Author: greg.ercolano
Date: 2010-10-26 01:53:39 -0700 (Tue, 26 Oct 2010)
New Revision: 7741
Log:
Added new table-with-keyboard-nav.cxx to solve STR #2374.
Added:
branches/branch-1.3/examples/table-with-keyboard-nav.cxx
Modified:
branches/branch-1.3/examples/Makefile
Modified: branches/branch-1.3/examples/Makefile
===================================================================
--- branches/branch-1.3/examples/Makefile 2010-10-26 02:32:02 UTC (rev
7740)
+++ branches/branch-1.3/examples/Makefile 2010-10-26 08:53:39 UTC (rev
7741)
@@ -3,6 +3,7 @@
ALL = howto-add_fd-and-popen$(EXEEXT) \
howto-parse-args$(EXEEXT) \
howto-text-over-image-button$(EXEEXT) \
+ table-with-keyboard-nav$(EXEEXT) \
tabs-simple$(EXEEXT) \
tree-simple$(EXEEXT) \
wizard-simple$(EXEEXT)
Added: branches/branch-1.3/examples/table-with-keyboard-nav.cxx
===================================================================
--- branches/branch-1.3/examples/table-with-keyboard-nav.cxx
(rev 0)
+++ branches/branch-1.3/examples/table-with-keyboard-nav.cxx 2010-10-26
08:53:39 UTC (rev 7741)
@@ -0,0 +1,355 @@
+//
+// "$Id$"
+//
+// Test Jean-Marc's mods for keyboard nav and mouse selection
+// using a modified version of the Fl_Table 'singleinput' program.
+//
+// Fl_Table[1.00/LGPL] 04/18/03 Mister Satan -- Initial
implementation, submitted to erco for Fl_Table
+// Fl_Table[1.10/LGPL] 05/17/03 Greg Ercolano -- Small mods to follow
changes to Fl_Table
+// Fl_Table[1.20/LGPL] 02/22/04 Jean-Marc Lienher -- Keyboard nav and
mouse selection
+// Fl_Table[1.21/LGPL] 02/22/04 Greg Ercolano -- Small reformatting
mods, comments
+// FLTK[1.3.0/LGPL] 10/26/10 Greg Ercolano -- Moved from Fl_Table
to FLTK 1.3.x, CMP compliance
+//
+// Copyright 1998-2010 by Bill Spitzak and others.
+//
+// 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 <FL/Fl.H>
+#include <FL/Fl_Double_Window.H>
+#include <FL/Fl_Int_Input.H>
+#include <FL/Fl_Value_Slider.H>
+#include <FL/fl_draw.H>
+#include <FL/Fl_Table.H>
+#include <stdio.h>
+#include <stdlib.h>
+
+const int MAX_COLS = 26;
+const int MAX_ROWS = 500;
+
+Fl_Callback input_cb;
+
+class SingleInput : public Fl_Table {
+ Fl_Int_Input* input;
+ int values[MAX_ROWS][MAX_COLS];
+ int row_edit, col_edit;
+ int s_left, s_top, s_right, s_bottom; // kb nav + mouse selection
+
+protected:
+ void draw_cell(TableContext context, int=0, int=0, int=0, int=0, int=0,
int=0);
+ static void event_callback(Fl_Widget*, void*);
+ void event_callback2();
+ static void input_cb(Fl_Widget*, void* v);
+
+public:
+ SingleInput(int x, int y, int w, int h, const char* l=0) :
Fl_Table(x,y,w,h,l) {
+ int i, j;
+ callback(&event_callback, (void*)this);
+ when(FL_WHEN_NOT_CHANGED|when());
+ input = new Fl_Int_Input(w/2,h/2,0,0);
+ input->hide();
+ input->callback(input_cb, (void*)this);
+ input->when(FL_WHEN_ENTER_KEY_ALWAYS);
+ input->maximum_size(5);
+ for (i = 0; i < MAX_ROWS; i++) {
+ for (j = 0; j < MAX_COLS; j++) {
+ values[i][j] = (i + 2) * (j + 3); {
+ }
+ }
+ (new Fl_Box(9999,9999,0,0))->hide(); // HACK: prevent flickering in
Fl_Scroll
+ end();
+ }
+ ~SingleInput() { }
+
+ void rows(int val) {
+ if (input->visible()) {
+ input->do_callback();
+ Fl_Table::rows(val);
+ }
+ }
+ void cols(int val) {
+ if (input->visible()) {
