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-rw-r--r--src/console_gui.cpp4
-rw-r--r--src/gfx_func.h2
-rw-r--r--src/textbuf.cpp25
-rw-r--r--src/textbuf_type.h2
-rw-r--r--src/video/win32_v.cpp71
-rw-r--r--src/window.cpp10
-rw-r--r--src/window_gui.h2
7 files changed, 101 insertions, 15 deletions
diff --git a/src/console_gui.cpp b/src/console_gui.cpp
index 9a48f72a6..69cf7a4d7 100644
--- a/src/console_gui.cpp
+++ b/src/console_gui.cpp
@@ -311,9 +311,9 @@ struct IConsoleWindow : Window
return ES_HANDLED;
}
- virtual void InsertTextString(int wid, const char *str)
+ virtual void InsertTextString(int wid, const char *str, bool marked, const char *caret)
{
- if (_iconsole_cmdline.InsertString(str)) {
+ if (_iconsole_cmdline.InsertString(str, marked, caret)) {
IConsoleWindow::scroll = 0;
IConsoleResetHistoryPos();
this->SetDirty();
diff --git a/src/gfx_func.h b/src/gfx_func.h
index 421f9cff6..5dee846b2 100644
--- a/src/gfx_func.h
+++ b/src/gfx_func.h
@@ -71,7 +71,7 @@ extern Dimension _cur_resolution;
extern Palette _cur_palette; ///< Current palette
void HandleKeypress(uint keycode, WChar key);
-void HandleTextInput(const char *str);
+void HandleTextInput(const char *str, bool marked = false, const char *caret = NULL);
void HandleCtrlChanged();
void HandleMouseEvents();
void CSleep(int milliseconds);
diff --git a/src/textbuf.cpp b/src/textbuf.cpp
index aea7c4918..e99e89662 100644
--- a/src/textbuf.cpp
+++ b/src/textbuf.cpp
@@ -151,10 +151,17 @@ bool Textbuf::InsertChar(WChar key)
* we don't care about the visual-length but only about the physical
* length of the string.
* @param str String to insert.
+ * @param marked Replace the currently marked text with the new text.
+ * @param caret Move the caret to this point in the insertion string.
* @return True on successful change of Textbuf, or false otherwise.
*/
-bool Textbuf::InsertString(const char *str)
+bool Textbuf::InsertString(const char *str, bool marked, const char *caret)
{
+ uint16 insertpos = (marked && this->marklength != 0) ? this->markpos : this->caretpos;
+
+ if (marked) this->DiscardMarkedText(str == NULL);
+
+ if (str == NULL) return false;
uint16 bytes = 0, chars = 0;
WChar c;
@@ -167,16 +174,24 @@ bool Textbuf::InsertString(const char *str)
bytes += len;
chars++;
+
+ /* Move caret if needed. */
+ if (ptr == caret) this->caretpos = insertpos + bytes;
}
if (bytes == 0) return false;
- memmove(this->buf + this->caretpos + bytes, this->buf + this->caretpos, this->bytes - this->caretpos);
- memcpy(this->buf + this->caretpos, str, bytes);
+ if (marked) {
+ this->markpos = insertpos;
+ this->markend = insertpos + bytes;
+ }
+
+ memmove(this->buf + insertpos + bytes, this->buf + insertpos, this->bytes - insertpos);
+ memcpy(this->buf + insertpos, str, bytes);
this->bytes += bytes;
this->chars += chars;
- this->caretpos += bytes;
+ if (!marked && caret == NULL) this->caretpos += bytes;
assert(this->bytes <= this->max_bytes);
assert(this->chars <= this->max_chars);
this->buf[this->bytes - 1] = '\0'; // terminating zero
@@ -201,7 +216,7 @@ bool Textbuf::InsertClipboard()
if (!GetClipboardContents(utf8_buf, lengthof(utf8_buf))) return false;
- return this->InsertString(utf8_buf);
+ return this->InsertString(utf8_buf, false);
}
/**
diff --git a/src/textbuf_type.h b/src/textbuf_type.h
index 910e7fa5f..e34e2e2f4 100644
