diff options
| author | Yuval Adam <yuv.adm@gmail.com> | 2014-08-08 14:42:07 +0300 |
|---|---|---|
| committer | Yuval Adam <yuv.adm@gmail.com> | 2014-08-08 14:42:07 +0300 |
| commit | a6163888f3c56123b1db313743c6147ba498732c (patch) | |
| tree | ff7d15d991d1d09ba6cbc0cec80924f57445bfdd /third_party/windows/fltk-1.1.10/src/Fl_Text_Editor.cxx | |
| parent | c3e4c9a25c2910d2d66d52215b3406b13d5b23d5 (diff) | |
Add third_party libs
Diffstat (limited to 'third_party/windows/fltk-1.1.10/src/Fl_Text_Editor.cxx')
| -rw-r--r-- | third_party/windows/fltk-1.1.10/src/Fl_Text_Editor.cxx | 492 |
1 files changed, 492 insertions, 0 deletions
diff --git a/third_party/windows/fltk-1.1.10/src/Fl_Text_Editor.cxx b/third_party/windows/fltk-1.1.10/src/Fl_Text_Editor.cxx new file mode 100644 index 0000000..4750896 --- /dev/null +++ b/third_party/windows/fltk-1.1.10/src/Fl_Text_Editor.cxx @@ -0,0 +1,492 @@ +//
+// "$Id: Fl_Text_Editor.cxx 5671 2007-02-08 07:58:47Z matt $"
+//
+// Copyright 2001-2006 by Bill Spitzak and others.
+// Original code Copyright Mark Edel. Permission to distribute under
+// the LGPL for the FLTK library granted by Mark Edel.
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Library General Public
+// License as published by the Free Software Foundation; either
+// version 2 of the License, or (at your option) any later version.
+//
+// This library 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
+// Library General Public License for more details.
+//
+// You should have received a copy of the GNU Library General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+// USA.
+//
+// Please report all bugs and problems on the following page:
+//
+// http://www.fltk.org/str.php
+//
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "flstring.h"
+#include <ctype.h>
+#include <FL/Fl.H>
+#include <FL/Fl_Window.H>
+#include <FL/Fl_Text_Editor.H>
+#include <FL/fl_ask.H>
+
+
+Fl_Text_Editor::Fl_Text_Editor(int X, int Y, int W, int H, const char* l)
+ : Fl_Text_Display(X, Y, W, H, l) {
+ mCursorOn = 1;
+ insert_mode_ = 1;
+ key_bindings = 0;
+
+ // handle the default key bindings
+ add_default_key_bindings(&key_bindings);
+
+ // handle everything else
+ default_key_function(kf_default);
+}
+
+Fl_Text_Editor::Key_Binding* Fl_Text_Editor::global_key_bindings = 0;
+
+// These are the default key bindings every widget should start with
+static struct {
+ int key;
+ int state;
+ Fl_Text_Editor::Key_Func func;
+} default_key_bindings[] = {
+ { FL_Escape, FL_TEXT_EDITOR_ANY_STATE, Fl_Text_Editor::kf_ignore },
+ { FL_Enter, FL_TEXT_EDITOR_ANY_STATE, Fl_Text_Editor::kf_enter },
