnz .exit
1689	art_zh	203
1859	art_zh	204	call mouse._.find_sys_window_under_cursor
		205	call mouse._.check_sys_window_actions
		206	mov [mouse.active_sys_window.action], al
		207	or eax, eax
		208	jz .exit
1689	art_zh	209
1859	art_zh	210	xchg eax, edx
		211	test dl, mouse.WINDOW_MOVE_FLAG
		212	jz @f
1689	art_zh	213
1859	art_zh	214	mov eax, [timer_ticks]
		215	mov ebx, eax
		216	xchg ebx, [mouse.active_sys_window.last_ticks]
		217	sub eax, ebx
		218	cmp eax, 50
		219	jg @f
1689	art_zh	220
1859	art_zh	221	mov [mouse.active_sys_window.last_ticks], 0
		222	call sys_window_maximize_handler
		223	jmp .exit
1689	art_zh	224
1859	art_zh	225	@@: test [edi + WDATA.fl_wstate], WSTATE_MAXIMIZED
		226	jnz .exit
		227	mov [mouse.active_sys_window.pslot], esi
		228	lea eax, [edi + WDATA.box]
		229	mov ebx, mouse.active_sys_window.old_box
		230	mov ecx, BOX.sizeof
		231	call memmove
		232	mov ebx, mouse.active_sys_window.new_box
		233	call memmove
		234	test edx, mouse.WINDOW_MOVE_FLAG
		235	jz @f
1689	art_zh	236
1859	art_zh	237	call .calculate_n_delta
		238	call .calculate_w_delta
		239	jmp .call_window_handler
1689	art_zh	240
1859	art_zh	241	@@: test dl, mouse.WINDOW_RESIZE_W_FLAG
		242	jz @f
		243	call .calculate_w_delta
1689	art_zh	244
1859	art_zh	245	@@: test dl, mouse.WINDOW_RESIZE_S_FLAG
		246	jz @f
		247	call .calculate_s_delta
1689	art_zh	248
1859	art_zh	249	@@: test dl, mouse.WINDOW_RESIZE_E_FLAG
		250	jz .call_window_handler
		251	call .calculate_e_delta
1689	art_zh	252
		253	.call_window_handler:
1859	art_zh	254	mov eax, mouse.active_sys_window.old_box
		255	call sys_window_start_moving_handler
1689	art_zh	256
		257	.exit:
1859	art_zh	258	ret
1689	art_zh	259
		260	.calculate_n_delta:
1859	art_zh	261	mov eax, [mouse.state.pos.y]
		262	sub eax, [mouse.active_sys_window.old_box.top]
		263	mov [mouse.active_sys_window.delta.y], eax
		264	ret
1689	art_zh	265
		266	.calculate_w_delta:
1859	art_zh	267	mov eax, [mouse.state.pos.x]
		268	sub eax, [mouse.active_sys_window.old_box.left]
		269	mov [mouse.active_sys_window.delta.x], eax
		270	ret
1689	art_zh	271
		272	.calculate_s_delta:
1859	art_zh	273	mov eax, [mouse.active_sys_window.old_box.top]
		274	add eax, [mouse.active_sys_window.old_box.height]
		275	sub eax, [mouse.state.pos.y]
		276	mov [mouse.active_sys_window.delta.y], eax
		277	ret
1689	art_zh	278
		279	.calculate_e_delta:
1859	art_zh	280	mov eax, [mouse.active_sys_window.old_box.left]
		281	add eax, [mouse.active_sys_window.old_box.width]
		282	sub eax, [mouse.state.pos.x]
		283	mov [mouse.active_sys_window.delta.x], eax
		284	ret
1689	art_zh	285
		286	align 4
		287	;------------------------------------------------------------------------------
		288	mouse._.left_button_release_handler: ;/////////////////////////////////////////
		289	;------------------------------------------------------------------------------
		290	;? Called when left mouse button has been released
		291	;------------------------------------------------------------------------------
1859	art_zh	292	xor esi, esi
		293	xchg esi, [mouse.active_sys_window.pslot]
		294	or esi, esi
		295	jz .exit
1689	art_zh	296
1859	art_zh	297	mov eax, esi
		298	shl eax, 5
		299	add eax, window_data + WDATA.box
		300	mov ebx, mouse.active_sys_window.old_box
		301	mov ecx, BOX.sizeof
		302	call memmove
1689	art_zh	303
1859	art_zh	304	mov eax, mouse.active_sys_window.old_box
		305	mov ebx, mouse.active_sys_window.new_box
		306	call sys_window_end_moving_handler
1689	art_zh	307
		308	.exit:
1859	art_zh	309	ret
1689	art_zh	310
		311	align 4
		312	;------------------------------------------------------------------------------
		313	mouse._.right_button_press_handler: ;//////////////////////////////////////////
		314	;------------------------------------------------------------------------------