--- a/src/textbuf_type.h
+++ b/src/textbuf_type.h
@@ -56,7 +56,7 @@ struct Textbuf {
bool InsertClipboard();
bool InsertChar(uint32 key);
- bool InsertString(const char *str);
+ bool InsertString(const char *str, bool marked, const char *caret = NULL);
bool DeleteChar(uint16 keycode);
bool MovePos(uint16 keycode);
diff --git a/src/video/win32_v.cpp b/src/video/win32_v.cpp
index a6ca85c97..2e7b40902 100644
--- a/src/video/win32_v.cpp
+++ b/src/video/win32_v.cpp
@@ -52,6 +52,9 @@ bool _window_maximize;
uint _display_hz;
uint _fullscreen_bpp;
static Dimension _bck_resolution;
+#if !defined(WINCE) || _WIN32_WCE >= 0x400
+DWORD _imm_props;
+#endif
/** Whether the drawing is/may be done in a separate thread. */
static bool _draw_threaded;
@@ -501,6 +504,12 @@ static LRESULT HandleCharMsg(uint keycode, WChar charcode)
}
#if !defined(WINCE) || _WIN32_WCE >= 0x400
+/** Should we draw the composition string ourself, i.e is this a normal IME? */
+static bool DrawIMECompositionString()
+{
+ return (_imm_props & IME_PROP_AT_CARET) && !(_imm_props & IME_PROP_SPECIAL_UI);
+}
+
/** Set position of the composition window to the caret position. */
static void SetCompositionPos(HWND hwnd)
{
@@ -571,12 +580,50 @@ static LRESULT HandleIMEComposition(HWND hwnd, WPARAM wParam, LPARAM lParam)
str[len / sizeof(TCHAR)] = '\0';
/* Transmit text to windowing system. */
- if (len > 0) HandleTextInput(FS2OTTD(str));
+ if (len > 0) {
+ HandleTextInput(NULL, true); // Clear marked string.
+ HandleTextInput(FS2OTTD(str));
+ }
SetCompositionPos(hwnd);
/* Don't pass the result string on to the default window proc. */
lParam &= ~(GCS_RESULTSTR | GCS_RESULTCLAUSE | GCS_RESULTREADCLAUSE | GCS_RESULTREADSTR);
}
+
+ if ((lParam & GCS_COMPSTR) && DrawIMECompositionString()) {
+ /* Read composition string from the IME. */
+ LONG len = ImmGetCompositionString(hIMC, GCS_COMPSTR, NULL, 0); // Length is always in bytes, even in UNICODE build.
+ TCHAR *str = (TCHAR *)_alloca(len + sizeof(TCHAR));
+ len = ImmGetCompositionString(hIMC, GCS_COMPSTR, str, len);
+ str[len / sizeof(TCHAR)] = '\0';
+
+ if (len > 0) {
+ static char utf8_buf[1024];
+ convert_from_fs(str, utf8_buf, lengthof(utf8_buf));
+
+ /* Convert caret position from bytes in the input string to a position in the UTF-8 encoded string. */
+ LONG caret_bytes = ImmGetCompositionString(hIMC, GCS_CURSORPOS, NULL, 0);
+ const char *caret = utf8_buf;
+ for (const TCHAR *c = str; *c != '\0' && *caret != '\0' && caret_bytes > 0; c++, caret_bytes--) {
+ /* Skip DBCS lead bytes or leading surrogates. */
+#ifdef UNICODE
+ if (Utf16IsLeadSurrogate(*c)) {
+#else
+ if (IsDBCSLeadByte(*c)) {
+#endif
+ c++;
+ caret_bytes--;
+ }
+ Utf8Consume(&caret);
+ }
+
+ HandleTextInput(utf8_buf, true, caret);
+ } else {
+ HandleTextInput(NULL, true);
+ }
+
+ lParam &= ~(GCS_COMPSTR | GCS_COMPATTR | GCS_COMPCLAUSE | GCS_CURSORPOS | GCS_DELTASTART);
+ }
}
ImmReleaseContext(hwnd, hIMC);
@@ -589,10 +636,13 @@ static void CancelIMEComposition(HWND hwnd)
HIMC hIMC = ImmGetContext(hwnd);
if (hIMC != NULL) ImmNotifyIME(hIMC, NI_COMPOSITIONSTR, CPS_CANCEL, 0);
ImmReleaseContext(hwnd, hIMC);
+ /* Clear any marked string from the current edit box. */
+ HandleTextInput(NULL, true);
}
#else
+static bool DrawIMECompositionString() { return false; }
static void SetCompositionPos(HWND hwnd) {}
