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8738 lines (7763 loc) · 208 KB
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/* vi:set ts=8 sts=4 sw=4 noet:
*
* VIM - Vi IMproved by Bram Moolenaar
* GUI support by Robert Webb
*
* Do ":help uganda" in Vim to read copying and usage conditions.
* Do ":help credits" in Vim to see a list of people who contributed.
* See README.txt for an overview of the Vim source code.
*/
/*
* Windows GUI.
*
* GUI support for Microsoft Windows, aka Win32. Also for Win64.
*
* George V. Reilly <george@reilly.org> wrote the original Win32 GUI.
* Robert Webb reworked it to use the existing GUI stuff and added menu,
* scrollbars, etc.
*
* Note: Clipboard stuff, for cutting and pasting text to other windows, is in
* winclip.c. (It can also be done from the terminal version).
*
* TODO: Some of the function signatures ought to be updated for Win64;
* e.g., replace LONG with LONG_PTR, etc.
*/
#include "vim.h"
#if defined(FEAT_DIRECTX)
# include "gui_dwrite.h"
#endif
#if defined(FEAT_DIRECTX)
static DWriteContext *s_dwc = NULL;
static int s_directx_enabled = 0;
static int s_directx_load_attempted = 0;
# define IS_ENABLE_DIRECTX() (s_directx_enabled && s_dwc != NULL)
#endif
#ifdef FEAT_MENU
static int gui_mswin_get_menu_height(int fix_window);
#endif
#if defined(FEAT_DIRECTX) || defined(PROTO)
int
directx_enabled(void)
{
if (s_dwc != NULL)
return 1;
else if (s_directx_load_attempted)
return 0;
/* load DirectX */
DWrite_Init();
s_directx_load_attempted = 1;
s_dwc = DWriteContext_Open();
return s_dwc != NULL ? 1 : 0;
}
#endif
#if defined(FEAT_RENDER_OPTIONS) || defined(PROTO)
int
gui_mch_set_rendering_options(char_u *s)
{
#ifdef FEAT_DIRECTX
char_u *p, *q;
int dx_enable = 0;
int dx_flags = 0;
float dx_gamma = 0.0f;
float dx_contrast = 0.0f;
float dx_level = 0.0f;
int dx_geom = 0;
int dx_renmode = 0;
int dx_taamode = 0;
/* parse string as rendering options. */
for (p = s; p != NULL && *p != NUL; )
{
char_u item[256];
char_u name[128];
char_u value[128];
copy_option_part(&p, item, sizeof(item), ",");
if (p == NULL)
break;
q = &item[0];
copy_option_part(&q, name, sizeof(name), ":");
if (q == NULL)
return FAIL;
copy_option_part(&q, value, sizeof(value), ":");
if (STRCMP(name, "type") == 0)
{
if (STRCMP(value, "directx") == 0)
dx_enable = 1;
else
return FAIL;
}
else if (STRCMP(name, "gamma") == 0)
{
dx_flags |= 1 << 0;
dx_gamma = (float)atof((char *)value);
}
else if (STRCMP(name, "contrast") == 0)
{
dx_flags |= 1 << 1;
dx_contrast = (float)atof((char *)value);
}
else if (STRCMP(name, "level") == 0)
{
dx_flags |= 1 << 2;
dx_level = (float)atof((char *)value);
}
else if (STRCMP(name, "geom") == 0)
{
dx_flags |= 1 << 3;
dx_geom = atoi((char *)value);
if (dx_geom < 0 || dx_geom > 2)
return FAIL;
}
else if (STRCMP(name, "renmode") == 0)
{
dx_flags |= 1 << 4;
dx_renmode = atoi((char *)value);
if (dx_renmode < 0 || dx_renmode > 6)
return FAIL;
}
else if (STRCMP(name, "taamode") == 0)
{
dx_flags |= 1 << 5;
dx_taamode = atoi((char *)value);
if (dx_taamode < 0 || dx_taamode > 3)
return FAIL;
}
else
return FAIL;
}
/* Enable DirectX/DirectWrite */
if (dx_enable)
{
if (!directx_enabled())
return FAIL;
DWriteContext_SetRenderingParams(s_dwc, NULL);
if (dx_flags)
{
DWriteRenderingParams param;
DWriteContext_GetRenderingParams(s_dwc, ¶m);
if (dx_flags & (1 << 0))
param.gamma = dx_gamma;
if (dx_flags & (1 << 1))
param.enhancedContrast = dx_contrast;
if (dx_flags & (1 << 2))
param.clearTypeLevel = dx_level;
if (dx_flags & (1 << 3))
param.pixelGeometry = dx_geom;
if (dx_flags & (1 << 4))
param.renderingMode = dx_renmode;
if (dx_flags & (1 << 5))
param.textAntialiasMode = dx_taamode;
DWriteContext_SetRenderingParams(s_dwc, ¶m);
}
}
s_directx_enabled = dx_enable;
return OK;
#else
return FAIL;
#endif
}
#endif
/*
* These are new in Windows ME/XP, only defined in recent compilers.
