mirror of https://github.com/fltk/fltk
116 lines
3.9 KiB
C++
116 lines
3.9 KiB
C++
//
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// Simple example of using Fl_Table - Greg Ercolano 11/29/2010
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//
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// Demonstrates the simplest use of Fl_Table possible.
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// Display a 10x10 array of integers with row/col headers.
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// No interaction; simple display of data only.
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// See other examples for more complex interactions with the table.
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//
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// Copyright 2010 Greg Ercolano.
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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. Distribution and use rights are outlined in
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// the file "COPYING" which should have been included with this file. If this
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// file is missing or damaged, see the license at:
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//
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// https://www.fltk.org/COPYING.php
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//
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// Please see the following page on how to report bugs and issues:
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//
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// https://www.fltk.org/bugs.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_Table.H>
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#include <FL/fl_draw.H>
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#define MAX_ROWS 30
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#define MAX_COLS 26 // A-Z
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// Derive a class from Fl_Table
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class MyTable : public Fl_Table {
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int data[MAX_ROWS][MAX_COLS]; // data array for cells
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// Draw the row/col headings
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// Make this a dark thin upbox with the text inside.
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//
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void DrawHeader(const char *s, int X, int Y, int W, int H) {
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fl_push_clip(X,Y,W,H);
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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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fl_draw(s, X,Y,W,H, FL_ALIGN_CENTER);
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fl_pop_clip();
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}
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// Draw the cell data
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// Dark gray text on white background with subtle border
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//
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void DrawData(const char *s, int X, int Y, int W, int H) {
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fl_push_clip(X,Y,W,H);
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// Draw cell bg
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fl_color(FL_WHITE); fl_rectf(X,Y,W,H);
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// Draw cell data
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fl_color(FL_GRAY0); fl_draw(s, X,Y,W,H, FL_ALIGN_CENTER);
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// Draw box border
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fl_color(color()); fl_rect(X,Y,W,H);
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fl_pop_clip();
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}
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// Handle drawing table's cells
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// Fl_Table calls this function to draw each visible cell in the table.
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// It's up to us to use FLTK's drawing functions to draw the cells the way we want.
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//
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void draw_cell(TableContext context, int ROW=0, int COL=0, int X=0, int Y=0, int W=0, int H=0) FL_OVERRIDE {
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static char s[40];
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switch ( context ) {
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case CONTEXT_STARTPAGE: // before page is drawn..
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fl_font(FL_HELVETICA, 16); // set the font for our drawing operations
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return;
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case CONTEXT_COL_HEADER: // Draw column headers
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sprintf(s,"%c",'A'+COL); // "A", "B", "C", etc.
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DrawHeader(s,X,Y,W,H);
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return;
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case CONTEXT_ROW_HEADER: // Draw row headers
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sprintf(s,"%03d:",ROW); // "001:", "002:", etc
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DrawHeader(s,X,Y,W,H);
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return;
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case CONTEXT_CELL: // Draw data in cells
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sprintf(s,"%d",data[ROW][COL]);
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DrawData(s,X,Y,W,H);
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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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public:
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// Constructor
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// Make our data array, and initialize the table options.
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//
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MyTable(int X, int Y, int W, int H, const char *L=0) : Fl_Table(X,Y,W,H,L) {
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// Fill data array
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for ( int r=0; r<MAX_ROWS; r++ )
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for ( int c=0; c<MAX_COLS; c++ )
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data[r][c] = 1000+(r*1000)+c;
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// Rows
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rows(MAX_ROWS); // how many rows
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row_header(1); // enable row headers (along left)
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row_height_all(20); // default height of rows
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row_resize(0); // disable row resizing
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// Cols
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cols(MAX_COLS); // how many columns
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col_header(1); // enable column headers (along top)
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col_width_all(80); // default width of columns
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col_resize(1); // enable column resizing
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end(); // end the Fl_Table group
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}
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~MyTable() { }
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};
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int main(int argc, char **argv) {
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Fl_Double_Window win(900, 400, "Table Simple");
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MyTable table(10,10,880,380);
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win.end();
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win.resizable(table);
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win.show(argc,argv);
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return(Fl::run());
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}
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