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scroll.c
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scroll.c
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/*
* scroll.c -- scroll window
*
*/
#include "main.h"
#include "util.h"
#include <commctrl.h>
static
LRESULT start_scroll_mode(struct mode_conf *data)
{
int i;
struct scroll_window_conf *target_win_conf;
/* x and y ratio */
ctx.mode_data.scroll.x_ratio = ctx.mode_data.cur_conf->scroll_mode.x_ratio;
ctx.mode_data.scroll.y_ratio = ctx.mode_data.cur_conf->scroll_mode.y_ratio;
log_printf(LOG_LEVEL_DEBUG,
L"scroll ratio: %lf, %lf\n",
ctx.mode_data.scroll.x_ratio, ctx.mode_data.scroll.y_ratio);
/* target window */
ctx.mode_data.scroll.target =
get_window_for_mouse_input(ctx.mode_data.start_pt);
if(ctx.mode_data.scroll.target == NULL) {
log_printf(LOG_LEVEL_DEBUG, L"target window not found\n");
return 0;
}
log_printf(LOG_LEVEL_DEBUG,
L"target HWND: %p\n",
ctx.mode_data.scroll.target);
/* hierarchical window class/title */
ctx.mode_data.scroll.class = NULL;
ctx.mode_data.scroll.title = NULL;
get_hierarchial_window_class_title(ctx.mode_data.scroll.target,
&ctx.mode_data.scroll.class,
&ctx.mode_data.scroll.title);
log_printf(LOG_LEVEL_DEBUG,
L"window class: %ls\n"
L"window title: %ls\n",
ctx.mode_data.scroll.class, ctx.mode_data.scroll.title);
/* search target window configuration */
{
BSTR class_re, title_re;
BSTR class, title;
class = SysAllocString(ctx.mode_data.scroll.class);
title = SysAllocString(ctx.mode_data.scroll.title);
target_win_conf = NULL;
for(i = 0; i < ctx.app_conf.window_conf_num; i++) {
class_re =
SysAllocString(ctx.app_conf.window_conf[i].class_regexp);
title_re =
SysAllocString(ctx.app_conf.window_conf[i].title_regexp);
if(ctx.app_conf.window_conf[i].class_or_title) {
if((class_re != NULL && is_regexp_match(class_re, class)) ||
(title_re != NULL && is_regexp_match(title_re, title))) {
target_win_conf = &ctx.app_conf.window_conf[i];
SysFreeString(class_re);
SysFreeString(title_re);
break;
}
} else {
if((class_re != NULL && is_regexp_match(class_re, class)) &&
(title_re != NULL && is_regexp_match(title_re, title))) {
target_win_conf = &ctx.app_conf.window_conf[i];
SysFreeString(class_re);
SysFreeString(title_re);
break;
}
}
SysFreeString(class_re);
SysFreeString(title_re);
}
SysFreeString(class);
SysFreeString(title);
if(target_win_conf == NULL) {
log_printf(LOG_LEVEL_DEBUG, L"window configuration not match\n");
return 0;
}
}
log_printf(LOG_LEVEL_DEBUG, L"match: ");
log_print_s_exp(LOG_LEVEL_DEBUG, target_win_conf->regexp, 1);
/* start operator */
{
op_arg_t arg;
memset(&arg, 0, sizeof(arg));
arg.conf = target_win_conf->op->conf;
arg.arg = S_EXP_CDR(target_win_conf->args);
arg.hwnd = ctx.mode_data.scroll.target;
arg.pos = ctx.mode_data.start_pt;
if(target_win_conf->op->proc.get_context_size != NULL) {
ctx.mode_data.scroll.op_context_size =
target_win_conf->op->proc.get_context_size(&arg);
if(ctx.mode_data.scroll.op_context_size < 0) {
log_printf(LOG_LEVEL_DEBUG,
L"scroll operator: "
L"start fail (get_context_size): ");
log_print_s_exp(LOG_LEVEL_DEBUG, target_win_conf->args, 1);
return 0;
}
} else {
ctx.mode_data.scroll.op_context_size = 0;
}
ctx.mode_data.scroll.op_context =
malloc(ctx.mode_data.scroll.op_context_size);
if(ctx.mode_data.scroll.op_context == NULL) {
return 0;
}
memset(ctx.mode_data.scroll.op_context, 0,
ctx.mode_data.scroll.op_context_size);
if(target_win_conf->op->proc.init_context != NULL) {
if(target_win_conf->op->proc.init_context(
ctx.mode_data.scroll.op_context,
ctx.mode_data.scroll.op_context_size,
&arg) == 0) {
log_printf(LOG_LEVEL_DEBUG,
L"scroll operator: start fail (init_context): ");
log_print_s_exp(LOG_LEVEL_DEBUG, target_win_conf->args, 1);
return 0;
}
}
ctx.mode_data.scroll.op = target_win_conf->op;
}
log_printf(LOG_LEVEL_DEBUG, L"scroll operator: started: ");
log_print_s_exp(LOG_LEVEL_DEBUG, target_win_conf->args, 1);
return 0;
}
static
LRESULT shift_scroll_mode(struct mode_conf *data)
{
ctx.mode_data.scroll.x_ratio = ctx.mode_data.cur_conf->scroll_mode.x_ratio;