*/
#ifndef HANDLE_WM_XBUTTONUP
# define HANDLE_WM_XBUTTONUP(hwnd, wParam, lParam, fn) \
((fn)((hwnd), (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)
#endif
#ifndef HANDLE_WM_XBUTTONDOWN
# define HANDLE_WM_XBUTTONDOWN(hwnd, wParam, lParam, fn) \
((fn)((hwnd), FALSE, (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)
#endif
#ifndef HANDLE_WM_XBUTTONDBLCLK
# define HANDLE_WM_XBUTTONDBLCLK(hwnd, wParam, lParam, fn) \
((fn)((hwnd), TRUE, (int)(short)LOWORD(lParam), (int)(short)HIWORD(lParam), (UINT)(wParam)), 0L)
#endif
#include "version.h" /* used by dialog box routine for default title */
#ifdef DEBUG
# include <tchar.h>
#endif
/* cproto fails on missing include files */
#ifndef PROTO
#ifndef __MINGW32__
# include <shellapi.h>
#endif
#if defined(FEAT_TOOLBAR) || defined(FEAT_BEVAL) || defined(FEAT_GUI_TABLINE)
# include <commctrl.h>
#endif
#include <windowsx.h>
#ifdef GLOBAL_IME
# include "glbl_ime.h"
#endif
#endif /* PROTO */
#ifdef FEAT_MENU
# define MENUHINTS /* show menu hints in command line */
#endif
/* Some parameters for dialog boxes. All in pixels. */
#define DLG_PADDING_X 10
#define DLG_PADDING_Y 10
#define DLG_OLD_STYLE_PADDING_X 5
#define DLG_OLD_STYLE_PADDING_Y 5
#define DLG_VERT_PADDING_X 4 /* For vertical buttons */
#define DLG_VERT_PADDING_Y 4
#define DLG_ICON_WIDTH 34
#define DLG_ICON_HEIGHT 34
#define DLG_MIN_WIDTH 150
#define DLG_FONT_NAME "MS Sans Serif"
#define DLG_FONT_POINT_SIZE 8
#define DLG_MIN_MAX_WIDTH 400
#define DLG_MIN_MAX_HEIGHT 400
#define DLG_NONBUTTON_CONTROL 5000 /* First ID of non-button controls */
#ifndef WM_XBUTTONDOWN /* For Win2K / winME ONLY */
# define WM_XBUTTONDOWN 0x020B
# define WM_XBUTTONUP 0x020C
# define WM_XBUTTONDBLCLK 0x020D
# define MK_XBUTTON1 0x0020
# define MK_XBUTTON2 0x0040
#endif
#ifdef PROTO
/*
* Define a few things for generating prototypes. This is just to avoid
* syntax errors, the defines do not need to be correct.