+ { FL_KP_Enter, FL_TEXT_EDITOR_ANY_STATE, Fl_Text_Editor::kf_enter },
+ { FL_BackSpace, FL_TEXT_EDITOR_ANY_STATE, Fl_Text_Editor::kf_backspace },
+ { FL_Insert, FL_TEXT_EDITOR_ANY_STATE, Fl_Text_Editor::kf_insert },
+ { FL_Delete, FL_TEXT_EDITOR_ANY_STATE, Fl_Text_Editor::kf_delete },
+ { FL_Home, 0, Fl_Text_Editor::kf_move },
+ { FL_End, 0, Fl_Text_Editor::kf_move },
+ { FL_Left, 0, Fl_Text_Editor::kf_move },
+ { FL_Up, 0, Fl_Text_Editor::kf_move },
+ { FL_Right, 0, Fl_Text_Editor::kf_move },
+ { FL_Down, 0, Fl_Text_Editor::kf_move },
+ { FL_Page_Up, 0, Fl_Text_Editor::kf_move },
+ { FL_Page_Down, 0, Fl_Text_Editor::kf_move },
+ { FL_Home, FL_SHIFT, Fl_Text_Editor::kf_shift_move },
+ { FL_End, FL_SHIFT, Fl_Text_Editor::kf_shift_move },
+ { FL_Left, FL_SHIFT, Fl_Text_Editor::kf_shift_move },
+ { FL_Up, FL_SHIFT, Fl_Text_Editor::kf_shift_move },
+ { FL_Right, FL_SHIFT, Fl_Text_Editor::kf_shift_move },
+ { FL_Down, FL_SHIFT, Fl_Text_Editor::kf_shift_move },
+ { FL_Page_Up, FL_SHIFT, Fl_Text_Editor::kf_shift_move },
+ { FL_Page_Down, FL_SHIFT, Fl_Text_Editor::kf_shift_move },
+ { FL_Home, FL_CTRL, Fl_Text_Editor::kf_ctrl_move },
+ { FL_End, FL_CTRL, Fl_Text_Editor::kf_ctrl_move },
+ { FL_Left, FL_CTRL, Fl_Text_Editor::kf_ctrl_move },
+ { FL_Up, FL_CTRL, Fl_Text_Editor::kf_ctrl_move },
+ { FL_Right, FL_CTRL, Fl_Text_Editor::kf_ctrl_move },
+ { FL_Down, FL_CTRL, Fl_Text_Editor::kf_ctrl_move },
+ { FL_Page_Up, FL_CTRL, Fl_Text_Editor::kf_ctrl_move },
+ { FL_Page_Down, FL_CTRL, Fl_Text_Editor::kf_ctrl_move },
+ { FL_Home, FL_CTRL|FL_SHIFT, Fl_Text_Editor::kf_c_s_move },
+ { FL_End, FL_CTRL|FL_SHIFT, Fl_Text_Editor::kf_c_s_move },
+ { FL_Left, FL_CTRL|FL_SHIFT, Fl_Text_Editor::kf_c_s_move },
+ { FL_Up, FL_CTRL|FL_SHIFT, Fl_Text_Editor::kf_c_s_move },
+ { FL_Right, FL_CTRL|FL_SHIFT, Fl_Text_Editor::kf_c_s_move },
+ { FL_Down, FL_CTRL|FL_SHIFT, Fl_Text_Editor::kf_c_s_move },
+ { FL_Page_Up, FL_CTRL|FL_SHIFT, Fl_Text_Editor::kf_c_s_move },
+ { FL_Page_Down, FL_CTRL|FL_SHIFT, Fl_Text_Editor::kf_c_s_move },
+//{ FL_Clear, 0, Fl_Text_Editor::delete_to_eol },
+ { 'z', FL_CTRL, Fl_Text_Editor::kf_undo },
+ { '/', FL_CTRL, Fl_Text_Editor::kf_undo },
+ { 'x', FL_CTRL, Fl_Text_Editor::kf_cut },
+ { FL_Delete, FL_SHIFT, Fl_Text_Editor::kf_cut },
+ { 'c', FL_CTRL, Fl_Text_Editor::kf_copy },
+ { FL_Insert, FL_CTRL, Fl_Text_Editor::kf_copy },
+ { 'v', FL_CTRL, Fl_Text_Editor::kf_paste },
+ { FL_Insert, FL_SHIFT, Fl_Text_Editor::kf_paste },
+ { 'a', FL_CTRL, Fl_Text_Editor::kf_select_all },
+
+#ifdef __APPLE__
+ // Define CMD+key accelerators...
