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Added new table-with-keyboard-nav.cxx to solve STR #2374.
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@7741 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Greg Ercolano
@@ -3,6 +3,7 @@ include ../makeinclude
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ALL = howto-add_fd-and-popen$(EXEEXT) \
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howto-parse-args$(EXEEXT) \
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howto-text-over-image-button$(EXEEXT) \
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table-with-keyboard-nav$(EXEEXT) \
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tabs-simple$(EXEEXT) \
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tree-simple$(EXEEXT) \
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wizard-simple$(EXEEXT)
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@@ -0,0 +1,355 @@
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//
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// "$Id$"
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//
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// Test Jean-Marc's mods for keyboard nav and mouse selection
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// using a modified version of the Fl_Table 'singleinput' program.
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//
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// Fl_Table[1.00/LGPL] 04/18/03 Mister Satan -- Initial implementation, submitted to erco for Fl_Table
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// Fl_Table[1.10/LGPL] 05/17/03 Greg Ercolano -- Small mods to follow changes to Fl_Table
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// Fl_Table[1.20/LGPL] 02/22/04 Jean-Marc Lienher -- Keyboard nav and mouse selection
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// Fl_Table[1.21/LGPL] 02/22/04 Greg Ercolano -- Small reformatting mods, comments
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// FLTK[1.3.0/LGPL] 10/26/10 Greg Ercolano -- Moved from Fl_Table to FLTK 1.3.x, CMP compliance
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//
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// Copyright 1998-2010 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 on the following page:
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//
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// http://www.fltk.org/str.php
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//
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#include <FL/Fl.H>
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#include <FL/Fl_Double_Window.H>
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#include <FL/Fl_Int_Input.H>
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#include <FL/Fl_Value_Slider.H>
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#include <FL/fl_draw.H>
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#include <FL/Fl_Table.H>
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#include <stdio.h>
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#include <stdlib.h>
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const int MAX_COLS = 26;
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const int MAX_ROWS = 500;
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Fl_Callback input_cb;
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class SingleInput : public Fl_Table {
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Fl_Int_Input* input;
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int values[MAX_ROWS][MAX_COLS];
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int row_edit, col_edit;
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int s_left, s_top, s_right, s_bottom; // kb nav + mouse selection
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protected:
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void draw_cell(TableContext context, int=0, int=0, int=0, int=0, int=0, int=0);
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static void event_callback(Fl_Widget*, void*);
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void event_callback2();
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static void input_cb(Fl_Widget*, void* v);
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public:
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SingleInput(int x, int y, int w, int h, const char* l=0) : Fl_Table(x,y,w,h,l) {
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int i, j;
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callback(&event_callback, (void*)this);
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when(FL_WHEN_NOT_CHANGED|when());
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input = new Fl_Int_Input(w/2,h/2,0,0);
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input->hide();
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input->callback(input_cb, (void*)this);
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input->when(FL_WHEN_ENTER_KEY_ALWAYS);
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input->maximum_size(5);
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for (i = 0; i < MAX_ROWS; i++) {
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for (j = 0; j < MAX_COLS; j++) {
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values[i][j] = (i + 2) * (j + 3); {
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}
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}
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(new Fl_Box(9999,9999,0,0))->hide(); // HACK: prevent flickering in Fl_Scroll
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end();
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}
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~SingleInput() { }
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void rows(int val) {
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if (input->visible()) {
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input->do_callback();
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Fl_Table::rows(val);
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}
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}
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void cols(int val) {
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if (input->visible()) {
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input->do_callback();
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Fl_Table::cols(val);
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}
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}
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inline int rows() {
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return Fl_Table::rows();
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}
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inline int cols() {
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return Fl_Table::cols();
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}
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void set_value() {
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values[row_edit][col_edit] = atoi(input->value());
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input->hide();
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}
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};
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void SingleInput::input_cb(Fl_Widget*, void* v) {
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((SingleInput*)v)->set_value();
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}
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// Handle drawing all cells in table
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void SingleInput::draw_cell(TableContext context,
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int R, int C, int X, int Y, int W, int H) {
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static char s[30];
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switch ( context ) {
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case CONTEXT_STARTPAGE:
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// Get kb nav + mouse 'selection region' for use below