ctx.mode_data.scroll.y_ratio = ctx.mode_data.cur_conf->scroll_mode.y_ratio;
log_printf(LOG_LEVEL_DEBUG,
L"scroll ratio: %lf, %lf\n",
ctx.mode_data.scroll.x_ratio, ctx.mode_data.scroll.y_ratio);
return 0;
}
static
LRESULT end_scroll_mode(struct mode_conf *data)
{
if(ctx.mode_data.scroll.op != NULL &&
ctx.mode_data.scroll.op->proc.end_scroll != NULL) {
ctx.mode_data.scroll.op->proc.end_scroll(
ctx.mode_data.scroll.op_context);
}
ctx.mode_data.scroll.op = NULL;
if(ctx.mode_data.scroll.op_context != NULL)
free(ctx.mode_data.scroll.op_context);
ctx.mode_data.scroll.op_context = NULL;
if(ctx.mode_data.scroll.class != NULL) free(ctx.mode_data.scroll.class);
if(ctx.mode_data.scroll.title != NULL) free(ctx.mode_data.scroll.title);
ctx.mode_data.scroll.class = NULL;
ctx.mode_data.scroll.title = NULL;
return 0;
}
/* WM_MOUSEHOOK_MODECH */
LRESULT scroll_modech(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
{
struct mode_conf *data;
LRESULT ret;
ctx.mode_data.start_pt.x = (short)LOWORD(wparam);
ctx.mode_data.start_pt.y = (short)HIWORD(wparam);
data = (struct mode_conf *)lparam;
log_printf(LOG_LEVEL_DEBUG,
L"\n"
L"mode change\n"
L"mode name: %ls\n"
L"mode type: %hs\n"
L"pointer position: %ld, %ld\n",
ctx.mode_data.cur_conf->mode_name,
(data->mode == MODE_CH_SCROLL ? "scroll" : "normal"),
ctx.mode_data.start_pt.x, ctx.mode_data.start_pt.y);
switch(data->mode) {
case MODE_CH_SCROLL:
if(ctx.mode_data.cur_mode == MODE_CH_SCROLL) {
ret = shift_scroll_mode(data);
} else {
ret = start_scroll_mode(data);
}
break;
case MODE_CH_NORMAL:
ret = end_scroll_mode(data);
break;
default:
return 0;
}
ctx.mode_data.cur_mode = data->mode;
return ret;
}
/* MODE_MSG_SCROLL */
static
LRESULT scroll_modemsg_scroll(struct mode_conf *data)
{
if(ctx.mode_data.scroll.op == NULL ||
ctx.mode_data.scroll.op->proc.scroll == NULL) {
return 0;
}
{
int x, y;
MSG msg;
while(PeekMessage(&msg, ctx.main_window,
WM_MOUSEHOOK_MODECH, WM_MOUSEHOOK_MODEMSG,
PM_NOREMOVE)) {
if(msg.message != WM_MOUSEHOOK_MODEMSG) {
break;
}
x = (short)LOWORD(msg.wParam);
y = (short)HIWORD(msg.wParam);
data = (struct mode_conf *)msg.lParam;
if(data->mode != MODE_MSG_SCROLL) {
break;
}
ctx.mode_data.scroll.dx += (x - ctx.mode_data.start_pt.x) *
ctx.mode_data.scroll.x_ratio;
ctx.mode_data.scroll.dy += (y - ctx.mode_data.start_pt.y) *
ctx.mode_data.scroll.y_ratio;
/* discard */
PeekMessage(&msg, ctx.main_window,
WM_MOUSEHOOK_MODEMSG, WM_MOUSEHOOK_MODEMSG,
PM_REMOVE);
}
}
ctx.mode_data.scroll.op->proc.scroll(ctx.mode_data.scroll.op_context,
ctx.mode_data.scroll.dx,
ctx.mode_data.scroll.dy);
return 0;
}
/* MODE_MSG_MUL_RATIO */
static
LRESULT scroll_modemsg_mulratio(struct mode_conf *data)
{
ctx.mode_data.scroll.x_ratio *= data->ratio.x;
ctx.mode_data.scroll.y_ratio *= data->ratio.y;
log_printf(LOG_LEVEL_DEBUG,
L"mul scroll ratio: %lf, %lf\n",
ctx.mode_data.scroll.x_ratio, ctx.mode_data.scroll.y_ratio);
return 0;
}
/* MODE_MSG_SET_RATIO */
static
LRESULT scroll_modemsg_setratio(struct mode_conf *data)
{
ctx.mode_data.scroll.x_ratio = data->ratio.x;
ctx.mode_data.scroll.y_ratio = data->ratio.y;
log_printf(LOG_LEVEL_DEBUG,
L"set scroll ratio: %lf, %lf\n",
ctx.mode_data.scroll.x_ratio, ctx.mode_data.scroll.y_ratio);
return 0;
}
/* WM_MOUSEHOOK_MODEMSG */
LRESULT scroll_modemsg(HWND hwnd, UINT msgid, WPARAM wparam, LPARAM lparam)
{
int x, y;
struct mode_conf *data;
typedef LRESULT (*mode_proc_t)(struct mode_conf *);
mode_proc_t proc;
static struct uint_ptr_pair mode_map[] = {
{MODE_MSG_SCROLL, scroll_modemsg_scroll},
{MODE_MSG_MUL_RATIO, scroll_modemsg_mulratio},
{MODE_MSG_SET_RATIO, scroll_modemsg_setratio},
{0, NULL}
};
x = (short)LOWORD(wparam);
y = (short)HIWORD(wparam);
data = (struct mode_conf *)lparam;
if(data->mode == MODE_MSG_SCROLL) {
ctx.mode_data.scroll.dx = (x - ctx.mode_data.start_pt.x) *
ctx.mode_data.scroll.x_ratio;
ctx.mode_data.scroll.dy = (y - ctx.mode_data.start_pt.y) *
ctx.mode_data.scroll.y_ratio;
}
proc = assq_pair(mode_map, data->mode, NULL);
if(proc) {
return proc(data);
}
return 0;
}