+ { 'z', FL_COMMAND, Fl_Text_Editor::kf_undo },
+ { 'x', FL_COMMAND, Fl_Text_Editor::kf_cut },
+ { 'c', FL_COMMAND, Fl_Text_Editor::kf_copy },
+ { 'v', FL_COMMAND, Fl_Text_Editor::kf_paste },
+ { 'a', FL_COMMAND, Fl_Text_Editor::kf_select_all },
+#endif // __APPLE__
+
+ { 0, 0, 0 }
+};
+
+void Fl_Text_Editor::add_default_key_bindings(Key_Binding** list) {
+ for (int i = 0; default_key_bindings[i].key; i++) {
+ add_key_binding(default_key_bindings[i].key,
+ default_key_bindings[i].state,
+ default_key_bindings[i].func,
+ list);
+ }
+}
+
+Fl_Text_Editor::Key_Func
+Fl_Text_Editor::bound_key_function(int key, int state, Key_Binding* list) {
+ Key_Binding* cur;
+ for (cur = list; cur; cur = cur->next)
+ if (cur->key == key)
+ if (cur->state == FL_TEXT_EDITOR_ANY_STATE || cur->state == state)
+ break;
+ if (!cur) return 0;
+ return cur->function;
+}
+
+void
+Fl_Text_Editor::remove_all_key_bindings(Key_Binding** list) {
+ Key_Binding *cur, *next;
+ for (cur = *list; cur; cur = next) {
+ next = cur->next;
+ delete cur;
+ }
+ *list = 0;
+}
+
+void
+Fl_Text_Editor::remove_key_binding(int key, int state, Key_Binding** list) {
+ Key_Binding *cur, *last = 0;
+ for (cur = *list; cur; last = cur, cur = cur->next)
+ if (cur->key == key && cur->state == state) break;
+ if (!cur) return;
+ if (last) last->next = cur->next;
+ else *list = cur->next;
+ delete cur;
+}
+
+void
+Fl_Text_Editor::add_key_binding(int key, int state, Key_Func function,
+ Key_Binding** list) {
+ Key_Binding* kb = new Key_Binding;
+ kb->key = key;
+ kb->state = state;
+ kb->function = function;
+ kb->next = *list;
+ *list = kb;
+}
+
+////////////////////////////////////////////////////////////////
+
+#define NORMAL_INPUT_MOVE 0
+
+static void kill_selection(Fl_Text_Editor* e) {
+ if (e->buffer()->selected()) {
+ e->insert_position(e->buffer()->primary_selection()->start());
+ e->buffer()->remove_selection();
+ }
+}
+
+int Fl_Text_Editor::kf_default(int c, Fl_Text_Editor* e) {
+ if (!c || (!isprint(c) && c != '\t')) return 0;
+ char s[2] = "\0";
+ s[0] = (char)c;
+ kill_selection(e);
+ if (e->insert_mode()) e->insert(s);
+ else e->overstrike(s);
+ e->show_insert_position();
+ e->set_changed();
+ if (e->when()&FL_WHEN_CHANGED) e->do_callback();
+ return 1;
+}
+
+int Fl_Text_Editor::kf_ignore(int, Fl_Text_Editor*) {
+ return 0; // don't handle
+}
+
+int Fl_Text_Editor::kf_backspace(int, Fl_Text_Editor* e) {
+ if (!e->buffer()->selected() && e->move_left())
+ e->buffer()->select(e->insert_position(), e->insert_position()+1);
+ kill_selection(e);
+ e->show_insert_position();
+ e->set_changed();
+ if (e->when()&FL_WHEN_CHANGED) e->do_callback();
+ return 1;
+}
+
+int Fl_Text_Editor::kf_enter(int, Fl_Text_Editor* e) {
+ kill_selection(e);
+ e->insert("\n");
+ e->show_insert_position();
+ e->set_changed();
+ if (e->when()&FL_WHEN_CHANGED) e->do_callback();
+ return 1;
+}
+
+extern void fl_text_drag_me(int pos, Fl_Text_Display* d);
+
+int Fl_Text_Editor::kf_move(int c, Fl_Text_Editor* e) {
+ int i;
+ int selected = e->buffer()->selected();
+ if (!selected)
+ e->dragPos = e->insert_position();
+ e->buffer()->unselect();
+ switch (c) {
+ case FL_Home:
+ e->insert_position(e->buffer()->line_start(e->insert_position()));
+ break;
+ case FL_End:
+ e->insert_position(e->buffer()->line_end(e->insert_position()));
+ break;
+ case FL_Left:
+ e->move_left();
+ break;
+ case FL_Right:
+ e->move_right();
+ break;
+ case FL_Up:
+ e->move_up();
+ break;
+ case FL_Down:
+ e->move_down();
+ break;
+ case FL_Page_Up:
+ for (i = 0; i < e->mNVisibleLines - 1; i++) e->move_up();
+ break;
