7046e99f96
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12976 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
285 lines
6.8 KiB
C++
285 lines
6.8 KiB
C++
//
|
|
// "$Id$"
|
|
//
|
|
// File_Input header file for the Fast Light Tool Kit (FLTK).
|
|
//
|
|
// Copyright 1998-2010 by Bill Spitzak and others.
|
|
// Original version Copyright 1998 by Curtis Edwards.
|
|
//
|
|
// This library is free software. Distribution and use rights are outlined in
|
|
// 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
|
|
//
|
|
// Please report all bugs and problems on the following page:
|
|
//
|
|
// http://www.fltk.org/str.php
|
|
//
|
|
|
|
#include <FL/Fl.H>
|
|
#include "Fl_System_Driver.H"
|
|
#include <FL/Fl_File_Input.H>
|
|
#include <FL/Fl_Window.H>
|
|
#include <FL/fl_draw.H>
|
|
#include <FL/filename.H>
|
|
#include <stdio.h>
|
|
#include "flstring.h"
|
|
|
|
|
|
//
|
|
// Height of directory buttons...
|
|
//
|
|
|
|
#define DIR_HEIGHT 10
|
|
|
|
|
|
//
|
|
// Redraw bit for directory bar...
|
|
//
|
|
|
|
#define FL_DAMAGE_BAR 0x10
|
|
|
|
|
|
/**
|
|
Creates a new Fl_File_Input widget using the given position,
|
|
size, and label string. The default boxtype is FL_DOWN_BOX.
|
|
\param[in] X, Y, W, H position and size of the widget
|
|
\param[in] L widget label, default is no label
|
|
*/
|
|
Fl_File_Input::Fl_File_Input(int X, int Y, int W, int H, const char *L)
|
|
: Fl_Input(X, Y, W, H, L) {
|
|
buttons_[0] = 0;
|
|
errorcolor_ = FL_RED;
|
|
ok_entry_ = 1;
|
|
pressed_ = -1;
|
|
|
|
down_box(FL_UP_BOX);
|
|
}
|
|
|
|
/**
|
|
Draw directory buttons.
|
|
*/
|
|
void Fl_File_Input::draw_buttons() {
|
|
int i, // Looping var
|
|
X; // Current X position
|
|
|
|
|
|
if (damage() & (FL_DAMAGE_BAR | FL_DAMAGE_ALL)) {
|
|
update_buttons();
|
|
}
|
|
|
|
for (X = 0, i = 0; buttons_[i]; i ++)
|
|
{
|
|
if ((X + buttons_[i]) > xscroll()) {
|
|
if (X < xscroll()) {
|
|
draw_box(pressed_ == i ? fl_down(down_box()) : down_box(),
|
|
x(), y(), X + buttons_[i] - xscroll(), DIR_HEIGHT, FL_GRAY);
|
|
} else if ((X + buttons_[i] - xscroll()) > w()) {
|
|
draw_box(pressed_ == i ? fl_down(down_box()) : down_box(),
|
|
x() + X - xscroll(), y(), w() - X + xscroll(), DIR_HEIGHT,
|
|
FL_GRAY);
|
|
} else {
|
|
draw_box(pressed_ == i ? fl_down(down_box()) : down_box(),
|
|
x() + X - xscroll(), y(), buttons_[i], DIR_HEIGHT, FL_GRAY);
|
|
}
|
|
}
|
|
|
|
X += buttons_[i];
|
|
}
|
|
|
|
if (X < w()) {
|
|
draw_box(pressed_ == i ? fl_down(down_box()) : down_box(),
|
|
x() + X - xscroll(), y(), w() - X + xscroll(), DIR_HEIGHT, FL_GRAY);
|
|
}
|
|
}
|
|
|
|
/**
|
|
Update the sizes of the directory buttons.
|
|
*/
|
|
void Fl_File_Input::update_buttons() {
|
|
int i; // Looping var
|
|
const char *start, // Start of path component
|
|
*end; // End of path component
|
|
|
|
|
|
// puts("update_buttons()");
|
|
|
|
// Set the current font & size...
|
|
fl_font(textfont(), textsize());
|
|
|
|
// Loop through the value string, setting widths...
|
|
for (i = 0, start = value();
|
|
start && i < (int)(sizeof(buttons_) / sizeof(buttons_[0]) - 1);
|
|
start = end, i ++) {
|
|
// printf(" start = \"%s\"\n", start);
|
|
if ((end = Fl::system_driver()->next_dir_sep(start)) == NULL)
|
|
break;
|
|
|
|
end ++;
|
|
|
|
buttons_[i] = (short)fl_width(start, (int) (end - start));
|
|
if (!i) buttons_[i] += Fl::box_dx(box()) + 6;
|
|
}
|
|
|
|
// printf(" found %d components/buttons...\n", i);
|
|
|
|
buttons_[i] = 0;
|
|
}
|
|
|
|
|
|
/**
|
|
Sets the value of the widget given a new string value and its length.
|
|
Returns non 0 on success.