+ input->do_callback();
+ Fl_Table::cols(val);
+ }
+ }
+ inline int rows() {
+ return Fl_Table::rows();
+ }
+ inline int cols() {
+ return Fl_Table::cols();
+ }
+ void set_value() {
+ values[row_edit][col_edit] = atoi(input->value());
+ input->hide();
+ }
+};
+
+void SingleInput::input_cb(Fl_Widget*, void* v) {
+ ((SingleInput*)v)->set_value();
+}
+
+// Handle drawing all cells in table
+void SingleInput::draw_cell(TableContext context,
+ int R, int C, int X, int Y, int W, int H) {
+ static char s[30];
+ switch ( context ) {
+ case CONTEXT_STARTPAGE:
+ // Get kb nav + mouse 'selection region' for use below
+ get_selection(s_top, s_left, s_bottom, s_right);
+ break;
+
+ case CONTEXT_COL_HEADER:
+ fl_font(FL_HELVETICA | FL_BOLD, 14);
+ fl_push_clip(X, Y, W, H);
+ {
+ fl_draw_box(FL_THIN_UP_BOX, X, Y, W, H, col_header_color());
+ fl_color(FL_BLACK);
+ if (C != cols()-1) {
+ s[0] = 'A' + C;
+ s[1] = '\0';
+ fl_draw(s, X, Y, W, H, FL_ALIGN_CENTER);
+ } else {
+ fl_draw("TOTAL", X, Y, W, H, FL_ALIGN_CENTER);
+ }
+ }
+ fl_pop_clip();
+ return;
+
+ case CONTEXT_ROW_HEADER:
+ fl_font(FL_HELVETICA | FL_BOLD, 14);
+ fl_push_clip(X, Y, W, H);
+ {
+ fl_draw_box(FL_THIN_UP_BOX, X, Y, W, H, row_header_color());
+ fl_color(FL_BLACK);
+ if (R != rows()-1) {
+ sprintf(s, "%d", R+1);
+ fl_draw(s, X, Y, W, H, FL_ALIGN_CENTER);
+ } else {
+ fl_draw("TOTAL", X, Y, W, H, FL_ALIGN_CENTER);
+ }
+ }
+ fl_pop_clip();
+ return;
+
+ case CONTEXT_CELL: {
+ if (R == row_edit && C == col_edit && input->visible()) {
+ return;
+ }
+
+ // BACKGROUND
+ fl_push_clip(X, Y, W, H);
+ {
+ // Keyboard nav and mouse selection highlighting
+ if (R >= s_top && R <= s_bottom && C >= s_left && C <= s_right) {
+ fl_draw_box(FL_THIN_UP_BOX, X, Y, W, H, FL_YELLOW);
+ } else {
+ fl_draw_box(FL_THIN_UP_BOX, X, Y, W, H, FL_WHITE);
+ }
+ }
+ fl_pop_clip();
+
+ // TEXT
+ fl_push_clip(X+3, Y+3, W-6, H-6);
+ {
+ fl_color(FL_BLACK);
+ if (C != cols()-1 && R != rows()-1) {
+ fl_font(FL_HELVETICA, 14);
+ sprintf(s, "%d", values[R][C]);
+ fl_draw(s, X+3, Y+3, W-6, H-6, FL_ALIGN_RIGHT);
+ } else {
+ int T = 0;
+ fl_font(FL_HELVETICA | FL_BOLD, 14);
+
+ if (C == cols()-1 && R == rows()-1) { // TOTAL
+ for (int c=0; c<cols()-1; ++c) {
+ for (int r=0; r<rows()-1; ++r) {
+ T += values[r][c];
+ }
+ }
+ } else if (C == cols()-1) { // ROW SUBTOTAL
+ for (int c=0; c<cols()-1; ++c) {
+ T += values[R][c];
+ }
+ } else if (R == rows()-1) { // COL SUBTOTAL
+ for (int r=0; r<rows()-1; ++r) {
+ T += values[r][C];
+ }
+ }
+
+ sprintf(s, "%d", T);
+ fl_draw(s, X+3, Y+3, W-6, H-6, FL_ALIGN_RIGHT);
+ }
+ }
+ fl_pop_clip();
+ return;
+ }
+
+ case CONTEXT_RC_RESIZE: {
+ if (!input->visible()) return;
+ find_cell(CONTEXT_TABLE, row_edit, col_edit, X, Y, W, H);
+ if (X==input->x() && Y==input->y() && W==input->w() && H==input->h()) {
+ return;
+ }
+ input->resize(X,Y,W,H);
+ return;
+ }
+
+ default:
+ return;
+ }
+}
+
+// Callback whenever someone clicks on different parts of the table
+void SingleInput::event_callback(Fl_Widget*, void* data) {
+ SingleInput* o = (SingleInput*)data;
+ o->event_callback2();
+}
+
+void SingleInput::event_callback2() {
+ int R = callback_row();
+ int C = callback_col();
+ TableContext context = callback_context();