+ case FL_Page_Down:
+ for (i = 0; i < e->mNVisibleLines - 1; i++) e->move_down();
+ break;
+ }
+ e->show_insert_position();
+ return 1;
+}
+
+int Fl_Text_Editor::kf_shift_move(int c, Fl_Text_Editor* e) {
+ kf_move(c, e);
+ fl_text_drag_me(e->insert_position(), e);
+ return 1;
+}
+
+int Fl_Text_Editor::kf_ctrl_move(int c, Fl_Text_Editor* e) {
+ if (!e->buffer()->selected())
+ e->dragPos = e->insert_position();
+ if (c != FL_Up && c != FL_Down) {
+ e->buffer()->unselect();
+ e->show_insert_position();
+ }
+ switch (c) {
+ case FL_Home:
+ e->insert_position(0);
+ e->scroll(0, 0);
+ break;
+ case FL_End:
+ e->insert_position(e->buffer()->length());
+ e->scroll(e->count_lines(0, e->buffer()->length(), 1), 0);
+ break;
+ case FL_Left:
+ e->previous_word();
+ break;
+ case FL_Right:
+ e->next_word();
+ break;
+ case FL_Up:
+ e->scroll(e->mTopLineNum-1, e->mHorizOffset);
+ break;
+ case FL_Down:
+ e->scroll(e->mTopLineNum+1, e->mHorizOffset);
+ break;
+ case FL_Page_Up:
+ e->insert_position(e->mLineStarts[0]);
+ break;
+ case FL_Page_Down:
+ e->insert_position(e->mLineStarts[e->mNVisibleLines-2]);
+ break;
+ }
+ return 1;
+}
+
+int Fl_Text_Editor::kf_c_s_move(int c, Fl_Text_Editor* e) {
+ kf_ctrl_move(c, e);
+ fl_text_drag_me(e->insert_position(), e);
+ return 1;
+}
+
+int Fl_Text_Editor::kf_home(int, Fl_Text_Editor* e) {
+ return kf_move(FL_Home, e);
+}
+
+int Fl_Text_Editor::kf_end(int, Fl_Text_Editor* e) {
+ return kf_move(FL_End, e);
+}
+
+int Fl_Text_Editor::kf_left(int, Fl_Text_Editor* e) {
+ return kf_move(FL_Left, e);
+}
+
+int Fl_Text_Editor::kf_up(int, Fl_Text_Editor* e) {
+ return kf_move(FL_Up, e);
+}
+
+int Fl_Text_Editor::kf_right(int, Fl_Text_Editor* e) {
+ return kf_move(FL_Right, e);
+}
+
+int Fl_Text_Editor::kf_down(int, Fl_Text_Editor* e) {
+ return kf_move(FL_Down, e);
+}
+
+int Fl_Text_Editor::kf_page_up(int, Fl_Text_Editor* e) {
+ return kf_move(FL_Page_Up, e);
+}
+
+int Fl_Text_Editor::kf_page_down(int, Fl_Text_Editor* e) {
+ return kf_move(FL_Page_Down, e);
+}
+
+
+int Fl_Text_Editor::kf_insert(int, Fl_Text_Editor* e) {
+ e->insert_mode(e->insert_mode() ? 0 : 1);
+ return 1;
+}
+
+int Fl_Text_Editor::kf_delete(int, Fl_Text_Editor* e) {
+ if (!e->buffer()->selected())
+ e->buffer()->select(e->insert_position(), e->insert_position()+1);
+ kill_selection(e);
+ e->show_insert_position();
+ e->set_changed();
+ if (e->when()&FL_WHEN_CHANGED) e->do_callback();
+ return 1;
+}
+
+int Fl_Text_Editor::kf_copy(int, Fl_Text_Editor* e) {
+ if (!e->buffer()->selected()) return 1;
+ const char *copy = e->buffer()->selection_text();
+ if (*copy) Fl::copy(copy, strlen(copy), 1);
+ free((void*)copy);
+ e->show_insert_position();
+ return 1;
+}
+
+int Fl_Text_Editor::kf_cut(int c, Fl_Text_Editor* e) {
+ kf_copy(c, e);
+ kill_selection(e);
+ e->set_changed();
+ if (e->when()&FL_WHEN_CHANGED) e->do_callback();
+ return 1;
+}
+
+int Fl_Text_Editor::kf_paste(int, Fl_Text_Editor* e) {
+ kill_selection(e);
+ Fl::paste(*e, 1);
+ e->show_insert_position();
+ e->set_changed();
+ if (e->when()&FL_WHEN_CHANGED) e->do_callback();
+ return 1;
+}
+
+int Fl_Text_Editor::kf_select_all(int, Fl_Text_Editor* e) {
+ e->buffer()->select(0, e->buffer()->length());
+ return 1;
+}
+
+int Fl_Text_Editor::kf_undo(int , Fl_Text_Editor* e) {
+ e->buffer()->unselect();
+ int crsr;
+ int ret = e->buffer()->undo(&crsr);
+ e->insert_position(crsr);
+ e->show_insert_position();
+ e->set_changed();
+ if (e->when()&FL_WHEN_CHANGED) e->do_callback();
+ return ret;
+}
+
+int Fl_Text_Editor::handle_key() {
+ // Call FLTK's rules to try to turn this into a printing character.
