diff options
Diffstat (limited to 'documentation/editor.html')
| -rw-r--r-- | documentation/editor.html | 90 |
1 files changed, 45 insertions, 45 deletions
diff --git a/documentation/editor.html b/documentation/editor.html index 587c4cda6..c2dc39ad3 100644 --- a/documentation/editor.html +++ b/documentation/editor.html @@ -123,22 +123,22 @@ m->copy(menuitems); widget to edit the text: <UL><PRE> -w->editor = new Fl_Text_Editor(0, 30, 640, 370); -w->editor->buffer(textbuf); +w->editor = new Fl_Text_Editor(0, 30, 640, 370); +w->editor->buffer(textbuf); </PRE></UL> <P>So that we can keep track of changes to the file, we also want to add a "modify" callback:</P> <UL><PRE> -textbuf->add_modify_callback(changed_cb, w); -textbuf->call_modify_callbacks(); +textbuf->add_modify_callback(changed_cb, w); +textbuf->call_modify_callbacks(); </PRE></UL> <P>Finally, we want to use a mono-spaced font like <TT>FL_COURIER</TT>: <UL><PRE> -w->editor->textfont(FL_COURIER); +w->editor->textfont(FL_COURIER); </PRE></UL> <H2>The Replace Dialog</H2> @@ -181,7 +181,7 @@ void changed_cb(int, int nInserted, int nDeleted,int, const char*, void* v) { if ((nInserted || nDeleted) && !loading) changed = 1; EditorWindow *w = (EditorWindow *)v; set_title(w); - if (loading) w->editor->show_insert_position(); + if (loading) w->editor->show_insert_position(); } </PRE></UL> @@ -199,7 +199,7 @@ to copy the currently selected text to the clipboard:</P> <UL><PRE> void copy_cb(Fl_Widget*, void* v) { EditorWindow* e = (EditorWindow*)v; - Fl_Text_Editor::kf_copy(0, e->editor); + Fl_Text_Editor::kf_copy(0, e->editor); } </PRE></UL> @@ -212,7 +212,7 @@ to cut the currently selected text to the clipboard:</P> <UL><PRE> void cut_cb(Fl_Widget*, void* v) { EditorWindow* e = (EditorWindow*)v; - Fl_Text_Editor::kf_cut(0, e->editor); + Fl_Text_Editor::kf_cut(0, e->editor); } </PRE></UL> @@ -224,7 +224,7 @@ to delete the currently selected text to the clipboard:</P> <UL><PRE> void delete_cb(Fl_Widget*, void* v) { - textbuf->remove_selection(); + textbuf->remove_selection(); } </PRE></UL> @@ -240,10 +240,10 @@ void find_cb(Fl_Widget* w, void* v) { EditorWindow* e = (EditorWindow*)v; const char *val; - val = fl_input("Search String:", e->search); + val = fl_input("Search String:", e->search); if (val != NULL) { // User entered a string - go find it! - strcpy(e->search, val); + strcpy(e->search, val); find2_cb(w, v); } </PRE></UL> @@ -257,21 +257,21 @@ search dialog: <UL><PRE> void find2_cb(Fl_Widget* w, void* v) { EditorWindow* e = (EditorWindow*)v; - if (e->search[0] == '\0') { + if (e->search[0] == '\0') { // Search string is blank; get a new one... find_cb(w, v); return; } - int pos = e->editor->insert_position(); - int found = textbuf->search_forward(pos, e->search, &pos); + int pos = e->editor->insert_position(); + int found = textbuf->search_forward(pos, e->search, &pos); if (found) { // Found a match; select and update the position... - textbuf->select(pos, pos+strlen(e->search)); - e->editor->insert_position(pos+strlen(e->search)); - e->editor->show_insert_position(); + textbuf->select(pos, pos+strlen(e->search)); + e->editor->insert_position(pos+strlen(e->search)); + e->editor->show_insert_position(); } - else fl_alert("No occurrences of \'%s\' found!", e->search); + else fl_alert("No occurrences of \'%s\' found!", e->search); } </PRE></UL> @@ -289,10 +289,10 @@ void new_cb(Fl_Widget*, void*) { if (!check_save()) return; filename[0] = '\0'; - textbuf->select(0, textbuf->length()); - textbuf->remove_selection(); + textbuf->select(0, textbuf->length()); + textbuf->remove_selection(); changed = 0; - textbuf->call_modify_callbacks(); + textbuf->call_modify_callbacks(); } </PRE></UL> @@ -323,7 +323,7 @@ to paste the clipboard at the current position:</P> <UL><PRE> void paste_cb(Fl_Widget*, void* v) { EditorWindow* e = (EditorWindow*)v; - Fl_Text_Editor::kf_paste(0, e->editor); + Fl_Text_Editor::kf_paste(0, e->editor); } </PRE></UL> @@ -569,7 +569,7 @@ void set_title(Fl_Window* w) { if (changed) strcat(title, " (modified)"); - w->label(title); + w->label(title); } </PRE></UL> @@ -587,9 +587,9 @@ int main(int argc, char **argv) { Fl_Window* window = new_view(); - window->show(1, argv); + window->show(1, argv); - if (argc > 1) load_file(argv[1], -1); + if (argc > 1) load_file(argv[1], -1); return Fl::run(); } @@ -642,7 +642,7 @@ size of the text that is drawn. <P>Styles are defined using the <CODE>Fl_Text_Display::Style_Table_Entry</CODE> structure -defined in <CODE><FL/Fl_Text_Display.H></CODE>: +defined in <CODE><FL/Fl_Text_Display.H></CODE>: <UL><PRE> struct Style_Table_Entry { @@ -683,7 +683,7 @@ style data and buffer with the text editor widget: <UL><PRE> Fl_Text_Buffer *stylebuf; -w->editor->highlight_data(stylebuf, styletable, +w->editor->highlight_data(stylebuf, styletable, sizeof(styletable) / sizeof(styletable[0]), 'A', style_unfinished_cb, 0); </PRE></UL> @@ -692,7 +692,7 @@ w->editor->highlight_data(stylebuf, styletable, that changes to the text buffer are mirrored in the style buffer: <UL><PRE> -textbuf->add_modify_callback(style_update, w->editor); +textbuf->add_modify_callback(style_update, w->editor); </PRE></UL> <P>The <CODE>style_update()</CODE> function, like the <CODE>change_cb()</CODE> @@ -721,43 +721,43 @@ style_update(int pos, // I - Position of update // If this is just a selection change, just unselect the style buffer... if (nInserted == 0 && nDeleted == 0) { - stylebuf->unselect(); + stylebuf->unselect(); return; } // Track changes in the text buffer... - if (nInserted > 0) { + if (nInserted > 0) { // Insert characters into the style buffer... style = new char[nInserted + 1]; memset(style, 'A', nInserted); style[nInserted] = '\0'; - stylebuf->replace(pos, pos + nDeleted, style); + stylebuf->replace(pos, pos + nDeleted, style); delete[] style; } else { // Just delete characters in the style buffer... - stylebuf->remove(pos, pos + nDeleted); + stylebuf->remove(pos, pos + nDeleted); } // Select the area that was just updated to avoid unnecessary // callbacks... - stylebuf->select(pos, pos + nInserted - nDeleted); + stylebuf->select(pos, pos + nInserted - nDeleted); // Re-parse the changed region; we do this by parsing from the // beginning of the line of the changed region to the end of // the line of the changed region... Then we check the last // style character and keep updating if we have a multi-line // comment character... - start = textbuf->line_start(pos); - end = textbuf->line_end(pos + nInserted - nDeleted); - text = textbuf->text_range(start, end); - style = stylebuf->text_range(start, end); + start = textbuf->line_start(pos); + end = textbuf->line_end(pos + nInserted - nDeleted); + text = textbuf->text_range(start, end); + style = stylebuf->text_range(start, end); last = style[end - start - 1]; style_parse(text, style, end - start); - stylebuf->replace(start, end, style); - ((Fl_Text_Editor *)cbArg)->redisplay_range(start, end); + stylebuf->replace(start, end, style); + ((Fl_Text_Editor *)cbArg)->redisplay_range(start, end); if (last != style[end - start - 1]) { // The last character on the line changed styles, so reparse the @@ -765,14 +765,14 @@ style_update(int pos, // I - Position of update free(text); free(style); - end = textbuf->length(); - text = textbuf->text_range(start, end); - style = stylebuf->text_range(start, end); + end = textbuf->length(); + text = textbuf->text_range(start, end); + style = stylebuf->text_range(start, end); style_parse(text, style, end - start); - stylebuf->replace(start, end, style); - ((Fl_Text_Editor *)cbArg)->redisplay_range(start, end); + stylebuf->replace(start, end, style); + ((Fl_Text_Editor *)cbArg)->redisplay_range(start, end); } free(text); @@ -800,7 +800,7 @@ style_parse(const char *text, *bufptr; const char *temp; - for (current = *style, col = 0, last = 0; length > 0; length --, text ++) { + for (current = *style, col = 0, last = 0; length > 0; length --, text ++) { if (current == 'A') { // Check for directives, comments, strings, and keywords... if (col == 0 && *text == '#') { |