add37faa25
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@4052 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
144 lines
4.2 KiB
C++
144 lines
4.2 KiB
C++
//
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// "$Id$"
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//
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// Keyboard/event test program for the Fast Light Tool Kit (FLTK).
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//
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// Continuously display FLTK's event state.
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//
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// Known bugs:
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//
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// X insists on reporting the state *before* the shift key was
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// pressed, rather than after, on shift key events. I fixed this for
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// the mouse buttons, but it did not seem worth it for shift.
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//
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// X servers do not agree about any shift flags after except shift, ctrl,
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// lock, and alt. They may also not agree about the symbols for the extra
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// keys Micro$oft put on the keyboard.
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//
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// On IRIX the backslash key does not work. A bug in XKeysymToKeycode?
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//
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// Copyright 1998-2005 by Bill Spitzak and others.
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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// USA.
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//
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// Please report all bugs and problems to "fltk-bugs@fltk.org".
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//
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#include "keyboard_ui.h"
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// these are used to identify which buttons are which:
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void key_cb(Fl_Button*, void*) {}
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void shift_cb(Fl_Button*, void*) {}
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void wheel_cb(Fl_Dial*, void*) {}
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// this is used to stop Esc from exiting the program:
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int handle(int e) {
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return (e == FL_SHORTCUT); // eat all keystrokes
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}
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int MyWindow::handle(int msg) {
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if (msg==FL_MOUSEWHEEL)
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{
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roller_x->value( roller_x->value() + Fl::e_dx * roller_x->step() );
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roller_y->value( roller_y->value() + Fl::e_dy * roller_y->step() );
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return 1;
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}
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return 0;
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}
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struct {int n; const char* text;} table[] = {
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{FL_Escape, "FL_Escape"},
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{FL_BackSpace, "FL_BackSpace"},
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{FL_Tab, "FL_Tab"},
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{FL_Enter, "FL_Enter"},
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{FL_Print, "FL_Print"},
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{FL_Scroll_Lock, "FL_Scroll_Lock"},
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{FL_Pause, "FL_Pause"},
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{FL_Insert, "FL_Insert"},
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{FL_Home, "FL_Home"},
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{FL_Page_Up, "FL_Page_Up"},
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{FL_Delete, "FL_Delete"},
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{FL_End, "FL_End"},
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{FL_Page_Down, "FL_Page_Down"},
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{FL_Left, "FL_Left"},
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{FL_Up, "FL_Up"},
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{FL_Right, "FL_Right"},
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{FL_Down, "FL_Down"},
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{FL_Shift_L, "FL_Shift_L"},
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{FL_Shift_R, "FL_Shift_R"},
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{FL_Control_L, "FL_Control_L"},
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{FL_Control_R, "FL_Control_R"},
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{FL_Caps_Lock, "FL_Caps_Lock"},
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{FL_Alt_L, "FL_Alt_L"},
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{FL_Alt_R, "FL_Alt_R"},
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{FL_Meta_L, "FL_Meta_L"},
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{FL_Meta_R, "FL_Meta_R"},
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{FL_Menu, "FL_Menu"},
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{FL_Help, "FL_Help"},
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{FL_Num_Lock, "FL_Num_Lock"},
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{FL_KP_Enter, "FL_KP_Enter"}
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};
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int main(int argc, char** argv) {
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Fl::add_handler(handle);
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Fl_Window *window = make_window();
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window->show(argc,argv);
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while (Fl::wait()) {
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// update all the buttons with the current key and shift state:
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for (int i = 0; i < window->children(); i++) {
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Fl_Widget* b = window->child(i);
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if (b->callback() == (Fl_Callback*)key_cb) {
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int i = int(b->user_data());
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if (!i) i = b->label()[0];
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((Fl_Button*)b)->value(Fl::event_key(i));
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} else if (b->callback() == (Fl_Callback*)shift_cb) {
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int i = int(b->user_data());
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((Fl_Button*)b)->value(Fl::event_state(i));
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}
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}
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// figure out the keyname:
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char buffer[100];
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const char *keyname = buffer;
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int k = Fl::event_key();
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if (!k)
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keyname = "0";
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else if (k < 256) {
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sprintf(buffer, "'%c'", k);
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} else if (k > FL_F && k <= FL_F_Last) {
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sprintf(buffer, "FL_F+%d", k - FL_F);
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} else if (k >= FL_KP && k <= FL_KP_Last) {
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sprintf(buffer, "FL_KP+'%c'", k-FL_KP);
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} else if (k >= FL_Button && k <= FL_Button+7) {
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sprintf(buffer, "FL_Button+%d", k-FL_Button);
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} else {
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sprintf(buffer, "0x%04x", k);
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for (int i = 0; i < int(sizeof(table)/sizeof(*table)); i++)
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if (table[i].n == k) {keyname = table[i].text; break;}
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}
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key_output->value(keyname);
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text_output->value(Fl::event_text());
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}
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return 0;
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}
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//
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// End of "$Id$".
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//
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