		315	;? Called when right mouse button has been pressed down
		316	;------------------------------------------------------------------------------
1859	art_zh	317	test [mouse.state.buttons], not mouse.RIGHT_BUTTON_FLAG
		318	jnz .exit
1689	art_zh	319
1859	art_zh	320	call mouse._.find_sys_window_under_cursor
		321	call mouse._.check_sys_window_actions
		322	test al, mouse.WINDOW_MOVE_FLAG
		323	jz .exit
1689	art_zh	324
1859	art_zh	325	call sys_window_rollup_handler
1689	art_zh	326
		327	.exit:
1859	art_zh	328	ret
1689	art_zh	329
		330	align 4
		331	;------------------------------------------------------------------------------
		332	mouse._.right_button_release_handler: ;////////////////////////////////////////
		333	;------------------------------------------------------------------------------
		334	;? Called when right mouse button has been released
		335	;------------------------------------------------------------------------------
1859	art_zh	336	ret
1689	art_zh	337
		338	align 4
		339	;------------------------------------------------------------------------------
		340	mouse._.middle_button_press_handler: ;/////////////////////////////////////////
		341	;------------------------------------------------------------------------------
		342	;? Called when middle mouse button has been pressed down
		343	;------------------------------------------------------------------------------
1859	art_zh	344	ret
1689	art_zh	345
		346	align 4
		347	;------------------------------------------------------------------------------
		348	mouse._.middle_button_release_handler: ;///////////////////////////////////////
		349	;------------------------------------------------------------------------------
		350	;? Called when middle mouse button has been released
		351	;------------------------------------------------------------------------------
1859	art_zh	352	ret
1689	art_zh	353
		354	align 4
		355	;------------------------------------------------------------------------------
		356	mouse._.move_handler: ;////////////////////////////////////////////////////////
		357	;------------------------------------------------------------------------------
		358	;? Called when cursor has been moved
		359	;------------------------------------------------------------------------------
		360	;> eax = old x coord
		361	;> ebx = old y coord
		362	;------------------------------------------------------------------------------
1859	art_zh	363	cmp [mouse.active_sys_button.pbid], 0
		364	jnz .exit
1689	art_zh	365
1859	art_zh	366	mov esi, [mouse.active_sys_window.pslot]
		367	or esi, esi
		368	jz .exit
1689	art_zh	369
1859	art_zh	370	mov eax, mouse.active_sys_window.new_box
		371	mov ebx, mouse.active_sys_window.old_box
		372	mov ecx, BOX.sizeof
		373	call memmove
1689	art_zh	374
1859	art_zh	375	mov dl, [mouse.active_sys_window.action]
		376	test dl, mouse.WINDOW_MOVE_FLAG
		377	jz .check_resize_w
1689	art_zh	378
1859	art_zh	379	mov eax, [mouse.state.pos.x]
		380	sub eax, [mouse.active_sys_window.delta.x]
		381	and al, 0xFC ; <<<<<<<<<<<<<<<<<<<
		382	mov [mouse.active_sys_window.new_box.left], eax
		383	mov eax, [mouse.state.pos.y]
		384	sub eax, [mouse.active_sys_window.delta.y]
		385	and al, 0xFE ; <<<<<<<<<<<<<<<<<<<
		386	mov [mouse.active_sys_window.new_box.top], eax
1689	art_zh	387
1859	art_zh	388	mov eax, [mouse.active_sys_window.new_box.left]
		389	or eax, eax
		390	jge @f
		391	xor eax, eax
		392	mov [mouse.active_sys_window.new_box.left], eax
		393	@@: add eax, [mouse.active_sys_window.new_box.width]
		394	cmp eax, [Screen_Max_X]
		395	jl @f
		396	sub eax, [Screen_Max_X]
		397	sub [mouse.active_sys_window.new_box.left], eax
		398	@@: mov eax, [mouse.active_sys_window.new_box.top]
		399	or eax, eax
		400	jge @f
		401	xor eax, eax
		402	mov [mouse.active_sys_window.new_box.top], eax
