[Bf-blender-cvs] [12e5a32] master: Forgot to add new files in recent IME commit
Severin
noreply at git.blender.org
Sun Dec 7 18:26:15 CET 2014
Commit: 12e5a325577ff99a2f470bd912dc7b6a41690930
Author: Severin
Date: Sun Dec 7 18:23:02 2014 +0100
Branches: master
https://developer.blender.org/rB12e5a325577ff99a2f470bd912dc7b6a41690930
Forgot to add new files in recent IME commit
Sorry, my bad :/
===================================================================
A intern/ghost/intern/GHOST_ImeWin32.cpp
A intern/ghost/intern/GHOST_ImeWin32.h
===================================================================
diff --git a/intern/ghost/intern/GHOST_ImeWin32.cpp b/intern/ghost/intern/GHOST_ImeWin32.cpp
new file mode 100644
index 0000000..ef8eb98
--- /dev/null
+++ b/intern/ghost/intern/GHOST_ImeWin32.cpp
@@ -0,0 +1,517 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (c) 2010 The Chromium Authors. All rights reserved.
+ * All rights reserved.
+ *
+ * The Original Code is: some of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+
+/** \file ghost/intern/GHOST_ImeWin32.cpp
+ * \ingroup GHOST
+ */
+
+
+#include "GHOST_C-api.h"
+#include "GHOST_ImeWin32.h"
+#include "GHOST_WindowWin32.h"
+#include "utfconv.h"
+
+
+GHOST_ImeWin32::GHOST_ImeWin32()
+ : ime_status_(false),
+ input_language_id_(LANG_USER_DEFAULT),
+ is_composing_(false),
+ system_caret_(false),
+ caret_rect_(-1, -1, 0, 0),
+ is_first(true),
+ is_enable(true)
+{
+}
+
+
+GHOST_ImeWin32::~GHOST_ImeWin32()
+{
+}
+
+
+bool GHOST_ImeWin32::SetInputLanguage()
+{
+ /**
+ * Retrieve the current keyboard layout from Windows and determine whether
+ * or not the current input context has IMEs.
+ * Also save its input language for language-specific operations required
+ * while composing a text.
+ */
+ HKL keyboard_layout = ::GetKeyboardLayout(0);
+ input_language_id_ = reinterpret_cast<LANGID>(keyboard_layout);
+ ime_status_ = ::ImmIsIME(keyboard_layout);
+ return ime_status_;
+}
+
+
+void GHOST_ImeWin32::CreateImeWindow(HWND window_handle)
+{
+ /**
+ * When a user disables TSF (Text Service Framework) and CUAS (Cicero
+ * Unaware Application Support), Chinese IMEs somehow ignore function calls
+ * to ::ImmSetCandidateWindow(), i.e. they do not move their candidate
+ * window to the position given as its parameters, and use the position
+ * of the current system caret instead, i.e. it uses ::GetCaretPos() to
+ * retrieve the position of their IME candidate window.
+ * Therefore, we create a temporary system caret for Chinese IMEs and use
+ * it during this input context.
+ * Since some third-party Japanese IME also uses ::GetCaretPos() to determine
+ * their window position, we also create a caret for Japanese IMEs.
+ */
+ if (PRIMARYLANGID(input_language_id_) == LANG_CHINESE ||
+ PRIMARYLANGID(input_language_id_) == LANG_JAPANESE) {
+ if (!system_caret_) {
+ if (::CreateCaret(window_handle, NULL, 1, 1)) {
+ system_caret_ = true;
+ }
+ }
+ }
+ /* Restore the positions of the IME windows. */
+ UpdateImeWindow(window_handle);
+}
+
+
+void GHOST_ImeWin32::SetImeWindowStyle(HWND window_handle, UINT message, WPARAM wparam, LPARAM lparam, BOOL *handled)
+{
+ /**
+ * To prevent the IMM (Input Method Manager) from displaying the IME
+ * composition window, Update the styles of the IME windows and EXPLICITLY
+ * call ::DefWindowProc() here.