*/
# define APIENTRY
# define CALLBACK
# define CONST
# define FAR
# define NEAR
# undef _cdecl
# define _cdecl
typedef int BOOL;
typedef int BYTE;
typedef int DWORD;
typedef int WCHAR;
typedef int ENUMLOGFONT;
typedef int FINDREPLACE;
typedef int HANDLE;
typedef int HBITMAP;
typedef int HBRUSH;
typedef int HDROP;
typedef int INT;
typedef int LOGFONT[];
typedef int LPARAM;
typedef int LPCREATESTRUCT;
typedef int LPCSTR;
typedef int LPCTSTR;
typedef int LPRECT;
typedef int LPSTR;
typedef int LPWINDOWPOS;
typedef int LPWORD;
typedef int LRESULT;
typedef int HRESULT;
# undef MSG
typedef int MSG;
typedef int NEWTEXTMETRIC;
typedef int OSVERSIONINFO;
typedef int PWORD;
typedef int RECT;
typedef int UINT;
typedef int WORD;
typedef int WPARAM;
typedef int POINT;
typedef void *HINSTANCE;
typedef void *HMENU;
typedef void *HWND;
typedef void *HDC;
typedef void VOID;
typedef int LPNMHDR;
typedef int LONG;
typedef int WNDPROC;
typedef int UINT_PTR;
#endif
#ifndef GET_X_LPARAM
# define GET_X_LPARAM(lp) ((int)(short)LOWORD(lp))
#endif
static void _OnPaint( HWND hwnd);
static void clear_rect(RECT *rcp);
static WORD s_dlgfntheight; /* height of the dialog font */
static WORD s_dlgfntwidth; /* width of the dialog font */
#ifdef FEAT_MENU
static HMENU s_menuBar = NULL;
#endif
#ifdef FEAT_TEAROFF
static void rebuild_tearoff(vimmenu_T *menu);
static HBITMAP s_htearbitmap; /* bitmap used to indicate tearoff */
#endif
/* Flag that is set while processing a message that must not be interrupted by
* processing another message. */
static int s_busy_processing = FALSE;
static int destroying = FALSE; /* call DestroyWindow() ourselves */
#ifdef MSWIN_FIND_REPLACE
static UINT s_findrep_msg = 0; /* set in gui_w[16/32].c */
static FINDREPLACE s_findrep_struct;
# ifdef FEAT_MBYTE
static FINDREPLACEW s_findrep_struct_w;
# endif
static HWND s_findrep_hwnd = NULL;
static int s_findrep_is_find; /* TRUE for find dialog, FALSE
for find/replace dialog */
#endif
static HINSTANCE s_hinst = NULL;
#if !defined(FEAT_GUI)
static
#endif
HWND s_hwnd = NULL;
static HDC s_hdc = NULL;
static HBRUSH s_brush = NULL;
#ifdef FEAT_TOOLBAR
static HWND s_toolbarhwnd = NULL;
static WNDPROC s_toolbar_wndproc = NULL;
#endif
#ifdef FEAT_GUI_TABLINE
static HWND s_tabhwnd = NULL;
static WNDPROC s_tabline_wndproc = NULL;
static int showing_tabline = 0;
#endif
static WPARAM s_wParam = 0;
static LPARAM s_lParam = 0;
static HWND s_textArea = NULL;
static UINT s_uMsg = 0;
static char_u *s_textfield; /* Used by dialogs to pass back strings */
static int s_need_activate = FALSE;
/* This variable is set when waiting for an event, which is the only moment
* scrollbar dragging can be done directly. It's not allowed while commands
* are executed, because it may move the cursor and that may cause unexpected
* problems (e.g., while ":s" is working).
*/
static int allow_scrollbar = FALSE;
#ifdef GLOBAL_IME
# define MyTranslateMessage(x) global_ime_TranslateMessage(x)
#else
# define MyTranslateMessage(x) TranslateMessage(x)
#endif
#if defined(FEAT_MBYTE) || defined(GLOBAL_IME)
/* use of WindowProc depends on wide_WindowProc */
# define MyWindowProc vim_WindowProc
#else
