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-rw-r--r--examples/table-with-keynav.cxx218
1 files changed, 106 insertions, 112 deletions
diff --git a/examples/table-with-keynav.cxx b/examples/table-with-keynav.cxx
index 74be7e30c..ee5f98ed5 100644
--- a/examples/table-with-keynav.cxx
+++ b/examples/table-with-keynav.cxx
@@ -1,6 +1,4 @@
//
-// "$Id$"
-//
// Example of Fl_Table with keyboard selection navigation - Greg Ercolano 04/14/2012
//
// Display a 10x10 multiplication table, and allow the user to
@@ -18,11 +16,11 @@
// the file "COPYING" which should have been included with this file. If this
// file is missing or damaged, see the license at:
//
-// http://www.fltk.org/COPYING.php
+// https://www.fltk.org/COPYING.php
//
-// Please report all bugs and problems on the following page:
+// Please see the following page on how to report bugs and issues:
//
-// http://www.fltk.org/str.php
+// https://www.fltk.org/bugs.php
//
#include <FL/Fl.H>
#include <FL/fl_draw.H>
@@ -36,147 +34,143 @@
// GLOBALS
class MyTable;
-Fl_Toggle_Button *G_rowselect = 0; // toggle to enable row selection
-MyTable *G_table = 0; // table widget
-Fl_Output *G_sum = 0; // displays sum of user's selection
+Fl_Toggle_Button *G_rowselect = 0; // toggle to enable row selection
+MyTable *G_table = 0; // table widget
+Fl_Output *G_sum = 0; // displays sum of user's selection
class MyTable : public Fl_Table_Row {
protected:
// Handle drawing all cells in table
void draw_cell(TableContext context, int R=0,int C=0, int X=0,int Y=0,int W=0,int H=0) {
- static char s[30];
- switch ( context ) {
- case CONTEXT_COL_HEADER:
- case CONTEXT_ROW_HEADER:
- fl_font(FL_HELVETICA | FL_BOLD, 14);
- fl_push_clip(X, Y, W, H);
- {
- Fl_Color c = (context==CONTEXT_COL_HEADER) ? col_header_color() : row_header_color();
- fl_draw_box(FL_THIN_UP_BOX, X, Y, W, H, c);
- fl_color(FL_BLACK);
- // Draw text for headers
- sprintf(s, "%d", (context == CONTEXT_COL_HEADER) ? C : R);
- fl_draw(s, X, Y, W, H, FL_ALIGN_CENTER);
- }
- fl_pop_clip();
- return;
- case CONTEXT_CELL: {
- // Keyboard nav and mouse selection highlighting
- int selected = G_rowselect->value() ? row_selected(R) : is_selected(R,C);
- fl_draw_box(FL_THIN_UP_BOX, X, Y, W, H, selected ? FL_YELLOW : FL_WHITE);
- // Draw text for the cell
- fl_push_clip(X+3, Y+3, W-6, H-6);
- {
- fl_font(FL_HELVETICA, 14);
- fl_color(FL_BLACK);
- sprintf(s, "%d", R*C); // factor row + col for data cells
- fl_draw(s, X+3, Y+3, W-6, H-6, FL_ALIGN_RIGHT);
- }
- fl_pop_clip();
- return;
- }
- default:
- return;
- }
+ static char s[30];
+ switch ( context ) {
+ case CONTEXT_COL_HEADER:
+ case CONTEXT_ROW_HEADER:
+ fl_font(FL_HELVETICA | FL_BOLD, 14);
+ fl_push_clip(X, Y, W, H);
+ {
+ Fl_Color c = (context==CONTEXT_COL_HEADER) ? col_header_color() : row_header_color();
+ fl_draw_box(FL_THIN_UP_BOX, X, Y, W, H, c);
+ fl_color(FL_BLACK);
+ // Draw text for headers
+ sprintf(s, "%d", (context == CONTEXT_COL_HEADER) ? C : R);
+ fl_draw(s, X, Y, W, H, FL_ALIGN_CENTER);
+ }
+ fl_pop_clip();
+ return;
+ case CONTEXT_CELL: {
+ // Keyboard nav and mouse selection highlighting
+ int selected = G_rowselect->value() ? row_selected(R) : is_selected(R,C);
+ fl_draw_box(FL_THIN_UP_BOX, X, Y, W, H, selected ? FL_YELLOW : FL_WHITE);
+ // Draw text for the cell
+ fl_push_clip(X+3, Y+3, W-6, H-6);
+ {
+ fl_font(FL_HELVETICA, 14);
+ fl_color(FL_BLACK);
+ sprintf(s, "%d", R*C); // factor row + col for data cells
+ fl_draw(s, X+3, Y+3, W-6, H-6, FL_ALIGN_RIGHT);
+ }
+ fl_pop_clip();
+ return;
+ }
+ default:
+ return;
+ }
}
public:
// CTOR
MyTable(int x, int y, int w, int h, const char *l=0) : Fl_Table_Row(x,y,w,h,l) {
- // Row init
- row_header(1);
- row_header_width(70);
- row_resize(1);
- rows(11);
- row_height_all(20);
- // Col init
- col_header(1);
- col_header_height(20);
- col_resize(1);
- cols(11);
- col_width_all(70);
- end(); // Fl_Table derives from Fl_Group, so end() it
+ // Row init
+ row_header(1);
+ row_header_width(70);
+ row_resize(1);
+ rows(11);
+ row_height_all(20);
+ // Col init
+ col_header(1);
+ col_header_height(20);
+ col_resize(1);
+ cols(11);
+ col_width_all(70);
+ end(); // Fl_Table derives from Fl_Group, so end() it
}
~MyTable() { }
// Update the displayed sum value
int GetSelectionSum() {
int sum = -1;
