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Copy Unicode to the clipboard

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This commit is contained in:
Ray Chason
2022-10-16 22:32:11 -04:00
parent c5674fd10c
commit f7aa79f939
3 changed files with 147 additions and 13 deletions
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120
win/win32/mhmain.c
View File

@@ -35,8 +35,11 @@ static void register_main_window_class(void);
static int menuid2mapmode(int menuid);
static int mapmode2menuid(int map_mode);
static void nhlock_windows(BOOL lock);
static char *nh_compose_ascii_screenshot();
static void mswin_apply_window_style_all();
static char *nh_compose_ascii_screenshot(void);
#ifdef ENHANCED_SYMBOLS
static WCHAR *nh_compose_unicode_screenshot(void);
#endif
static void mswin_apply_window_style_all(void);
// returns strdup() created pointer - callee assumes the ownership
HWND
@@ -871,42 +874,79 @@ onWMCommand(HWND hWnd, WPARAM wParam, LPARAM lParam)
break;
case IDM_SETTING_SCREEN_TO_CLIPBOARD: {
char *p;
char *p = NULL;
#ifdef ENHANCED_SYMBOLS
WCHAR *wp = NULL;
#endif
unsigned chr_size = 1;
size_t len;
HANDLE hglbCopy;
char *p_copy;
p = nh_compose_ascii_screenshot();
if (!p)
return 0;
len = strlen(p);
#ifdef ENHANCED_SYMBOLS
if (SYMHANDLING(H_UTF8)) {
wp = nh_compose_unicode_screenshot();
if (!wp)
return 0;
len = wcslen(wp);
chr_size = sizeof(WCHAR);
} else
#endif
{
p = nh_compose_ascii_screenshot();
if (!p)
return 0;
len = strlen(p);
}
if (!OpenClipboard(hWnd)) {
NHMessageBox(hWnd, TEXT("Cannot open clipboard"),
MB_OK | MB_ICONERROR);
free(p);
#ifdef ENHANCED_SYMBOLS
free(wp);
#endif
return 0;
}
EmptyClipboard();
hglbCopy = GlobalAlloc(GMEM_MOVEABLE, (len + 1) * sizeof(char));
hglbCopy = GlobalAlloc(GMEM_MOVEABLE, (len + 1) * chr_size);
if (hglbCopy == NULL) {
CloseClipboard();
free(p);
#ifdef ENHANCED_SYMBOLS
free(wp);
#endif
return FALSE;
}
p_copy = (char *) GlobalLock(hglbCopy);
strncpy(p_copy, p, len);
p_copy[len] = 0; // null character
#ifdef ENHANCED_SYMBOLS
if (SYMHANDLING(H_UTF8)) {
WCHAR *p_copy = (WCHAR *) GlobalLock(hglbCopy);
wcsncpy(p_copy, wp, len);
p_copy[len] = 0; // null character
} else
#endif
{
char *p_copy = (char *) GlobalLock(hglbCopy);
strncpy(p_copy, p, len);
p_copy[len] = 0; // null character
}
GlobalUnlock(hglbCopy);
SetClipboardData(SYMHANDLING(H_IBM) ? CF_OEMTEXT : CF_TEXT, hglbCopy);
#ifdef ENHANCED_SYMBOLS
if (SYMHANDLING(H_UTF8))
SetClipboardData(CF_UNICODETEXT, hglbCopy);
else
#endif
SetClipboardData(SYMHANDLING(H_IBM) ? CF_OEMTEXT : CF_TEXT, hglbCopy);
CloseClipboard();
free(p);
#ifdef ENHANCED_SYMBOLS
free(wp);
#endif
} break;
case IDM_SETTING_SCREEN_TO_FILE: {
@@ -1276,3 +1316,57 @@ nh_compose_ascii_screenshot(void)
free(text);
return retval;
}
#ifdef ENHANCED_SYMBOLS
// returns malloc() created pointer - callee assumes the ownership
static WCHAR *
nh_compose_unicode_screenshot(void)
{
WCHAR *retval;
PMSNHMsgGetText text;
PMSNHMsgGetWideText wtext;
size_t retsize;
const size_t max_size = 3 * TEXT_BUFFER_SIZE;
retval = (WCHAR *) malloc(max_size * sizeof(WCHAR));
retsize = 0;
text =
(PMSNHMsgGetText) malloc(sizeof(MSNHMsgGetText) + TEXT_BUFFER_SIZE);
text->max_size =
TEXT_BUFFER_SIZE
- 1; /* make sure we always have 0 at the end of the buffer */
wtext =
(PMSNHMsgGetWideText) malloc(sizeof(MSNHMsgGetWideText)
+ TEXT_BUFFER_SIZE * sizeof(WCHAR));
wtext->max_size =
TEXT_BUFFER_SIZE
- 1; /* make sure we always have 0 at the end of the buffer */
ZeroMemory(text->buffer, TEXT_BUFFER_SIZE);
SendMessage(mswin_hwnd_from_winid(WIN_MESSAGE), WM_MSNH_COMMAND,
(WPARAM) MSNH_MSG_GETTEXT, (LPARAM) text);
retsize += MultiByteToWideChar(CP_ACP, 0,
text->buffer, strlen(text->buffer),
retval + retsize, max_size - retsize);
ZeroMemory(wtext->buffer, TEXT_BUFFER_SIZE * sizeof(WCHAR));
SendMessage(mswin_hwnd_from_winid(WIN_MAP), WM_MSNH_COMMAND,
(WPARAM) MSNH_MSG_GETWIDETEXT, (LPARAM) wtext);
wcsncpy(retval + retsize, wtext->buffer, max_size - retsize - 1);
retsize += wcslen(retval + retsize);
ZeroMemory(text->buffer, TEXT_BUFFER_SIZE);
SendMessage(mswin_hwnd_from_winid(WIN_STATUS), WM_MSNH_COMMAND,
(WPARAM) MSNH_MSG_GETTEXT, (LPARAM) text);
retsize += MultiByteToWideChar(CP_ACP, 0,
text->buffer, strlen(text->buffer),
retval + retsize, max_size - retsize);
retval[retsize] = L'\0';
free(text);
free(wtext);
return retval;
}
#endif