		403	@@: add eax, [mouse.active_sys_window.new_box.height]
		404	cmp eax, [Screen_Max_Y]
		405	jle .call_window_handler
		406	sub eax, [Screen_Max_Y]
		407	sub [mouse.active_sys_window.new_box.top], eax
		408	jmp .call_window_handler
1689	art_zh	409
		410	.check_resize_w:
1859	art_zh	411	test dl, mouse.WINDOW_RESIZE_W_FLAG
		412	jz .check_resize_s
1689	art_zh	413
1859	art_zh	414	mov eax, [mouse.state.pos.x]
		415	sub eax, [mouse.active_sys_window.delta.x]
		416	and al, 0xFC ; <<<<<<<<<<<<<<<<<<<
		417	mov [mouse.active_sys_window.new_box.left], eax
		418	sub eax, [mouse.active_sys_window.old_box.left]
		419	sub [mouse.active_sys_window.new_box.width], eax
1689	art_zh	420
1859	art_zh	421	mov eax, [mouse.active_sys_window.new_box.width]
		422	sub eax, 128
		423	jge @f
		424	add [mouse.active_sys_window.new_box.left], eax
		425	mov [mouse.active_sys_window.new_box.width], 128
		426	@@: mov eax, [mouse.active_sys_window.new_box.left]
		427	or eax, eax
		428	jge .check_resize_s
		429	add [mouse.active_sys_window.new_box.width], eax
		430	xor eax, eax
		431	mov [mouse.active_sys_window.new_box.left], eax
1689	art_zh	432
		433	.check_resize_s:
1859	art_zh	434	test dl, mouse.WINDOW_RESIZE_S_FLAG
		435	jz .check_resize_e
1689	art_zh	436
1859	art_zh	437	mov eax, [mouse.state.pos.y]
		438	add eax, [mouse.active_sys_window.delta.y]
		439	sub eax, [mouse.active_sys_window.old_box.top]
		440	and al, 0xFC ; <<<<<<<<<<<<<<<<<<<
		441	mov [mouse.active_sys_window.new_box.height], eax
1689	art_zh	442
1859	art_zh	443	push eax
		444	mov edi, esi
		445	shl edi, 5
		446	add edi, window_data
		447	call window._.get_rolledup_height
		448	mov ecx, eax
		449	pop eax
		450	mov eax, [mouse.active_sys_window.new_box.height]
		451	cmp eax, ecx
		452	jge @f
		453	mov eax, ecx
		454	mov [mouse.active_sys_window.new_box.height], eax
		455	@@: add eax, [mouse.active_sys_window.new_box.top]
		456	cmp eax, [Screen_Max_Y]
		457	jle .check_resize_e
		458	sub eax, [Screen_Max_Y]
		459	neg eax
		460	add [mouse.active_sys_window.new_box.height], eax
		461	mov ecx, [Screen_Max_Y]
		462	cmp ecx, eax
		463	jge .check_resize_e
		464	mov [mouse.active_sys_window.new_box.height], ecx
1689	art_zh	465
		466	.check_resize_e:
1859	art_zh	467	test dl, mouse.WINDOW_RESIZE_E_FLAG
		468	jz .call_window_handler
1689	art_zh	469
1859	art_zh	470	mov eax, [mouse.state.pos.x]
		471	add eax, [mouse.active_sys_window.delta.x]
		472	sub eax, [mouse.active_sys_window.old_box.left]
		473	and al, 0xFC ; <<<<<<<<<<<<<<<<<<<
		474	mov [mouse.active_sys_window.new_box.width], eax
1689	art_zh	475
1859	art_zh	476	mov eax, [mouse.active_sys_window.new_box.width]
		477	cmp eax, 128
		478	jge @f
		479	mov eax, 128
		480	mov [mouse.active_sys_window.new_box.width], eax
		481	@@: add eax, [mouse.active_sys_window.new_box.left]
		482	cmp eax, [Screen_Max_X]
		483	jle .call_window_handler
		484	sub eax, [Screen_Max_X]
		485	neg eax
		486	add [mouse.active_sys_window.new_box.width], eax
		487	mov ecx, [Screen_Max_X]
		488	cmp ecx, eax
		489	jge .call_window_handler
		490	mov [mouse.active_sys_window.new_box.width], ecx
1689	art_zh	491
		492	.call_window_handler:
1859	art_zh	493	mov eax, mouse.active_sys_window.old_box
		494	mov ebx, mouse.active_sys_window.new_box
1689	art_zh	495
1859	art_zh	496	push esi
		497	mov esi, mouse.active_sys_window.old_box
		498	mov edi, mouse.active_sys_window.new_box
		499	mov ecx, BOX.sizeof / 4
		500	repe
		501	cmpsd
		502	pop esi
		503	je .exit
1689	art_zh	504
1859	art_zh	505	mov [mouse.active_sys_window.last_ticks], 0
		506	call sys_window_moving_handler
1689	art_zh	507
		508	.exit:
1859	art_zh	509	ret
1689	art_zh	510
		511	align 4
		512	;------------------------------------------------------------------------------
		513	mouse._.find_sys_window_under_cursor: ;////////////////////////////////////////