/* use ordinary WindowProc */
# define MyWindowProc DefWindowProc
#endif
extern int current_font_height; /* this is in os_mswin.c */
static struct
{
UINT key_sym;
char_u vim_code0;
char_u vim_code1;
} special_keys[] =
{
{VK_UP, 'k', 'u'},
{VK_DOWN, 'k', 'd'},
{VK_LEFT, 'k', 'l'},
{VK_RIGHT, 'k', 'r'},
{VK_F1, 'k', '1'},
{VK_F2, 'k', '2'},
{VK_F3, 'k', '3'},
{VK_F4, 'k', '4'},
{VK_F5, 'k', '5'},
{VK_F6, 'k', '6'},
{VK_F7, 'k', '7'},
{VK_F8, 'k', '8'},
{VK_F9, 'k', '9'},
{VK_F10, 'k', ';'},
{VK_F11, 'F', '1'},
{VK_F12, 'F', '2'},
{VK_F13, 'F', '3'},
{VK_F14, 'F', '4'},
{VK_F15, 'F', '5'},
{VK_F16, 'F', '6'},
{VK_F17, 'F', '7'},
{VK_F18, 'F', '8'},
{VK_F19, 'F', '9'},
{VK_F20, 'F', 'A'},
{VK_F21, 'F', 'B'},
#ifdef FEAT_NETBEANS_INTG
{VK_PAUSE, 'F', 'B'}, /* Pause == F21 (see gui_gtk_x11.c) */
#endif
{VK_F22, 'F', 'C'},
{VK_F23, 'F', 'D'},
{VK_F24, 'F', 'E'}, /* winuser.h defines up to F24 */
{VK_HELP, '%', '1'},
{VK_BACK, 'k', 'b'},
{VK_INSERT, 'k', 'I'},
{VK_DELETE, 'k', 'D'},
{VK_HOME, 'k', 'h'},
{VK_END, '@', '7'},
{VK_PRIOR, 'k', 'P'},
{VK_NEXT, 'k', 'N'},
{VK_PRINT, '%', '9'},
{VK_ADD, 'K', '6'},
{VK_SUBTRACT, 'K', '7'},
{VK_DIVIDE, 'K', '8'},
{VK_MULTIPLY, 'K', '9'},
{VK_SEPARATOR, 'K', 'A'}, /* Keypad Enter */
{VK_DECIMAL, 'K', 'B'},
{VK_NUMPAD0, 'K', 'C'},
{VK_NUMPAD1, 'K', 'D'},
{VK_NUMPAD2, 'K', 'E'},
{VK_NUMPAD3, 'K', 'F'},
{VK_NUMPAD4, 'K', 'G'},
{VK_NUMPAD5, 'K', 'H'},
{VK_NUMPAD6, 'K', 'I'},
{VK_NUMPAD7, 'K', 'J'},
{VK_NUMPAD8, 'K', 'K'},
{VK_NUMPAD9, 'K', 'L'},
/* Keys that we want to be able to use any modifier with: */
{VK_SPACE, ' ', NUL},
{VK_TAB, TAB, NUL},
{VK_ESCAPE, ESC, NUL},
{NL, NL, NUL},
{CAR, CAR, NUL},
/* End of list marker: */
{0, 0, 0}
};
/* Local variables */
static int s_button_pending = -1;
/* s_getting_focus is set when we got focus but didn't see mouse-up event yet,
* so don't reset s_button_pending. */
static int s_getting_focus = FALSE;
static int s_x_pending;
static int s_y_pending;
static UINT s_kFlags_pending;
static UINT s_wait_timer = 0; /* Timer for get char from user */
static int s_timed_out = FALSE;
static int dead_key = 0; /* 0: no dead key, 1: dead key pressed */
#ifdef FEAT_BEVAL
/* balloon-eval WM_NOTIFY_HANDLER */
static void Handle_WM_Notify(HWND hwnd, LPNMHDR pnmh);
static void TrackUserActivity(UINT uMsg);
#endif
/*
* For control IME.
*
* These LOGFONT used for IME.
*/
#ifdef FEAT_MBYTE
# ifdef USE_IM_CONTROL
/* holds LOGFONT for 'guifontwide' if available, otherwise 'guifont' */
static LOGFONT norm_logfont;
/* holds LOGFONT for 'guifont' always. */
static LOGFONT sub_logfont;
# endif
#endif
#ifdef FEAT_MBYTE_IME
static LRESULT _OnImeNotify(HWND hWnd, DWORD dwCommand, DWORD dwData);
#endif
#if defined(FEAT_BROWSE)
static char_u *convert_filter(char_u *s);
#endif
#ifdef DEBUG_PRINT_ERROR
/*
* Print out the last Windows error message
*/
static void
print_windows_error(void)
{
LPVOID lpMsgBuf;
FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
NULL, GetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPTSTR) &lpMsgBuf, 0, NULL);
TRACE1("Error: %s\n", lpMsgBuf);
LocalFree(lpMsgBuf);
}
#endif
/*
* Cursor blink functions.