30
win/win32/mhmap.c
View File

@@ -765,6 +765,36 @@ onMSNHCommand(HWND hWnd, WPARAM wParam, LPARAM lParam)
}
} break;
#ifdef ENHANCED_SYMBOLS
case MSNH_MSG_GETWIDETEXT: {
PMSNHMsgGetWideText msg_data = (PMSNHMsgGetWideText) lParam;
size_t index;
int col, row;
index = 0;
for (row = 0; row < ROWNO; row++) {
for (col = 0; col < COLNO; col++) {
glyph_info *glyphinfo;
uint32 ch;
if (index >= msg_data->max_size)
break;
glyphinfo = &data->map[col][row];
if (glyphinfo->gm.u && glyphinfo->gm.u->utf8str) {
ch = glyphinfo->gm.u->utf32ch;
} else {
ch = glyphinfo->ttychar;
}
winos_ascii_to_wide(msg_data->buffer + index, ch);
index += wcslen(msg_data->buffer + index);
}
if (index >= msg_data->max_size - 1)
break;
msg_data->buffer[index++] = '\r';
msg_data->buffer[index++] = '\n';
}
} break;
#endif
case MSNH_MSG_RANDOM_INPUT:
nhassert(0); // unexpected
break;

10
win/win32/mhmsg.h
View File

@@ -22,6 +22,9 @@
#define MSNH_MSG_GETTEXT 111
#define MSNH_MSG_UPDATE_STATUS 112
#define MSNH_MSG_RANDOM_INPUT 113
#ifdef ENHANCED_SYMBOLS
#define MSNH_MSG_GETWIDETEXT 114
#endif
typedef struct mswin_nhmsg_add_wnd {
winid wid;
@@ -71,6 +74,13 @@ typedef struct mswin_nhmsg_get_text {
char buffer[TEXT_BUFFER_SIZE];
} MSNHMsgGetText, *PMSNHMsgGetText;
#ifdef ENHANCED_SYMBOLS
typedef struct mswin_nhmsg_get_wide_text {
size_t max_size;
WCHAR buffer[TEXT_BUFFER_SIZE];
} MSNHMsgGetWideText, *PMSNHMsgGetWideText;
#endif
typedef struct mswin_nhmsg_update_status {
struct mswin_status_lines * status_lines;
} MSNHMsgUpdateStatus, *PMSNHMsgUpdateStatus;