for ( int R=0; R<rows(); R++ ) {
- for ( int C=0; C<cols(); C++ ) {
- if ( G_rowselect->value() ? row_selected(R) : is_selected(R,C) ) {
- if ( sum == -1 ) sum = 0;
- sum += R*C;
- }
- }
- }
- return(sum);
+ for ( int C=0; C<cols(); C++ ) {
+ if ( G_rowselect->value() ? row_selected(R) : is_selected(R,C) ) {
+ if ( sum == -1 ) sum = 0;
+ sum += R*C;
+ }
+ }
+ }
+ return(sum);
}
// Update the "Selection sum:" display
void UpdateSum() {
- static char s[80];
- int sum = GetSelectionSum();
- if ( sum == -1 ) { sprintf(s, "(nothing selected)"); G_sum->color(48); }
- else { sprintf(s, "%d", sum); G_sum->color(FL_WHITE); }
- // Update only if different (lets one copy/paste from sum)
- if ( strcmp(s,G_sum->value()))
- { G_sum->value(s); G_sum->redraw(); }
+ static char s[80];
+ int sum = GetSelectionSum();
+ if ( sum == -1 ) { sprintf(s, "(nothing selected)"); G_sum->color(48); }
+ else { sprintf(s, "%d", sum); G_sum->color(FL_WHITE); }
+ // Update only if different (lets one copy/paste from sum)
+ if ( strcmp(s,G_sum->value()))
+ { G_sum->value(s); G_sum->redraw(); }
}
// Keyboard and mouse events
int handle(int e) {
int ret = Fl_Table_Row::handle(e);
- if ( e == FL_KEYBOARD && Fl::event_key() == FL_Escape ) exit(0);
+ if ( e == FL_KEYBOARD && Fl::event_key() == FL_Escape ) exit(0);
switch (e) {
- case FL_PUSH:
- case FL_RELEASE:
- case FL_KEYUP:
- case FL_KEYDOWN:
- case FL_DRAG: {
- //ret = 1; // *don't* indicate we 'handled' these, just update ('handling' prevents e.g. tab nav)
- UpdateSum();
- redraw();
- break;
- }
- case FL_FOCUS: // tells FLTK we're interested in keyboard events
- case FL_UNFOCUS:
- ret = 1;
- break;
- }
- return(ret);
+ case FL_PUSH:
+ case FL_RELEASE:
+ case FL_KEYUP:
+ case FL_KEYDOWN:
+ case FL_DRAG: {
+ //ret = 1; // *don't* indicate we 'handled' these, just update ('handling' prevents e.g. tab nav)
+ UpdateSum();
+ redraw();
+ break;
+ }
+ case FL_FOCUS: // tells FLTK we're interested in keyboard events
+ case FL_UNFOCUS:
+ ret = 1;
+ break;
+ }
+ return(ret);
}
};
// User changed the 'row select' toggle button
void RowSelect_CB(Fl_Widget *w, void*) {
- w->window()->redraw(); // redraw with changes applied
+ w->window()->redraw(); // redraw with changes applied
G_table->UpdateSum();
}
int main() {
- Fl::option(Fl::OPTION_ARROW_FOCUS, 0); // disable arrow focus nav (we want arrows to control cells)
+ Fl::option(Fl::OPTION_ARROW_FOCUS, 0); // disable arrow focus nav (we want arrows to control cells)
Fl_Double_Window win(862, 312, "table-with-keynav");
win.begin();
- // Create table
- G_table = new MyTable(10, 30, win.w()-20, win.h()-70, "Times Table");
- G_table->tooltip("Use mouse or Shift + Arrow Keys to make selections.\n"
- "Sum of selected values is shown.");
- // Row select toggle button
- G_rowselect = new Fl_Toggle_Button(140,10,12,12,"Row selection");
- G_rowselect->align(FL_ALIGN_LEFT);
- G_rowselect->value(0);
- G_rowselect->selection_color(FL_YELLOW);
- G_rowselect->callback(RowSelect_CB);
- G_rowselect->tooltip("Click to toggle row vs. row/col selection");
- // Selection sum display
- win.end();
- win.begin();
- G_sum = new Fl_Output(140,G_table->y()+G_table->h()+10,160,25,"Selection Sum:");
- G_sum->value("(nothing selected)");
- G_sum->color(48);
- G_sum->tooltip("This field shows the sum of the selected cells in the table");
+ // Create table
+ G_table = new MyTable(10, 30, win.w()-20, win.h()-70, "Times Table");
+ G_table->tooltip("Use mouse or Shift + Arrow Keys to make selections.\n"
+ "Sum of selected values is shown.");
+ // Row select toggle button
+ G_rowselect = new Fl_Toggle_Button(140,10,12,12,"Row selection");
+ G_rowselect->align(FL_ALIGN_LEFT);
+ G_rowselect->value(0);
+ G_rowselect->selection_color(FL_YELLOW);
+ G_rowselect->callback(RowSelect_CB);
+ G_rowselect->tooltip("Click to toggle row vs. row/col selection");
+ // Selection sum display
+ win.end();
+ win.begin();
+ G_sum = new Fl_Output(140,G_table->y()+G_table->h()+10,160,25,"Selection Sum:");
+ G_sum->value("(nothing selected)");
+ G_sum->color(48);
+ G_sum->tooltip("This field shows the sum of the selected cells in the table");
win.end();
win.resizable(G_table);
- win.show();
+ win.show();
return Fl::run();
}
-
-//
-// End of "$Id$".
-//
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