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@ -9,38 +9,7 @@ |
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#include "TextEditorWidget.h" |
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class CharContents { |
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public: |
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char c; |
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double width; |
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}; |
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class LineConentents { |
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public: |
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LineConentents() { |
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this->charContents = NULL; |
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} |
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~LineConentents() { |
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for (GList * l = this->charContents; l != NULL; l = l->next) { |
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CharContents * c = (CharContents *) l->data; |
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delete c; |
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} |
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g_list_free(this->charContents); |
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this->charContents = NULL; |
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} |
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void insertChar(double width, char ch) { |
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CharContents * c = new CharContents(); |
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c->width = width; |
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c->c = ch; |
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this->charContents = g_list_append(this->charContents, c); |
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} |
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double y; |
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double height; |
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GList * charContents; |
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}; |
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// TODO: implement drag & drop
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TextEditor::TextEditor(PageView * gui, Text * text, bool ownText) { |
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this->gui = gui; |
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@ -52,7 +21,7 @@ TextEditor::TextEditor(PageView * gui, Text * text, bool ownText) { |
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this->cursorOverwrite = false; |
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this->needImReset = false; |
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this->textWidget = gtk_xoj_int_txt_new(this); |
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this->contents = NULL; |
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this->layout = NULL; |
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this->virtualCursor = 0; |
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this->markPosX = 0; |
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this->markPosY = 0; |
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@ -60,7 +29,6 @@ TextEditor::TextEditor(PageView * gui, Text * text, bool ownText) { |
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this->markPosQueue = false; |
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this->mouseDown = 0; |
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this->undoActions = NULL; |
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this->fContentsChanged = false; |
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this->lastText = text->getText(); |
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this->buffer = gtk_text_buffer_new(NULL); |
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@ -68,6 +36,7 @@ TextEditor::TextEditor(PageView * gui, Text * text, bool ownText) { |
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if (txt == NULL) { |
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txt = ""; |
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} |
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gtk_text_buffer_set_text(this->buffer, txt, -1); |
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GtkTextIter first = { 0 }; |
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@ -78,16 +47,16 @@ TextEditor::TextEditor(PageView * gui, Text * text, bool ownText) { |
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g_object_get(settings, "gtk-cursor-blink-time", &this->cursorBlinkTime, NULL); |
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g_object_get(settings, "gtk-cursor-blink-timeout", &this->cursorBlinkTimeout, NULL); |
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this->im_context = gtk_im_context_simple_new(); |
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gtk_im_context_focus_in(this->im_context); |
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this->imContext = gtk_im_context_simple_new(); |
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gtk_im_context_focus_in(this->imContext); |
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g_signal_connect (this->im_context, "commit", |
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g_signal_connect (this->imContext, "commit", |
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G_CALLBACK (iMCommitCallback), this); |
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g_signal_connect (this->im_context, "preedit-changed", |
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g_signal_connect (this->imContext, "preedit-changed", |
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G_CALLBACK (iMPreeditChangedCallback), this); |
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g_signal_connect (this->im_context, "retrieve-surrounding", |
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g_signal_connect (this->imContext, "retrieve-surrounding", |
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G_CALLBACK (iMRetrieveSurroundingCallback), this); |
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g_signal_connect (this->im_context, "delete-surrounding", |
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g_signal_connect (this->imContext, "delete-surrounding", |
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G_CALLBACK (imDeleteSurroundingCallback), this); |
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blinkCallback(this); |
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@ -130,7 +99,7 @@ TextEditor::~TextEditor() { |
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g_source_remove(this->blinkTimeout); |
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} |
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g_object_unref(this->im_context); |
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g_object_unref(this->imContext); |
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this->text = NULL; |
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} |
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@ -228,13 +197,12 @@ void TextEditor::iMPreeditChangedCallback(GtkIMContext *context, TextEditor * te |
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bool TextEditor::iMRetrieveSurroundingCallback(GtkIMContext *context, TextEditor * te) { |
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GtkTextIter start; |
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GtkTextIter end; |
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gint pos; |
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gchar *text; |
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gtk_text_buffer_get_iter_at_mark(te->buffer, &start, gtk_text_buffer_get_insert(te->buffer)); |
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end = start; |
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pos = gtk_text_iter_get_line_index(&start); |