+ * NOTE(hbono): We can NEVER let WTL call ::DefWindowProc() when we update
+ * the styles of IME windows because the 'lparam' variable is a local one
+ * and all its updates disappear in returning from this function, i.e. WTL
+ * does not call ::DefWindowProc() with our updated 'lparam' value but call
+ * the function with its original value and over-writes our window styles.
+ */
+ *handled = TRUE;
+ lparam &= ~ISC_SHOWUICOMPOSITIONWINDOW;
+ ::DefWindowProc(window_handle, message, wparam, lparam);
+}
+
+
+void GHOST_ImeWin32::DestroyImeWindow(HWND window_handle)
+{
+ /* Destroy the system caret if we have created for this IME input context. */
+ if (system_caret_) {
+ ::DestroyCaret();
+ system_caret_ = false;
+ }
+}
+
+
+void GHOST_ImeWin32::MoveImeWindow(HWND window_handle, HIMC imm_context)
+{
+ int x = caret_rect_.m_l;
+ int y = caret_rect_.m_t;
+ const int kCaretMargin = 1;
+ /**
+ * As written in a comment in GHOST_ImeWin32::CreateImeWindow(),
+ * Chinese IMEs ignore function calls to ::ImmSetCandidateWindow()
+ * when a user disables TSF (Text Service Framework) and CUAS (Cicero
+ * Unaware Application Support).
+ * On the other hand, when a user enables TSF and CUAS, Chinese IMEs
+ * ignore the position of the current system caret and uses the
+ * parameters given to ::ImmSetCandidateWindow() with its 'dwStyle'
+ * parameter CFS_CANDIDATEPOS.
+ * Therefore, we do not only call ::ImmSetCandidateWindow() but also
+ * set the positions of the temporary system caret if it exists.
+ */
+ CANDIDATEFORM candidate_position = { 0, CFS_CANDIDATEPOS, { x, y },
+ { 0, 0, 0, 0 } };
+ ::ImmSetCandidateWindow(imm_context, &candidate_position);
+ if (system_caret_) {
+ switch (PRIMARYLANGID(input_language_id_)) {
+ case LANG_JAPANESE:
+ ::SetCaretPos(x, y + caret_rect_.getHeight());
+ break;
+ default:
+ ::SetCaretPos(x, y);
+ break;
+ }
+ }
+ if (PRIMARYLANGID(input_language_id_) == LANG_KOREAN) {
+ /**
+ * Chinese IMEs and Japanese IMEs require the upper-left corner of
+ * the caret to move the position of their candidate windows.
+ * On the other hand, Korean IMEs require the lower-left corner of the
+ * caret to move their candidate windows.
+ */
+ y += kCaretMargin;
+ }
+ /**
+ * Japanese IMEs and Korean IMEs also use the rectangle given to
+ * ::ImmSetCandidateWindow() with its 'dwStyle' parameter CFS_EXCLUDE
+ * to move their candidate windows when a user disables TSF and CUAS.
+ * Therefore, we also set this parameter here.
+ */
+ CANDIDATEFORM exclude_rectangle = { 0, CFS_EXCLUDE, { x, y },
+ { x, y, x + caret_rect_.getWidth(), y + caret_rect_.getHeight() } };
+ ::ImmSetCandidateWindow(imm_context, &exclude_rectangle);
+}
+
+
+void GHOST_ImeWin32::UpdateImeWindow(HWND window_handle)
+{
+ /* Just move the IME window attached to the given window. */
+ if (caret_rect_.m_l >= 0 && caret_rect_.m_t >= 0) {
+ HIMC imm_context = ::ImmGetContext(window_handle);
+ if (imm_context) {
+ MoveImeWindow(window_handle, imm_context);
+ ::ImmReleaseContext(window_handle, imm_context);
+ }
+ }
+}
+
+
+void GHOST_ImeWin32::CleanupComposition(HWND window_handle)
+{
+ /**
+ * Notify the IMM attached to the given window to complete the ongoing
+ * composition, (this case happens when the given window is de-activated
+ * while composing a text and re-activated), and reset the omposition status.
