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Fl_Group_Type.cxx
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Fl_Group_Type.cxx
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//
// "$Id$"
//
// Fl_Group object code for the Fast Light Tool Kit (FLTK).
//
// Object describing an Fl_Group and links to Fl_Window_Type.C and
// the Fl_Tabs widget, with special stuff to select tab items and
// insure that only one is visible.
//
// Copyright 1998-2010 by Bill Spitzak and others.
//
// 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/Fl_Group.H>
#include <FL/Fl_Table.H>
#include <FL/fl_message.H>
#include "Fl_Widget_Type.h"
#include "../src/flstring.h"
// Override group's resize behavior to do nothing to children:
void igroup::resize(int X, int Y, int W, int H) {
Fl_Widget::resize(X,Y,W,H);
redraw();
}
Fl_Group_Type Fl_Group_type; // the "factory"
Fl_Type *Fl_Group_Type::make() {
return Fl_Widget_Type::make();
}
void fix_group_size(Fl_Type *tt) {
if (!tt || !tt->is_group()) return;
Fl_Group_Type* t = (Fl_Group_Type*)tt;
int X = t->o->x();
int Y = t->o->y();
int R = X+t->o->w();
int B = Y+t->o->h();
for (Fl_Type *nn = t->next; nn && nn->level > t->level; nn = nn->next) {
if (!nn->is_widget() || nn->is_menu_item()) continue;
Fl_Widget_Type* n = (Fl_Widget_Type*)nn;
int x = n->o->x(); if (x < X) X = x;
int y = n->o->y(); if (y < Y) Y = y;
int r = x+n->o->w();if (r > R) R = r;
int b = y+n->o->h();if (b > B) B = b;
}
t->o->resize(X,Y,R-X,B-Y);
}
extern int force_parent;
void group_cb(Fl_Widget *, void *) {
// Find the current widget:
Fl_Type *qq = Fl_Type::current;
while (qq && (!qq->is_widget() || qq->is_menu_item())) qq = qq->parent;
if (!qq || qq->level < 1 || (qq->level == 1 && !strcmp(qq->type_name(), "widget_class"))) {
fl_message("Please select widgets to group");
return;
}
Fl_Widget_Type* q = (Fl_Widget_Type*)qq;
force_parent = 1;
Fl_Group_Type *n = (Fl_Group_Type*)(Fl_Group_type.make());
n->move_before(q);
n->o->resize(q->o->x(),q->o->y(),q->o->w(),q->o->h());
for (Fl_Type *t = Fl_Type::first; t;) {
if (t->level != n->level || t == n || !t->selected) {
t = t->next; continue;}
Fl_Type *nxt = t->remove();
t->add(n);
t = nxt;
}
fix_group_size(n);
}
void ungroup_cb(Fl_Widget *, void *) {
// Find the group:
Fl_Type *q = Fl_Type::current;
while (q && (!q->is_widget() || q->is_menu_item())) q = q->parent;
if (q) q = q->parent;
if (!q || q->level < 1 || (q->level == 1 && !strcmp(q->type_name(), "widget_class"))) {
fl_message("Please select widgets in a group");
return;
}
Fl_Type* n;
for (n = q->next; n && n->level > q->level; n = n->next) {
if (n->level == q->level+1 && !n->selected) {
fl_message("Please select all widgets in group");
return;
}
}
for (n = q->next; n && n->level > q->level;) {
Fl_Type *nxt = n->remove();
n->insert(q);
n = nxt;
}
delete q;
}
////////////////////////////////////////////////////////////////
#include <stdio.h>
void Fl_Group_Type::write_code1() {
Fl_Widget_Type::write_code1();
}
void Fl_Group_Type::write_code2() {
const char *var = name() ? name() : "o";
write_extra_code();
write_c("%s%s->end();\n", indent(), var);
if (resizable()) {
write_c("%sFl_Group::current()->resizable(%s);\n", indent(), var);
}
write_block_close();
}
////////////////////////////////////////////////////////////////
const char pack_type_name[] = "Fl_Pack";
Fl_Menu_Item pack_type_menu[] = {
{"HORIZONTAL", 0, 0, (void*)Fl_Pack::HORIZONTAL},
{"VERTICAL", 0, 0, (void*)Fl_Pack::VERTICAL},
{0}};
Fl_Pack_Type Fl_Pack_type; // the "factory"
////////////////////////////////////////////////////////////////
static const int MAX_ROWS = 14;
static const int MAX_COLS = 7;
// this is a minimal table widget used as an example when adding tables in Fluid
class Fluid_Table : public Fl_Table {
int data[MAX_ROWS][MAX_COLS]; // data array for cells
// Draw the row/col headings
// Make this a dark thin upbox with the text inside.