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gint pos = gtk_text_iter_get_line_index(&start); |
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gtk_text_iter_set_line_offset(&start, 0); |
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gtk_text_iter_forward_to_line_end(&end); |
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@ -271,13 +239,13 @@ bool TextEditor::onKeyPressEvent(GdkEventKey *event) { |
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} |
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bool retval = false; |
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gboolean obscure = false; |
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bool obscure = false; |
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GtkTextIter iter; |
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GtkTextMark* insert = gtk_text_buffer_get_insert(this->buffer); |
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gtk_text_buffer_get_iter_at_mark(this->buffer, &iter, insert); |
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bool canInsert = gtk_text_iter_can_insert(&iter, true); |
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if (gtk_im_context_filter_keypress(this->im_context, event)) { |
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if (gtk_im_context_filter_keypress(this->imContext, event)) { |
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this->needImReset = true; |
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if (!canInsert) { |
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this->resetImContext(); |
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@ -315,7 +283,7 @@ bool TextEditor::onKeyReleaseEvent(GdkEventKey *event) { |
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GtkTextMark *insert = gtk_text_buffer_get_insert(this->buffer); |
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gtk_text_buffer_get_iter_at_mark(this->buffer, &iter, insert); |
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if (gtk_text_iter_can_insert(&iter, true) && gtk_im_context_filter_keypress(this->im_context, event)) { |
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if (gtk_text_iter_can_insert(&iter, true) && gtk_im_context_filter_keypress(this->imContext, event)) { |
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this->needImReset = true; |
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return true; |
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} |
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@ -447,43 +415,19 @@ void TextEditor::moveCursor(GtkMovementStep step, int count, bool extend_selecti |
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} |
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void TextEditor::findPos(GtkTextIter * iter, double xPos, double yPos) { |
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int line = 0; |
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for (GList * l = this->contents; l != NULL; l = l->next, line++) { |
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LineConentents * lc = (LineConentents *) l->data; |
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if (lc->y > yPos) { |
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break; |
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} |
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} |
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gtk_text_iter_set_line(iter, line); |
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LineConentents * lc = (LineConentents *) g_list_nth_data(this->contents, line); |
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if (!lc) { |
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if (!this->layout) { |
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return; |
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} |
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double x = 0; |
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double lastPadding = ABS(xPos - x); |
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int id = 0; |
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for (GList * l = lc->charContents; l != NULL; l = l->next, id++) { |
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CharContents * c = (CharContents *) l->data; |
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x += c->width; |
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double padding = ABS(xPos - x); |
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if (padding > lastPadding) { |
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break; |
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} else { |
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lastPadding = padding; |
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} |
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int index = 0; |
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if(!pango_layout_xy_to_index(this->layout, xPos * PANGO_SCALE, yPos * PANGO_SCALE, &index, NULL)) { |
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index++; |
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} |
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gtk_text_iter_set_line_offset(iter, id); |
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gtk_text_iter_set_offset(iter, index); |
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} |
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void TextEditor::contentsChanged(bool forceCreateUndoAction) { |
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this->fContentsChanged = true; |
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String currentText = getText()->getText(); |
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if (forceCreateUndoAction || ABS(lastText.length()-currentText.length()) > 100) { |
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@ -507,7 +451,7 @@ UndoAction * TextEditor::getFirstUndoAction() { |
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} |
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void TextEditor::markPos(double x, double y, bool extendSelection) { |
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if (this->contents == NULL) { |
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if (this->layout == NULL) { |
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this->markPosX = x; |
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this->markPosY = y; |
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this->markPosExtendSelection = extendSelection; |
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@ -548,28 +492,19 @@ void TextEditor::mouseReleased() { |
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void TextEditor::jumpALine(GtkTextIter * textIter, int count) { |
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int cursorLine = gtk_text_iter_get_line(textIter); |
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LineConentents * lc = (LineConentents *) g_list_nth_data(this->contents, cursorLine + count); |
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if (!lc) { |
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if(cursorLine + count < 0) { |
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return; |
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} |
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double x = 0; |
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double lastPadding = ABS(this->virtualCursor-x); |
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int id = 0; |
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for (GList * l = lc->charContents; l != NULL; l = l->next, id++) { |
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CharContents * c = (CharContents *) l->data; |
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x += c->width; |
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double padding = ABS(this->virtualCursor-x); |
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if (padding > lastPadding) { |
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break; |
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} else { |