+ */
+ if (is_composing_) {
+ HIMC imm_context = ::ImmGetContext(window_handle);
+ if (imm_context) {
+ ::ImmNotifyIME(imm_context, NI_COMPOSITIONSTR, CPS_COMPLETE, 0);
+ ::ImmReleaseContext(window_handle, imm_context);
+ }
+ ResetComposition(window_handle);
+ }
+}
+
+
+void GHOST_ImeWin32::CheckFirst(HWND window_handle)
+{
+ if (is_first) {
+ this->EndIME(window_handle);
+ is_first = false;
+ }
+}
+
+
+void GHOST_ImeWin32::ResetComposition(HWND window_handle)
+{
+ /* Currently, just reset the composition status. */
+ is_composing_ = false;
+}
+
+
+void GHOST_ImeWin32::CompleteComposition(HWND window_handle, HIMC imm_context)
+{
+ /**
+ * We have to confirm there is an ongoing composition before completing it.
+ * This is for preventing some IMEs from getting confused while completing an
+ * ongoing composition even if they do not have any ongoing compositions.)
+ */
+ if (is_composing_) {
+ ::ImmNotifyIME(imm_context, NI_COMPOSITIONSTR, CPS_COMPLETE, 0);
+ ResetComposition(window_handle);
+ }
+}
+
+
+void GHOST_ImeWin32::GetCaret(HIMC imm_context, LPARAM lparam, ImeComposition *composition)
+{
+ /**
+ * This operation is optional and language-dependent because the caret
+ * style is depended on the language, e.g.:
+ * * Korean IMEs: the caret is a blinking block,
+ * (It contains only one hangul character);
+ * * Chinese IMEs: the caret is a blinking line,
+ * (i.e. they do not need to retrieve the target selection);
+ * * Japanese IMEs: the caret is a selection (or underlined) block,
+ * (which can contain one or more Japanese characters).
+ */
+ int target_start = -1;
+ int target_end = -1;
+ switch (PRIMARYLANGID(input_language_id_)) {
+ case LANG_KOREAN:
+ if (lparam & CS_NOMOVECARET) {
+ target_start = 0;
+ target_end = 1;
+ }
+ break;
+ case LANG_CHINESE:
+ {
+ int clause_size = ImmGetCompositionStringW(imm_context, GCS_COMPCLAUSE, NULL, 0);
+ if (clause_size) {
+ static std::vector<unsigned long> clauses;
+ clause_size = clause_size / sizeof(clauses[0]);
+ clauses.resize(clause_size);
+ ImmGetCompositionStringW(imm_context, GCS_COMPCLAUSE, &clauses[0],
+ sizeof(clauses[0]) *clause_size);
+ if (composition->cursor_position == composition->ime_string.size()) {
+ target_start = clauses[clause_size - 2];
+ target_end = clauses[clause_size - 1];
+ }
+ else {
+ for (int i = 0; i < clause_size - 1; i++) {
+ if (clauses[i] == composition->cursor_position) {
+ target_start = clauses[i];
+ target_end = clauses[i + 1];
+ break;
+ }
+ }
+ }
+ }
+ else {
+ if (composition->cursor_position != -1) {
+ target_start = composition->cursor_position;
+ target_end = composition->ime_string.size();
+ }
+ }
+ break;
+ }
+ case LANG_JAPANESE:
+
+ /**
+ * For Japanese IMEs, the robustest way to retrieve the caret
+ * is scanning the attribute of the latest composition string and
+ * retrieving the begining and the end of the target clause, i.e.
+ * a clause being converted.
+ */
+ if (lparam & GCS_COMPATTR) {
+ int attribute_size = ::ImmGetCompositionStringW(imm_context,
+ GCS_COMPATTR,
+ NULL, 0);
+ if (attribute_size > 0) {
+ char *attribute_data = new char[
@@ Diff output truncated at 10240 characters. @@
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