		514	;------------------------------------------------------------------------------
		515	;? Find system window object which is currently visible on screen and has
		516	;? mouse cursor within its bounds
		517	;------------------------------------------------------------------------------
		518	;< esi = process slot
		519	;< edi = pointer to WDATA struct
		520	;------------------------------------------------------------------------------
1859	art_zh	521	mov esi, [Screen_Max_X]
		522	inc esi
		523	imul esi, [mouse.state.pos.y]
		524	add esi, [_WinMapAddress]
		525	add esi, [mouse.state.pos.x]
		526	movzx esi, byte[esi]
		527	mov edi, esi
		528	shl edi, 5
		529	add edi, window_data
		530	ret
1689	art_zh	531
		532	align 4
		533	;------------------------------------------------------------------------------
		534	mouse._.activate_sys_window_under_cursor: ;////////////////////////////////////
		535	;------------------------------------------------------------------------------
		536	;?
		537	;------------------------------------------------------------------------------
1859	art_zh	538	; activate and redraw window under cursor (if necessary)
		539	call mouse._.find_sys_window_under_cursor
		540	movzx esi, word[WIN_STACK + esi * 2]
		541	lea esi, [WIN_POS + esi * 2]
		542	jmp waredraw
1689	art_zh	543
		544	align 4
		545	;------------------------------------------------------------------------------
		546	mouse._.find_sys_button_under_cursor: ;////////////////////////////////////////
		547	;------------------------------------------------------------------------------
		548	;? Find system button object which is currently visible on screen and has
		549	;? mouse cursor within its bounds
		550	;------------------------------------------------------------------------------
		551	;< eax = pack[8(process slot), 24(button id)] or 0
		552	;< ebx = pack[16(button x coord), 16(button y coord)]
		553	;------------------------------------------------------------------------------
1859	art_zh	554	push ecx edx esi edi
1689	art_zh	555
1859	art_zh	556	call mouse._.find_sys_window_under_cursor
		557	mov edx, esi
1689	art_zh	558
1859	art_zh	559	; check if any process button contains cursor
		560	mov eax, [BTN_ADDR]
		561	mov ecx, [eax]
		562	imul esi, ecx, SYS_BUTTON.sizeof
		563	add esi, eax
		564	inc ecx
		565	add esi, SYS_BUTTON.sizeof
1689	art_zh	566
		567	.next_button:
1859	art_zh	568	dec ecx
		569	jz .not_found
1689	art_zh	570
1859	art_zh	571	add esi, -SYS_BUTTON.sizeof
1689	art_zh	572
1859	art_zh	573	; does it belong to our process?
		574	cmp dx, [esi + SYS_BUTTON.pslot]
		575	jne .next_button
1689	art_zh	576
1859	art_zh	577	; does it contain cursor coordinates?
		578	mov eax, [mouse.state.pos.x]
		579	sub eax, [edi + WDATA.box.left]
		580	sub ax, [esi + SYS_BUTTON.left]
		581	jl .next_button
		582	sub ax, [esi + SYS_BUTTON.width]
		583	jge .next_button
		584	mov eax, [mouse.state.pos.y]
		585	sub eax, [edi + WDATA.box.top]
		586	sub ax, [esi + SYS_BUTTON.top]
		587	jl .next_button
		588	sub ax, [esi + SYS_BUTTON.height]
		589	jge .next_button
1689	art_zh	590
1859	art_zh	591	; okay, return it
		592	shl edx, 24
		593	mov eax, dword[esi + SYS_BUTTON.id_hi - 2]
		594	mov ax, [esi + SYS_BUTTON.id_lo]
		595	and eax, 0x0ffffff
		596	or eax, edx
		597	mov ebx, dword[esi + SYS_BUTTON.left - 2]
		598	mov bx, [esi + SYS_BUTTON.top]
		599	jmp .exit
1689	art_zh	600
		601	.not_found:
1859	art_zh	602	xor eax, eax
		603	xor ebx, ebx
1689	art_zh	604
		605	.exit:
1859	art_zh	606	pop edi esi edx ecx
		607	ret
1689	art_zh	608
		609	align 4
		610	;------------------------------------------------------------------------------
		611	mouse._.check_sys_window_actions: ;////////////////////////////////////////////
		612	;------------------------------------------------------------------------------
		613	;?