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lastPadding = padding; |
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} |
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PangoLayoutLine * line = pango_layout_get_line(this->layout, cursorLine + count); |
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if(line == NULL) { |
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return; |
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} |
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gtk_text_iter_set_line(textIter, cursorLine + count); |
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gtk_text_iter_set_line_offset(textIter, id); |
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int index = 0; |
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pango_layout_line_x_to_index(line, this->virtualCursor * PANGO_SCALE, &index, NULL); |
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gtk_text_iter_set_offset(textIter, index); |
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} |
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void TextEditor::calcVirtualCursor() { |
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@ -577,19 +512,12 @@ void TextEditor::calcVirtualCursor() { |
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GtkTextIter cursorIter = { 0 }; |
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GtkTextMark * cursor = gtk_text_buffer_get_insert(this->buffer); |
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gtk_text_buffer_get_iter_at_mark(this->buffer, &cursorIter, cursor); |
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int cursorLine = gtk_text_iter_get_line(&cursorIter); |
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int cursorPos = gtk_text_iter_get_line_offset(&cursorIter); |
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LineConentents * lc = (LineConentents *) g_list_nth_data(this->contents, cursorLine); |
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if (!lc) { |
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return; |
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} |
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int offset = gtk_text_iter_get_offset(&cursorIter); |
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int id = 0; |
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for (GList * l = lc->charContents; l != NULL && id < cursorPos; l = l->next, id++) { |
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CharContents * c = (CharContents *) l->data; |
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this->virtualCursor += c->width; |
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} |
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PangoRectangle rect = { 0 }; |
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pango_layout_index_to_pos(this->layout, offset, &rect); |
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this->virtualCursor = ((double) rect.x) / PANGO_SCALE; |
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} |
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void TextEditor::moveCursor(const GtkTextIter *new_location, gboolean extend_selection) { |
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@ -800,7 +728,7 @@ void TextEditor::pasteFromClipboard() { |
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void TextEditor::resetImContext() { |
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if (this->needImReset) { |
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this->needImReset = false; |
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gtk_im_context_reset(this->im_context); |
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gtk_im_context_reset(this->imContext); |
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} |
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} |
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@ -841,7 +769,7 @@ void TextEditor::redrawEditor() { |
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gtk_widget_queue_draw(gui->getWidget()); |
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} |
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void TextEditor::drawCursor(cairo_t * cr, double & x0, double & x, double & y, cairo_font_extents_t & fe, double zoom) { |
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void TextEditor::drawCursor(cairo_t * cr, double x, double y, double height, double zoom) { |
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double cw = 2 / zoom; |
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double dX = 0; |
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if (this->cursorOverwrite) { |
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@ -853,182 +781,114 @@ void TextEditor::drawCursor(cairo_t * cr, double & x0, double & x, double & y, c |
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// Not draw cursor if a move is pending
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if (!this->markPosQueue) { |
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cairo_rectangle(cr, x0 + x + dX, y - fe.height + fe.descent, cw, fe.height); |
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if (this->cursorVisible) { |
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cairo_set_source_rgb(cr, 0, 0, 0); |
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} else { |
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cairo_set_source_rgb(cr, 1, 1, 1); |
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cairo_rectangle(cr, x + dX, y, cw, height); |
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cairo_fill(cr); |
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} |
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cairo_fill(cr); |
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} |
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DocumentView::applyColor(cr, this->text); |
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if (!preeditString.isEmpty()) { |
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cairo_text_extents_t ex = { 0 }; |
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cairo_text_extents(cr, this->preeditString.c_str(), &ex); |
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cairo_move_to(cr, x0 + x, y); |
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cairo_show_text(cr, this->preeditString.c_str()); |
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cairo_set_line_width(cr, 1 / zoom); |
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cairo_move_to(cr, x0 + x, y + 2); |
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x += ex.x_advance; |
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cairo_line_to(cr, x0 + x, y + 2); |
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cairo_stroke(cr); |
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} |
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} |
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void TextEditor::paint(cairo_t * cr, GdkEventExpose *event, double zoom) { |
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double x0 = this->text->getX(); |
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double y0 = this->text->getY(); |
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double y = y0; |
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double width = 0; |
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GdkColor selectionColor = gui->getSelectionColor(); |
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DocumentView::applyColor(cr, this->text); |
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TextView::initCairo(cr, this->text); |
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cairo_save(cr); |
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cairo_text_extents_t extents = { 0 }; |
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cairo_font_extents_t fe = { 0 }; |
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DocumentView::applyColor(cr, this->text); |
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// This need to be here, why...? I don't know, the size should be calculated anyway if t->getX() is called...