+ switch ( context ) {
+ // Fl_Table wants to draw a cell
+ case CONTEXT_CELL: {
+ fprintf(stderr, "CALLBACK: CONTEXT_CELL: for R/C: %d / %d\n", R, C);
+ switch (Fl::event()) {
+ case FL_PUSH:
+ if (!Fl::event_clicks()) {
+ if (input->visible()) input->do_callback();
+ input->hide();
+ return;
+ }
+ Fl::event_clicks(0);
+ //FALLTHROUGH
+
+ case FL_KEYBOARD:
+ if (Fl::event() == FL_KEYBOARD && Fl::e_length == 0) {
+ return;
+ }
+ if (C == cols()-1 || R == rows()-1) return;
+ if (input->visible()) input->do_callback();
+ row_edit = R;
+ col_edit = C;
+ set_selection(R, C, R, C);
+ int XX,YY,WW,HH;
+ find_cell(CONTEXT_CELL, R, C, XX, YY, WW, HH);
+ input->resize(XX,YY,WW,HH);
+ char s[30];
+ sprintf(s, "%d", values[R][C]);
+ input->value(s);
+ input->show();
+ input->take_focus();
+ if (Fl::event() == FL_KEYBOARD && Fl::e_text[0] != '\r') {
+ input->handle(Fl::event());
+ }
+ return;
+ }
+ return;
+ }
+
+ // Fl_Table wants to draw a row/column header
+ case CONTEXT_ROW_HEADER:
+ case CONTEXT_COL_HEADER:
+ if (input->visible()) input->do_callback();
+ input->hide();
+ return;
+
+ // Fl_Table wants to draw a row/column header
+ case CONTEXT_TABLE:
+ if (R < 0 && C < 0) {
+ if (input->visible()) input->do_callback();
+ input->hide();
+ }
+ return;
+
+ default:
+ return;
+ }
+}
+
+// Change number of columns
+void setcols_cb(Fl_Widget* w, void* v) {
+ SingleInput* table = (SingleInput*)v;
+ Fl_Valuator* in = (Fl_Valuator*)w;
+ int cols = int(in->value()) + 1;
+ table->cols(cols);
+}
+
+// Change number of rows
+void setrows_cb(Fl_Widget* w, void* v) {
+ SingleInput* table = (SingleInput*)v;
+ Fl_Valuator* in = (Fl_Valuator*)w;
+ int rows = int(in->value()) + 1;
+ table->rows(rows);
+}
+
+int main() {
+ Fl_Double_Window win(600, 400, "table with keyboard nav");
+
+ SingleInput* table = new SingleInput(20, 20, win.w()-80, win.h()-80);
+
+ // ROWS
+ table->row_header(1);
+ table->row_header_width(70);
+ table->row_resize(1);
+ table->rows(11);
+ table->row_height_all(25);
+
+ // COLS
+ table->col_header(1);
+ table->col_header_height(25);
+ table->col_resize(1);
+ table->cols(11);
+ table->col_width_all(70);
+
+ // Add children to window
+ win.begin();
+
+ // ROW
+ Fl_Value_Slider setrows(win.w()-40,20,20,win.h()-80, 0);
+ setrows.type(FL_VERT_NICE_SLIDER);
+ setrows.bounds(2,MAX_ROWS);
+ setrows.step(1);
+ setrows.value(table->rows()-1);
+ setrows.callback(setrows_cb, (void*)table);
+ setrows.when(FL_WHEN_CHANGED);
+ setrows.clear_visible_focus();
+
+ // COL
+ Fl_Value_Slider setcols(20,win.h()-40,win.w()-80,20, 0);
+ setcols.type(FL_HOR_NICE_SLIDER);
+ setcols.bounds(2,MAX_COLS);
+ setcols.step(1);
+ setcols.value(table->cols()-1);
+ setcols.callback(setcols_cb, (void*)table);
+ setcols.when(FL_WHEN_CHANGED);
+ setcols.clear_visible_focus();
+
+ win.end();
+ win.resizable(table);
+ win.show();
+
+ return Fl::run();
+}
+
+//
+// End of "$Id$".
+//
Property changes on: branches/branch-1.3/examples/table-with-keyboard-nav.cxx
___________________________________________________________________
Name: svn:keywords
+ Id
Name: svn:eol-style
+ native
_______________________________________________
fltk-commit mailing list
[email protected]
http://lists.easysw.com/mailman/listinfo/fltk-commit