//
void DrawHeader(const char *s, int X, int Y, int W, int H) {
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);
fl_draw(s, X,Y,W,H, FL_ALIGN_CENTER);
fl_pop_clip();
}
// Draw the cell data
// Dark gray text on white background with subtle border
//
void DrawData(const char *s, int X, int Y, int W, int H) {
fl_push_clip(X,Y,W,H);
// Draw cell bg
fl_color(FL_WHITE); fl_rectf(X,Y,W,H);
// Draw cell data
fl_color(FL_GRAY0); fl_draw(s, X,Y,W,H, FL_ALIGN_CENTER);
// Draw box border
fl_color(color()); fl_rect(X,Y,W,H);
fl_pop_clip();
}
// Handle drawing table's cells
// Fl_Table calls this function to draw each visible cell in the table.
// It's up to us to use FLTK's drawing functions to draw the cells the way we want.
//
void draw_cell(TableContext context, int ROW=0, int COL=0, int X=0, int Y=0, int W=0, int H=0) {
static char s[40];
switch ( context ) {
case CONTEXT_STARTPAGE: // before page is drawn..
fl_font(FL_HELVETICA, 16); // set the font for our drawing operations
return;
case CONTEXT_COL_HEADER: // Draw column headers
sprintf(s,"%c",'A'+COL); // "A", "B", "C", etc.
DrawHeader(s,X,Y,W,H);
return;
case CONTEXT_ROW_HEADER: // Draw row headers
sprintf(s,"%03d:",ROW); // "001:", "002:", etc
DrawHeader(s,X,Y,W,H);
return;
case CONTEXT_CELL: // Draw data in cells
sprintf(s,"%d",data[ROW][COL]);
DrawData(s,X,Y,W,H);
return;
default:
return;
}
}
public:
Fluid_Table(int x, int y, int w, int h, const char *l=0L)
: Fl_Table(x, y, w, h, l) {
end();
for ( int r=0; r<MAX_ROWS; r++ )
for ( int c=0; c<MAX_COLS; c++ )
data[r][c] = 1000+(r*1000)+c;
// Rows
rows(MAX_ROWS); // how many rows
row_header(1); // enable row headers (along left)
row_height_all(20); // default height of rows
row_resize(0); // disable row resizing
// Cols
cols(MAX_COLS); // how many columns
col_header(1); // enable column headers (along top)
col_width_all(80); // default width of columns
col_resize(1); // enable column resizing
}
};
const char table_type_name[] = "Fl_Table";
Fl_Table_Type Fl_Table_type; // the "factory"
Fl_Widget *Fl_Table_Type::widget(int X,int Y,int W,int H) {
Fluid_Table *table = new Fluid_Table(X, Y, W, H);
return table;
}
////////////////////////////////////////////////////////////////
const char tabs_type_name[] = "Fl_Tabs";
// Override group's resize behavior to do nothing to children:
void itabs::resize(int X, int Y, int W, int H) {
Fl_Widget::resize(X,Y,W,H);
redraw();
}
Fl_Tabs_Type Fl_Tabs_type; // the "factory"
// This is called when user clicks on a widget in the window. See
// if it is a tab title, and adjust visibility and return new selection:
// If none, return o unchanged:
Fl_Type* Fl_Tabs_Type::click_test(int x, int y) {
Fl_Tabs *t = (Fl_Tabs*)o;
Fl_Widget *a = t->which(x,y);
if (!a) return 0; // didn't click on tab
// changing the visible tab has an impact on the generated
// source code, so mark this project as changed.