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this->text->getElementWidth(); |
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y += 3; |
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cairo_font_extents(cr, &fe); |
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GtkTextIter iter = { 0 }; |
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gtk_text_buffer_get_iter_at_offset(this->buffer, &iter, 0); |
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gunichar c = 1; |
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int line = 0; |
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int pos = 0; |
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GtkTextIter cursorIter = { 0 }; |
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GtkTextMark * cursor = gtk_text_buffer_get_insert(this->buffer); |
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gtk_text_buffer_get_iter_at_mark(this->buffer, &cursorIter, cursor); |
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int cursorLine = gtk_text_iter_get_line(&cursorIter); |
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int cursorPos = gtk_text_iter_get_line_offset(&cursorIter); |
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GtkTextIter start; |
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GtkTextIter end; |
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bool hasSelection = gtk_text_buffer_get_selection_bounds(this->buffer, &start, &end); |
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bool inSelection = false; |
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if (this->fContentsChanged) { |
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for (GList * l = this->contents; l != NULL; l = l->next) { |
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LineConentents * contents = (LineConentents *) l->data; |
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delete contents; |
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} |
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double x0 = this->text->getX(); |
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double y0 = this->text->getY(); |
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cairo_translate(cr, x0, y0); |
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g_list_free(this->contents); |
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this->contents = NULL; |
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this->fContentsChanged = false; |
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if (this->layout) { |
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g_object_unref(this->layout); |
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} |
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this->layout = TextView::initPango(cr, this->text); |
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// per line
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do { |
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LineConentents * lc = new LineConentents(); |
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this->contents = g_list_append(this->contents, lc); |
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y += fe.height - fe.descent; |
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lc->y = y - y0; |
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lc->height = fe.height - fe.descent; |
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double x = 0; |
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pos = 0; |
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// per char
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while (!gtk_text_iter_ends_line(&iter) && c) { |
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c = gtk_text_iter_get_char(&iter); |
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if (hasSelection) { |
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if (inSelection && gtk_text_iter_compare(&iter, &end) >= 0) { |
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inSelection = false; |
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// do not process selection again
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hasSelection = false; |
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} else if (!inSelection && gtk_text_iter_compare(&start, &iter) <= 0) { |
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inSelection = true; |
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} |
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} |
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gunichar tmp[2] = { 0, 0 }; |
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tmp[0] = c; |
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cairo_text_extents_t ex = { 0 }; |
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cairo_text_extents(cr, (const char *) tmp, &ex); |
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if (inSelection) { |
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cairo_set_source_rgb(cr, selectionColor.red / 65536.0, selectionColor.green / 65536.0, |
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selectionColor.blue / 65536.0); |
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if (!preeditString.isEmpty()) { |
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String text = this->text->getText(); |
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int pos = gtk_text_iter_get_offset(&cursorIter); |
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String txt = text.substring(0, pos); |
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txt += preeditString; |
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txt += text.substring(pos); |
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double width = ex.x_advance; |
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if (c == '\t') { |
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int tab = x / TextView::TAB_INDEX + 1; |
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width = tab * TextView::TAB_INDEX - x; |
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} |
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PangoAttribute * attrib = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE); |
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PangoAttrList * list = pango_layout_get_attributes(this->layout); |
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cairo_rectangle(cr, x + x0 - 0.5, y - fe.height + fe.descent, width + 1, fe.height); |
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cairo_fill(cr); |