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get_selection(s_top, s_left, s_bottom, s_right);
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break;
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case CONTEXT_COL_HEADER:
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fl_font(FL_HELVETICA | FL_BOLD, 14);
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fl_push_clip(X, Y, W, H);
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{
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fl_draw_box(FL_THIN_UP_BOX, X, Y, W, H, col_header_color());
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fl_color(FL_BLACK);
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if (C != cols()-1) {
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s[0] = 'A' + C;
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s[1] = '\0';
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fl_draw(s, X, Y, W, H, FL_ALIGN_CENTER);
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} else {
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fl_draw("TOTAL", X, Y, W, H, FL_ALIGN_CENTER);
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}
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}
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fl_pop_clip();
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return;
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case CONTEXT_ROW_HEADER:
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fl_font(FL_HELVETICA | FL_BOLD, 14);
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fl_push_clip(X, Y, W, H);
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{
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fl_draw_box(FL_THIN_UP_BOX, X, Y, W, H, row_header_color());
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fl_color(FL_BLACK);
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if (R != rows()-1) {
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sprintf(s, "%d", R+1);
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fl_draw(s, X, Y, W, H, FL_ALIGN_CENTER);
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} else {
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fl_draw("TOTAL", X, Y, W, H, FL_ALIGN_CENTER);
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}
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}
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fl_pop_clip();
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return;
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case CONTEXT_CELL: {
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if (R == row_edit && C == col_edit && input->visible()) {
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return;
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}
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// BACKGROUND
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fl_push_clip(X, Y, W, H);
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{
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// Keyboard nav and mouse selection highlighting
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if (R >= s_top && R <= s_bottom && C >= s_left && C <= s_right) {
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fl_draw_box(FL_THIN_UP_BOX, X, Y, W, H, FL_YELLOW);
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} else {
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fl_draw_box(FL_THIN_UP_BOX, X, Y, W, H, FL_WHITE);
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}
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}
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fl_pop_clip();
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// TEXT
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fl_push_clip(X+3, Y+3, W-6, H-6);
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{
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fl_color(FL_BLACK);
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if (C != cols()-1 && R != rows()-1) {
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fl_font(FL_HELVETICA, 14);
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sprintf(s, "%d", values[R][C]);
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fl_draw(s, X+3, Y+3, W-6, H-6, FL_ALIGN_RIGHT);
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} else {
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int T = 0;
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fl_font(FL_HELVETICA | FL_BOLD, 14);
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if (C == cols()-1 && R == rows()-1) { // TOTAL
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for (int c=0; c<cols()-1; ++c) {
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for (int r=0; r<rows()-1; ++r) {
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T += values[r][c];
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}
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}
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} else if (C == cols()-1) { // ROW SUBTOTAL
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for (int c=0; c<cols()-1; ++c) {
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T += values[R][c];
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}
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} else if (R == rows()-1) { // COL SUBTOTAL
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for (int r=0; r<rows()-1; ++r) {
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T += values[r][C];
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}
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}
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sprintf(s, "%d", T);
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fl_draw(s, X+3, Y+3, W-6, H-6, FL_ALIGN_RIGHT);
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}
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}
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fl_pop_clip();
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return;
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}
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case CONTEXT_RC_RESIZE: {
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if (!input->visible()) return;
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find_cell(CONTEXT_TABLE, row_edit, col_edit, X, Y, W, H);
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if (X==input->x() && Y==input->y() && W==input->w() && H==input->h()) {
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return;
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}
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input->resize(X,Y,W,H);
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return;
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}
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default:
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return;
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}
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}
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// Callback whenever someone clicks on different parts of the table
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void SingleInput::event_callback(Fl_Widget*, void* data) {
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SingleInput* o = (SingleInput*)data;
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o->event_callback2();
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}
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void SingleInput::event_callback2() {
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int R = callback_row();
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int C = callback_col();
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TableContext context = callback_context();
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switch ( context ) {
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// Fl_Table wants to draw a cell
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case CONTEXT_CELL: {
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fprintf(stderr, "CALLBACK: CONTEXT_CELL: for R/C: %d / %d\n", R, C);