|
|
\param[in] str new string value
|
|
\param[in] len lengh of value
|
|
*/
|
|
int // O - TRUE on success
|
|
Fl_File_Input::value(const char *str, // I - New string value
|
|
int len) { // I - Length of value
|
|
damage(FL_DAMAGE_BAR);
|
|
return Fl_Input::value(str,len);
|
|
}
|
|
|
|
|
|
/**
|
|
Sets the value of the widget given a new string value.
|
|
Returns non 0 on success.
|
|
\param[in] str new string value
|
|
*/
|
|
int // O - TRUE on success
|
|
Fl_File_Input::value(const char *str) { // I - New string value
|
|
damage(FL_DAMAGE_BAR);
|
|
return Fl_Input::value(str);
|
|
}
|
|
|
|
|
|
/**
|
|
Draws the file input widget
|
|
*/
|
|
void Fl_File_Input::draw() {
|
|
Fl_Boxtype b = box();
|
|
if (damage() & (FL_DAMAGE_BAR | FL_DAMAGE_ALL)) draw_buttons();
|
|
// this flag keeps Fl_Input_::drawtext from drawing a bogus box!
|
|
char must_trick_fl_input_ =
|
|
Fl::focus()!=this && !size() && !(damage()&FL_DAMAGE_ALL);
|
|
if ((damage() & FL_DAMAGE_ALL) || must_trick_fl_input_)
|
|
draw_box(b,x(),y()+DIR_HEIGHT,w(),h()-DIR_HEIGHT,color());
|
|
if (!must_trick_fl_input_)
|
|
Fl_Input_::drawtext(x()+Fl::box_dx(b)+3, y()+Fl::box_dy(b)+DIR_HEIGHT,
|
|
w()-Fl::box_dw(b)-6, h()-Fl::box_dh(b)-DIR_HEIGHT);
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
Handle events in the widget.
|
|
Return non zero if event is handled.
|
|
\param[in] event
|
|
*/
|
|
int // O - TRUE if we handled event
|
|
Fl_File_Input::handle(int event) // I - Event
|
|
{
|
|
// printf("handle(event = %d)\n", event);
|
|
static char inButtonBar = 0;
|
|
|
|
switch (event) {
|
|
case FL_MOVE :
|
|
case FL_ENTER :
|
|
if (active_r()) {
|
|
if (Fl::event_y() < (y() + DIR_HEIGHT))
|
|
window()->cursor(FL_CURSOR_DEFAULT);
|
|
else
|
|
window()->cursor(FL_CURSOR_INSERT);
|
|
}
|
|
|
|
return 1;
|
|
|
|
case FL_PUSH :
|
|
inButtonBar = (Fl::event_y() < (y() + DIR_HEIGHT));
|
|
case FL_RELEASE :
|
|
case FL_DRAG :
|
|
if (inButtonBar)
|
|
return handle_button(event);
|
|
else
|
|
return Fl_Input::handle(event);
|
|
|
|
default :
|
|
{ Fl_Widget_Tracker wp(this);
|
|
if (Fl_Input::handle(event)) {
|
|
if (wp.exists())
|
|
damage(FL_DAMAGE_BAR);
|
|
return 1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
Handles button events in the widget.
|
|
Return non zero if event is handled.
|
|
\param[in] event
|
|
*/
|
|
int // O - TRUE if we handled event
|
|
Fl_File_Input::handle_button(int event) // I - Event
|
|
{
|
|
int i, // Looping var
|
|
X; // Current X position
|
|
char *start, // Start of path component
|
|
*end; // End of path component
|
|
char newvalue[FL_PATH_MAX]; // New value
|
|
|
|
|
|
// Figure out which button is being pressed...
|
|
for (X = 0, i = 0; buttons_[i]; i ++)
|
|
{
|
|
X += buttons_[i];
|
|
|
|
if (X > xscroll() && Fl::event_x() < (x() + X - xscroll())) break;
|
|
}
|
|
|
|
// printf("handle_button(event = %d), button = %d\n", event, i);
|
|
|
|
// Redraw the directory bar...
|
|
if (event == FL_RELEASE) pressed_ = -1;
|
|
else pressed_ = (short)i;
|
|
|
|
window()->make_current();
|
|
draw_buttons();
|
|
|
|
// Return immediately if the user is clicking on the last button or
|
|
// has not released the mouse button...
|
|
if (!buttons_[i] || event != FL_RELEASE) return 1;
|
|
|
|
// Figure out where to truncate the path...
|
|
strlcpy(newvalue, value(), sizeof(newvalue));
|
|
|
|
for (start = newvalue, end = start; start && i >= 0; start = end, i --) {
|
|
// printf(" start = \"%s\"\n", start);
|
|
if ((end = (char*)Fl::system_driver()->next_dir_sep(start)) == NULL)
|
|
break;
|
|
|
|
end ++;
|
|
}
|
|
|
|
if (i < 0) {
|
|
// Found the end; truncate the value and update the buttons...
|
|
*start = '\0';
|
|
value(newvalue, (int) (start - newvalue) );
|
|
|
|
// Then do the callbacks, if necessary...
|
|
set_changed();
|
|
if (when() & (FL_WHEN_CHANGED|FL_WHEN_RELEASE) ) do_callback();
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
|
|
//
|
|
// End of "$Id$".
|
|
//
|