*
* This is a simple state machine:
* BLINK_NONE not blinking at all
* BLINK_OFF blinking, cursor is not shown
* BLINK_ON blinking, cursor is shown
*/
#define BLINK_NONE 0
#define BLINK_OFF 1
#define BLINK_ON 2
static int blink_state = BLINK_NONE;
static long_u blink_waittime = 700;
static long_u blink_ontime = 400;
static long_u blink_offtime = 250;
static UINT blink_timer = 0;
int
gui_mch_is_blinking(void)
{
return blink_state != BLINK_NONE;
}
int
gui_mch_is_blink_off(void)
{
return blink_state == BLINK_OFF;
}
void
gui_mch_set_blinking(long wait, long on, long off)
{
blink_waittime = wait;
blink_ontime = on;
blink_offtime = off;
}
static VOID CALLBACK
_OnBlinkTimer(
HWND hwnd,
UINT uMsg UNUSED,
UINT idEvent,
DWORD dwTime UNUSED)
{
MSG msg;
/*
TRACE2("Got timer event, id %d, blink_timer %d\n", idEvent, blink_timer);
*/
KillTimer(NULL, idEvent);
/* Eat spurious WM_TIMER messages */
while (pPeekMessage(&msg, hwnd, WM_TIMER, WM_TIMER, PM_REMOVE))
;
if (blink_state == BLINK_ON)
{
gui_undraw_cursor();
blink_state = BLINK_OFF;
blink_timer = (UINT) SetTimer(NULL, 0, (UINT)blink_offtime,
(TIMERPROC)_OnBlinkTimer);
}
else
{
gui_update_cursor(TRUE, FALSE);
blink_state = BLINK_ON;
blink_timer = (UINT) SetTimer(NULL, 0, (UINT)blink_ontime,
(TIMERPROC)_OnBlinkTimer);
}
}
static void
gui_mswin_rm_blink_timer(void)
{
MSG msg;
if (blink_timer != 0)
{
KillTimer(NULL, blink_timer);
/* Eat spurious WM_TIMER messages */
while (pPeekMessage(&msg, s_hwnd, WM_TIMER, WM_TIMER, PM_REMOVE))
;
blink_timer = 0;
}
}
/*
* Stop the cursor blinking. Show the cursor if it wasn't shown.
*/
void
gui_mch_stop_blink(void)
{
gui_mswin_rm_blink_timer();
if (blink_state == BLINK_OFF)
gui_update_cursor(TRUE, FALSE);
blink_state = BLINK_NONE;
}
/*
* Start the cursor blinking. If it was already blinking, this restarts the
* waiting time and shows the cursor.
*/
void
gui_mch_start_blink(void)
{
gui_mswin_rm_blink_timer();
/* Only switch blinking on if none of the times is zero */
if (blink_waittime && blink_ontime && blink_offtime && gui.in_focus)
{
blink_timer = (UINT)SetTimer(NULL, 0, (UINT)blink_waittime,
(TIMERPROC)_OnBlinkTimer);
blink_state = BLINK_ON;
gui_update_cursor(TRUE, FALSE);
}
}
/*
* Call-back routines.
*/
static VOID CALLBACK
_OnTimer(
HWND hwnd,
UINT uMsg UNUSED,
UINT idEvent,
DWORD dwTime UNUSED)
{
MSG msg;
/*
TRACE2("Got timer event, id %d, s_wait_timer %d\n", idEvent, s_wait_timer);
*/
KillTimer(NULL, idEvent);
s_timed_out = TRUE;
/* Eat spurious WM_TIMER messages */
while (pPeekMessage(&msg, hwnd, WM_TIMER, WM_TIMER, PM_REMOVE))
;
if (idEvent == s_wait_timer)
s_wait_timer = 0;
}
static void
_OnDeadChar(
HWND hwnd UNUSED,
UINT ch UNUSED,
int cRepeat UNUSED)
{
dead_key = 1;
}
/*
* Convert Unicode character "ch" to bytes in "string[slen]".
* When "had_alt" is TRUE the ALT key was included in "ch".
* Return the length.