		614	;------------------------------------------------------------------------------
		615	;< eax = action flags or 0
		616	;------------------------------------------------------------------------------
1859	art_zh	617	; is window movable?
		618	test byte[edi + WDATA.cl_titlebar + 3], 0x01
		619	jnz .no_action
1689	art_zh	620
1859	art_zh	621	mov eax, [mouse.state.pos.x]
		622	mov ebx, [mouse.state.pos.y]
		623	sub eax, [edi + WDATA.box.left]
		624	sub ebx, [edi + WDATA.box.top]
1689	art_zh	625
1859	art_zh	626	; is there a window titlebar under cursor?
		627	push eax
		628	call window._.get_titlebar_height
		629	cmp ebx, eax
		630	pop eax
		631	jl .move_action
1689	art_zh	632
1859	art_zh	633	; no there isn't, can it be resized then?
		634	mov dl, [edi + WDATA.fl_wstyle]
		635	and dl, 0x0f
		636	; NOTE: dangerous optimization, revise if window types changed;
		637	; this currently implies only types 2 and 3 could be resized
		638	test dl, 2
		639	jz .no_action
1689	art_zh	640
1859	art_zh	641	mov ecx, [edi + WDATA.box.width]
		642	add ecx, -window.BORDER_SIZE
		643	mov edx, [edi + WDATA.box.height]
		644	add edx, -window.BORDER_SIZE
1689	art_zh	645
1859	art_zh	646	; is it rolled up?
		647	test [edi + WDATA.fl_wstate], WSTATE_ROLLEDUP
		648	jnz .resize_w_or_e_action
1689	art_zh	649
1859	art_zh	650	cmp eax, window.BORDER_SIZE
		651	jl .resize_w_action
		652	cmp eax, ecx
		653	jg .resize_e_action
		654	cmp ebx, edx
		655	jle .no_action
1689	art_zh	656
		657	.resize_s_action:
1859	art_zh	658	cmp eax, window.BORDER_SIZE + 10
		659	jl .resize_sw_action
		660	add ecx, -10
		661	cmp eax, ecx
		662	jge .resize_se_action
		663	mov eax, mouse.WINDOW_RESIZE_S_FLAG
		664	jmp .exit
1689	art_zh	665
		666	.resize_w_or_e_action:
1859	art_zh	667	cmp eax, window.BORDER_SIZE + 10
		668	jl .resize_w_action.direct
		669	add ecx, -10
		670	cmp eax, ecx
		671	jg .resize_e_action.direct
		672	jmp .no_action
1689	art_zh	673
		674	.resize_w_action:
1859	art_zh	675	add edx, -10
		676	cmp ebx, edx
		677	jge .resize_sw_action
1689	art_zh	678	.resize_w_action.direct:
1859	art_zh	679	mov eax, mouse.WINDOW_RESIZE_W_FLAG
		680	jmp .exit
1689	art_zh	681
		682	.resize_e_action:
1859	art_zh	683	add edx, -10
		684	cmp ebx, edx
		685	jge .resize_se_action
1689	art_zh	686	.resize_e_action.direct:
1859	art_zh	687	mov eax, mouse.WINDOW_RESIZE_E_FLAG
		688	jmp .exit
1689	art_zh	689
		690	.resize_sw_action:
1859	art_zh	691	mov eax, mouse.WINDOW_RESIZE_SW_FLAG
		692	jmp .exit
1689	art_zh	693
		694	.resize_se_action:
1859	art_zh	695	mov eax, mouse.WINDOW_RESIZE_SE_FLAG
		696	jmp .exit
1689	art_zh	697
		698	.move_action:
1859	art_zh	699	mov eax, mouse.WINDOW_MOVE_FLAG
		700	jmp .exit
1689	art_zh	701
		702	.no_action:
1859	art_zh	703	xor eax, eax
1689	art_zh	704
		705	.exit:
1859	art_zh	706	ret
1710	art_zh	707
		708	diff16 "mouse code end ",0,$
1859	art_zh	709	diff10 "mouse code size",mouse_check_events,$

Subversion Repositories Kolibri OS

(root)/kernel/branches/Kolibri-A/trunk/gui/mouse.inc – Rev 1898