+ // This uses the right-hand ctrl key as a "compose prefix" and returns
+ // the changes that should be made to the text, as a number of
+ // bytes to delete and a string to insert:
+ int del;
+ if (Fl::compose(del)) {
+ if (del) buffer()->select(insert_position()-del, insert_position());
+ kill_selection(this);
+ if (Fl::event_length()) {
+ if (insert_mode()) insert(Fl::event_text());
+ else overstrike(Fl::event_text());
+ }
+ show_insert_position();
+ set_changed();
+ if (when()&FL_WHEN_CHANGED) do_callback();
+ return 1;
+ }
+
+ int key = Fl::event_key(), state = Fl::event_state(), c = Fl::event_text()[0];
+ state &= FL_SHIFT|FL_CTRL|FL_ALT|FL_META; // only care about these states
+ Key_Func f;
+ f = bound_key_function(key, state, global_key_bindings);
+ if (!f) f = bound_key_function(key, state, key_bindings);
+ if (f) return f(key, this);
+ if (default_key_function_ && !state) return default_key_function_(c, this);
+ return 0;
+}
+
+void Fl_Text_Editor::maybe_do_callback() {
+// printf("Fl_Text_Editor::maybe_do_callback()\n");
+// printf("changed()=%d, when()=%x\n", changed(), when());
+ if (changed() || (when()&FL_WHEN_NOT_CHANGED)) do_callback();
+}
+
+int Fl_Text_Editor::handle(int event) {
+ if (!buffer()) return 0;
+
+ switch (event) {
+ case FL_FOCUS:
+ show_cursor(mCursorOn); // redraws the cursor
+ if (buffer()->selected()) redraw(); // Redraw selections...
+ Fl::focus(this);
+ return 1;
+
+ case FL_UNFOCUS:
+ show_cursor(mCursorOn); // redraws the cursor
+ if (buffer()->selected()) redraw(); // Redraw selections...
+ case FL_HIDE:
+ if (when() & FL_WHEN_RELEASE) maybe_do_callback();
+ return 1;
+
+ case FL_KEYBOARD:
+ if (active_r() && window() && this == Fl::belowmouse())
+ window()->cursor(FL_CURSOR_NONE);
+ return handle_key();
+
+ case FL_PASTE:
+ if (!Fl::event_text()) {
+ fl_beep();
+ return 1;
+ }
+ buffer()->remove_selection();
+ if (insert_mode()) insert(Fl::event_text());
+ else overstrike(Fl::event_text());
+ show_insert_position();
+ set_changed();
+ if (when()&FL_WHEN_CHANGED) do_callback();
+ return 1;
+
+ case FL_ENTER:
+// MRS: WIN32 only? Need to test!
+// case FL_MOVE:
+ show_cursor(mCursorOn);
+ return 1;
+
+ case FL_PUSH:
+ if (Fl::event_button() == 2) {
+ // don't let the text_display see this event
+ if (Fl_Group::handle(event)) return 1;
+ dragType = -1;
+ Fl::paste(*this, 0);
+ Fl::focus(this);
+ set_changed();
+ if (when()&FL_WHEN_CHANGED) do_callback();
+ return 1;
+ }
+ break;
+ }
+
+ return Fl_Text_Display::handle(event);
+}
+
+//
+// End of "$Id: Fl_Text_Editor.cxx 5671 2007-02-08 07:58:47Z matt $".
+//
|