*/
static int
char_to_string(int ch, char_u *string, int slen, int had_alt)
{
int len;
int i;
#ifdef FEAT_MBYTE
WCHAR wstring[2];
char_u *ws = NULL;
wstring[0] = ch;
len = 1;
/* "ch" is a UTF-16 character. Convert it to a string of bytes. When
* "enc_codepage" is non-zero use the standard Win32 function,
* otherwise use our own conversion function (e.g., for UTF-8). */
if (enc_codepage > 0)
{
len = WideCharToMultiByte(enc_codepage, 0, wstring, len,
(LPSTR)string, slen, 0, NULL);
/* If we had included the ALT key into the character but now the
* upper bit is no longer set, that probably means the conversion
* failed. Convert the original character and set the upper bit
* afterwards. */
if (had_alt && len == 1 && ch >= 0x80 && string[0] < 0x80)
{
wstring[0] = ch & 0x7f;
len = WideCharToMultiByte(enc_codepage, 0, wstring, len,
(LPSTR)string, slen, 0, NULL);
if (len == 1) /* safety check */
string[0] |= 0x80;
}
}
else
{
len = 1;
ws = utf16_to_enc(wstring, &len);
if (ws == NULL)
len = 0;
else
{
if (len > slen) /* just in case */
len = slen;
mch_memmove(string, ws, len);
vim_free(ws);
}
}
if (len == 0)
#endif
{
string[0] = ch;
len = 1;
}
for (i = 0; i < len; ++i)
if (string[i] == CSI && len <= slen - 2)
{
/* Insert CSI as K_CSI. */
mch_memmove(string + i + 3, string + i + 1, len - i - 1);
string[++i] = KS_EXTRA;
string[++i] = (int)KE_CSI;
len += 2;
}
return len;
}
/*
* Key hit, add it to the input buffer.
*/
static void
_OnChar(
HWND hwnd UNUSED,
UINT ch,
int cRepeat UNUSED)
{
char_u string[40];
int len = 0;
dead_key = 0;
len = char_to_string(ch, string, 40, FALSE);
if (len == 1 && string[0] == Ctrl_C && ctrl_c_interrupts)
{
trash_input_buf();
got_int = TRUE;
}
add_to_input_buf(string, len);
}
/*
* Alt-Key hit, add it to the input buffer.
*/
static void
_OnSysChar(
HWND hwnd UNUSED,
UINT cch,
int cRepeat UNUSED)
{
char_u string[40]; /* Enough for multibyte character */
int len;
int modifiers;
int ch = cch; /* special keys are negative */
dead_key = 0;
/* TRACE("OnSysChar(%d, %c)\n", ch, ch); */
/* OK, we have a character key (given by ch) which was entered with the
* ALT key pressed. Eg, if the user presses Alt-A, then ch == 'A'. Note
* that the system distinguishes Alt-a and Alt-A (Alt-Shift-a unless
* CAPSLOCK is pressed) at this point.
*/
modifiers = MOD_MASK_ALT;
if (GetKeyState(VK_SHIFT) & 0x8000)
modifiers |= MOD_MASK_SHIFT;
if (GetKeyState(VK_CONTROL) & 0x8000)
modifiers |= MOD_MASK_CTRL;
ch = simplify_key(ch, &modifiers);
/* remove the SHIFT modifier for keys where it's already included, e.g.,
* '(' and '*' */
if (ch < 0x100 && !isalpha(ch) && isprint(ch))
modifiers &= ~MOD_MASK_SHIFT;
/* Interpret the ALT key as making the key META, include SHIFT, etc. */
ch = extract_modifiers(ch, &modifiers);
if (ch == CSI)
ch = K_CSI;
len = 0;
if (modifiers)
{
string[len++] = CSI;
string[len++] = KS_MODIFIER;
string[len++] = modifiers;
}
if (IS_SPECIAL((int)ch))
{
string[len++] = CSI;
string[len++] = K_SECOND((int)ch);
string[len++] = K_THIRD((int)ch);
}
else
{
/* Although the documentation isn't clear about it, we assume "ch" is
* a Unicode character. */
len += char_to_string(ch, string + len, 40 - len, TRUE);
}
add_to_input_buf(string, len);
}
static void
_OnMouseEvent(
int button,
int x,
int y,
int repeated_click,
UINT keyFlags)
{
int vim_modifiers = 0x0;
s_getting_focus = FALSE;
if (keyFlags & MK_SHIFT)
vim_modifiers |= MOUSE_SHIFT;
if (keyFlags & MK_CONTROL)
vim_modifiers |= MOUSE_CTRL;