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switch (Fl::event()) {
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case FL_PUSH:
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if (!Fl::event_clicks()) {
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if (input->visible()) input->do_callback();
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input->hide();
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return;
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}
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Fl::event_clicks(0);
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//FALLTHROUGH
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case FL_KEYBOARD:
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if (Fl::event() == FL_KEYBOARD && Fl::e_length == 0) {
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return;
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}
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if (C == cols()-1 || R == rows()-1) return;
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if (input->visible()) input->do_callback();
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row_edit = R;
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col_edit = C;
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set_selection(R, C, R, C);
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int XX,YY,WW,HH;
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find_cell(CONTEXT_CELL, R, C, XX, YY, WW, HH);
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input->resize(XX,YY,WW,HH);
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char s[30];
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sprintf(s, "%d", values[R][C]);
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input->value(s);
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input->show();
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input->take_focus();
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if (Fl::event() == FL_KEYBOARD && Fl::e_text[0] != '\r') {
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input->handle(Fl::event());
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}
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return;
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}
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return;
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}
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// Fl_Table wants to draw a row/column header
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case CONTEXT_ROW_HEADER:
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case CONTEXT_COL_HEADER:
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if (input->visible()) input->do_callback();
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input->hide();
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return;
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// Fl_Table wants to draw a row/column header
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case CONTEXT_TABLE:
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if (R < 0 && C < 0) {
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if (input->visible()) input->do_callback();
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input->hide();
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}
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return;
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default:
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return;
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}
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}
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// Change number of columns
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void setcols_cb(Fl_Widget* w, void* v) {
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SingleInput* table = (SingleInput*)v;
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Fl_Valuator* in = (Fl_Valuator*)w;
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int cols = int(in->value()) + 1;
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table->cols(cols);
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}
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// Change number of rows
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void setrows_cb(Fl_Widget* w, void* v) {
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SingleInput* table = (SingleInput*)v;
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Fl_Valuator* in = (Fl_Valuator*)w;
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int rows = int(in->value()) + 1;
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table->rows(rows);
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}
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int main() {
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Fl_Double_Window win(600, 400, "table with keyboard nav");
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SingleInput* table = new SingleInput(20, 20, win.w()-80, win.h()-80);
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// ROWS
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table->row_header(1);
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table->row_header_width(70);
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table->row_resize(1);
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table->rows(11);
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table->row_height_all(25);
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// COLS
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table->col_header(1);
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table->col_header_height(25);
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table->col_resize(1);
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table->cols(11);
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table->col_width_all(70);
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// Add children to window
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win.begin();
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// ROW
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Fl_Value_Slider setrows(win.w()-40,20,20,win.h()-80, 0);
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setrows.type(FL_VERT_NICE_SLIDER);
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setrows.bounds(2,MAX_ROWS);
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setrows.step(1);
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setrows.value(table->rows()-1);
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setrows.callback(setrows_cb, (void*)table);
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setrows.when(FL_WHEN_CHANGED);
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setrows.clear_visible_focus();
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// COL
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Fl_Value_Slider setcols(20,win.h()-40,win.w()-80,20, 0);
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setcols.type(FL_HOR_NICE_SLIDER);
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setcols.bounds(2,MAX_COLS);
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setcols.step(1);
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setcols.value(table->cols()-1);
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setcols.callback(setcols_cb, (void*)table);
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setcols.when(FL_WHEN_CHANGED);
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setcols.clear_visible_focus();
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win.end();
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win.resizable(table);
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win.show();
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return Fl::run();
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}
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//
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// End of "$Id$".
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//
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Block a user