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attrib->start_index = pos; |
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attrib->end_index = pos + preeditString.size(); |
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DocumentView::applyColor(cr, this->text); |
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} |
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if (list == NULL) { |
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list = pango_attr_list_new(); |
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pango_layout_set_attributes(this->layout, list); |
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} |
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pango_attr_list_insert(list, attrib); |
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if (cursorLine == line && cursorPos == pos) { |
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drawCursor(cr, x0, x, y, fe, zoom); |
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} |
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pango_layout_set_text(layout, txt.c_str(), txt.size()); |
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} else { |
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String txt = this->text->getText(); |
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pango_layout_set_text(layout, txt.c_str(), txt.size()); |
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} |
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if (c == '\t') { |
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double lastX = x; |
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int tab = x / TextView::TAB_INDEX + 1; |
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x = tab * TextView::TAB_INDEX; |
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lc->insertChar(x - lastX, '\t'); |
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} else { |
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cairo_move_to(cr, x + x0, y); |
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cairo_show_text(cr, (const char *) tmp); |
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GtkTextIter start; |
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GtkTextIter end; |
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bool hasSelection = gtk_text_buffer_get_selection_bounds(this->buffer, &start, &end); |
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x += ex.x_advance; |
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lc->insertChar(ex.x_advance, (char) c); |
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} |
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if (hasSelection) { |
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PangoAttribute * attrib = pango_attr_background_new(selectionColor.red, selectionColor.green, |
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selectionColor.blue); |
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PangoAttrList * list = pango_layout_get_attributes(this->layout); |
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if (!gtk_text_iter_forward_char(&iter)) { |
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c = 0; |
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} |
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pos++; |
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} |
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attrib->start_index = gtk_text_iter_get_offset(&start); |
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|
attrib->end_index = gtk_text_iter_get_offset(&end); |
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|
if (cursorLine == line && cursorPos == pos) { |
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|
|
drawCursor(cr, x0, x, y, fe, zoom); |
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|
if (list == NULL) { |
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|
|
list = pango_attr_list_new(); |
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|
|
pango_layout_set_attributes(this->layout, list); |
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|
} |
|
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|
|
pango_attr_list_insert(list, attrib); |
|
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|
} |
|
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|
|
y += fe.height * 0.25; |
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|
|
// printf("\n");
|
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|
|
pango_cairo_show_layout(cr, layout); |
|
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|
|
int w = 0; |
|
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|
|
int h = 0; |
|
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|
|
pango_layout_get_size(this->layout, &w, &h); |
|
|
|
|
double width = ((double) w) / PANGO_SCALE; |
|
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|
|
double height = ((double) h) / PANGO_SCALE; |
|
|
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|
|
width = MAX(width, x); |
|
|
|
|
int offset = gtk_text_iter_get_offset(&cursorIter); |
|
|
|
|
PangoRectangle rect = { 0 }; |
|
|
|
|
pango_layout_index_to_pos(layout, offset + preeditString.size(), &rect); |
|
|
|
|
double cX = ((double) rect.x) / PANGO_SCALE; |
|
|
|
|
double cY = ((double) rect.y) / PANGO_SCALE; |
|
|
|
|
double cHeight = ((double) rect.height) / PANGO_SCALE; |
|
|
|
|
|
|
|
|
|
if (gtk_text_iter_is_end(&iter)) { |
|
|
|
|
break; |
|
|
|
|
} |
|
|
|
|
drawCursor(cr, cX, cY, cHeight, zoom); |
|
|
|
|
|
|
|
|
|
gtk_text_iter_forward_line(&iter); |
|
|
|
|
line++; |
|
|
|
|
} while (c); |
|
|
|
|
cairo_restore(cr); |
|
|
|
|
|
|
|
|
|
// set the line always the same size on display
|
|
|
|
|
cairo_set_line_width(cr, 1 / zoom); |
|
|
|
|
cairo_set_source_rgb(cr, selectionColor.red / 65536.0, selectionColor.green / 65536.0, selectionColor.blue |
|
|
|
|
/ 65536.0); |
|
|
|
|
|
|
|
|
|
cairo_rectangle(cr, x0 - 5 / zoom, y0 - 5 / zoom, width + 10 / zoom, y - y0 + 10 / zoom); |
|
|
|
|
cairo_rectangle(cr, x0 - 5 / zoom, y0 - 5 / zoom, width + 10 / zoom, height + 10 / zoom); |
|
|
|
|
cairo_stroke(cr); |
|
|
|
|
|
|
|
|
|
this->text->setWidth(width); |
|
|
|
|
this->text->setHeight(y - y0); |
|
|
|
|
this->text->setHeight(height); |
|
|
|
|
|
|
|
|
|
if (this->markPosQueue) { |
|
|
|
|
this->markPosQueue = false; |
|
|
|
|
markPos(this->markPosX, this->markPosY, this->markPosExtendSelection); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
} |
|
|
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|
andreasb123
15 years ago