if (GetKeyState(VK_MENU) & 0x8000)
vim_modifiers |= MOUSE_ALT;
gui_send_mouse_event(button, x, y, repeated_click, vim_modifiers);
}
static void
_OnMouseButtonDown(
HWND hwnd UNUSED,
BOOL fDoubleClick UNUSED,
int x,
int y,
UINT keyFlags)
{
static LONG s_prevTime = 0;
LONG currentTime = GetMessageTime();
int button = -1;
int repeated_click;
/* Give main window the focus: this is so the cursor isn't hollow. */
(void)SetFocus(s_hwnd);
if (s_uMsg == WM_LBUTTONDOWN || s_uMsg == WM_LBUTTONDBLCLK)
button = MOUSE_LEFT;
else if (s_uMsg == WM_MBUTTONDOWN || s_uMsg == WM_MBUTTONDBLCLK)
button = MOUSE_MIDDLE;
else if (s_uMsg == WM_RBUTTONDOWN || s_uMsg == WM_RBUTTONDBLCLK)
button = MOUSE_RIGHT;
else if (s_uMsg == WM_XBUTTONDOWN || s_uMsg == WM_XBUTTONDBLCLK)
{
#ifndef GET_XBUTTON_WPARAM
# define GET_XBUTTON_WPARAM(wParam) (HIWORD(wParam))
#endif
button = ((GET_XBUTTON_WPARAM(s_wParam) == 1) ? MOUSE_X1 : MOUSE_X2);
}
else if (s_uMsg == WM_CAPTURECHANGED)
{
/* on W95/NT4, somehow you get in here with an odd Msg
* if you press one button while holding down the other..*/
if (s_button_pending == MOUSE_LEFT)
button = MOUSE_RIGHT;
else
button = MOUSE_LEFT;
}
if (button >= 0)
{
repeated_click = ((int)(currentTime - s_prevTime) < p_mouset);
/*
* Holding down the left and right buttons simulates pushing the middle
* button.
*/
if (repeated_click
&& ((button == MOUSE_LEFT && s_button_pending == MOUSE_RIGHT)
|| (button == MOUSE_RIGHT
&& s_button_pending == MOUSE_LEFT)))
{
/*
* Hmm, gui.c will ignore more than one button down at a time, so
* pretend we let go of it first.
*/
gui_send_mouse_event(MOUSE_RELEASE, x, y, FALSE, 0x0);
button = MOUSE_MIDDLE;
repeated_click = FALSE;
s_button_pending = -1;
_OnMouseEvent(button, x, y, repeated_click, keyFlags);
}
else if ((repeated_click)
|| (mouse_model_popup() && (button == MOUSE_RIGHT)))
{
if (s_button_pending > -1)
{
_OnMouseEvent(s_button_pending, x, y, FALSE, keyFlags);
s_button_pending = -1;
}
/* TRACE("Button down at x %d, y %d\n", x, y); */
_OnMouseEvent(button, x, y, repeated_click, keyFlags);
}
else
{
/*
* If this is the first press (i.e. not a multiple click) don't
* action immediately, but store and wait for:
* i) button-up
* ii) mouse move
* iii) another button press
* before using it.
* This enables us to make left+right simulate middle button,
* without left or right being actioned first. The side-effect is
* that if you click and hold the mouse without dragging, the
* cursor doesn't move until you release the button. In practice
* this is hardly a problem.
*/
s_button_pending = button;
s_x_pending = x;
s_y_pending = y;
s_kFlags_pending = keyFlags;
}
s_prevTime = currentTime;
}
}
static void
_OnMouseMoveOrRelease(
HWND hwnd UNUSED,
int x,
int y,
UINT keyFlags)
{
int button;
s_getting_focus = FALSE;
if (s_button_pending > -1)
{
/* Delayed action for mouse down event */
_OnMouseEvent(s_button_pending, s_x_pending,
s_y_pending, FALSE, s_kFlags_pending);
s_button_pending = -1;
}
if (s_uMsg == WM_MOUSEMOVE)
{
/*
* It's only a MOUSE_DRAG if one or more mouse buttons are being held
* down.
*/
if (!(keyFlags & (MK_LBUTTON | MK_MBUTTON | MK_RBUTTON
| MK_XBUTTON1 | MK_XBUTTON2)))
{
gui_mouse_moved(x, y);
return;
}
/*
* While button is down, keep grabbing mouse move events when
* the mouse goes outside the window
*/
SetCapture(s_textArea);
button = MOUSE_DRAG;
/* TRACE(" move at x %d, y %d\n", x, y); */
}
else
{
ReleaseCapture();
button = MOUSE_RELEASE;
/* TRACE(" up at x %d, y %d\n", x, y); */
}