static void SetCandidatePos(HWND hwnd) {}
static void CancelIMEComposition(HWND hwnd) {}
@@ -609,6 +659,9 @@ static LRESULT CALLBACK WndProcGdi(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lP
case WM_CREATE:
SetTimer(hwnd, TID_POLLMOUSE, MOUSE_POLL_DELAY, (TIMERPROC)TrackMouseTimerProc);
SetCompositionPos(hwnd);
+#if !defined(WINCE) || _WIN32_WCE >= 0x400
+ _imm_props = ImmGetProperty(GetKeyboardLayout(0), IGP_PROPERTY);
+#endif
break;
case WM_ENTERSIZEMOVE:
@@ -735,13 +788,29 @@ static LRESULT CALLBACK WndProcGdi(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lP
}
#if !defined(WINCE) || _WIN32_WCE >= 0x400
+ case WM_INPUTLANGCHANGE:
+ _imm_props = ImmGetProperty(GetKeyboardLayout(0), IGP_PROPERTY);
+ break;
+
+ case WM_IME_SETCONTEXT:
+ /* Don't show the composition window if we draw the string ourself. */
+ if (DrawIMECompositionString()) lParam &= ~ISC_SHOWUICOMPOSITIONWINDOW;
+ break;
+
case WM_IME_STARTCOMPOSITION:
SetCompositionPos(hwnd);
+ if (DrawIMECompositionString()) return 0;
break;
case WM_IME_COMPOSITION:
return HandleIMEComposition(hwnd, wParam, lParam);
+ case WM_IME_ENDCOMPOSITION:
+ /* Clear any pending composition string. */
+ HandleTextInput(NULL, true);
+ if (DrawIMECompositionString()) return 0;
+ break;
+
case WM_IME_NOTIFY:
if (wParam == IMN_OPENCANDIDATE) SetCandidatePos(hwnd);
break;
diff --git a/src/window.cpp b/src/window.cpp
index 2805301f0..1197b0c6e 100644
--- a/src/window.cpp
+++ b/src/window.cpp
@@ -2551,12 +2551,12 @@ void HandleCtrlChanged()
* @param wid Edit box widget.
* @param str Text string to insert.
*/
-/* virtual */ void Window::InsertTextString(int wid, const char *str)
+/* virtual */ void Window::InsertTextString(int wid, const char *str, bool marked, const char *caret)
{
QueryString *query = this->GetQueryString(wid);
if (query == NULL) return;
- if (query->text.InsertString(str)) {
+ if (query->text.InsertString(str, marked, caret) || marked) {
this->SetWidgetDirty(wid);
this->OnEditboxChanged(wid);
}
@@ -2565,12 +2565,14 @@ void HandleCtrlChanged()
/**
* Handle text input.
* @param str Text string to input.
+ * @param marked Is the input a marked composition string from an IME?
+ * @param caret Move the caret to this point in the insertion string.
*/
-void HandleTextInput(const char *str)
+void HandleTextInput(const char *str, bool marked, const char *caret)
{
if (!EditBoxInGlobalFocus()) return;
- _focused_window->InsertTextString(_focused_window->window_class == WC_CONSOLE ? 0 : _focused_window->nested_focus->index, str);
+ _focused_window->InsertTextString(_focused_window->window_class == WC_CONSOLE ? 0 : _focused_window->nested_focus->index, str, marked, caret);
}
/**
diff --git a/src/window_gui.h b/src/window_gui.h
index fe2c8ef62..0fd76cfcc 100644
--- a/src/window_gui.h
+++ b/src/window_gui.h
@@ -491,7 +491,7 @@ public:
bool SetFocusedWidget(int widget_index);
EventState HandleEditBoxKey(int wid, WChar key, uint16 keycode);
- virtual void InsertTextString(int wid, const char *str);
+ virtual void InsertTextString(int wid, const char *str, bool marked, const char *caret);
void HandleButtonClick(byte widget);
int GetRowFromWidget(int clickpos, int widget, int padding, int line_height = -1) const;
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2024-12-20 12:48:15 +0000