int changed = (a!=t->value());
// okay, run the tabs ui until they let go of mouse:
t->handle(FL_PUSH);
Fl::pushed(t);
while (Fl::pushed()==t) Fl::wait();
if (changed) set_modflag(1);
return (Fl_Type*)(t->value()->user_data());
}
////////////////////////////////////////////////////////////////
const char wizard_type_name[] = "Fl_Wizard";
// Override group's resize behavior to do nothing to children:
void iwizard::resize(int X, int Y, int W, int H) {
Fl_Widget::resize(X,Y,W,H);
redraw();
}
Fl_Wizard_Type Fl_Wizard_type; // the "factory"
// This is called when o is created. If it is in the tab group make
// sure it is visible:
void Fl_Group_Type::add_child(Fl_Type* cc, Fl_Type* before) {
Fl_Widget_Type* c = (Fl_Widget_Type*)cc;
Fl_Widget* b = before ? ((Fl_Widget_Type*)before)->o : 0;
((Fl_Group*)o)->insert(*(c->o), b);
o->redraw();
}
void Fl_Tabs_Type::add_child(Fl_Type* c, Fl_Type* before) {
Fl_Group_Type::add_child(c, before);
}
void Fl_Table_Type::add_child(Fl_Type* cc, Fl_Type* before) {
Fl_Widget_Type* c = (Fl_Widget_Type*)cc;
Fl_Widget* b = before ? ((Fl_Widget_Type*)before)->o : 0;
if (((Fl_Table*)o)->children()==1) { // the FLuid_Table has one extra child
fl_message("Inserting child widgets into an Fl_Table is not recommended.\n"
"Please refer to the documentation on Fl_Table.");
}
((Fl_Table*)o)->insert(*(c->o), b);
o->redraw();
}
// This is called when o is deleted. If it is in the tab group make
// sure it is not visible:
void Fl_Group_Type::remove_child(Fl_Type* cc) {
Fl_Widget_Type* c = (Fl_Widget_Type*)cc;
((Fl_Group*)o)->remove(c->o);
o->redraw();
}
void Fl_Tabs_Type::remove_child(Fl_Type* cc) {
Fl_Widget_Type* c = (Fl_Widget_Type*)cc;
Fl_Tabs *t = (Fl_Tabs*)o;
if (t->value() == c->o) t->value(0);
Fl_Group_Type::remove_child(c);
}
void Fl_Table_Type::remove_child(Fl_Type* cc) {
Fl_Widget_Type* c = (Fl_Widget_Type*)cc;
((Fl_Table*)o)->remove(*(c->o));
o->redraw();
}
// move, don't change selected value:
void Fl_Group_Type::move_child(Fl_Type* cc, Fl_Type* before) {
Fl_Widget_Type* c = (Fl_Widget_Type*)cc;
Fl_Widget* b = before ? ((Fl_Widget_Type*)before)->o : 0;
((Fl_Group*)o)->remove(c->o);
((Fl_Group*)o)->insert(*(c->o), b);
o->redraw();
}
void Fl_Table_Type::move_child(Fl_Type* cc, Fl_Type* before) {
Fl_Widget_Type* c = (Fl_Widget_Type*)cc;
Fl_Widget* b = before ? ((Fl_Widget_Type*)before)->o : 0;
((Fl_Table*)o)->remove(*(c->o));
((Fl_Table*)o)->insert(*(c->o), b);
o->redraw();
}
////////////////////////////////////////////////////////////////
// live mode support
Fl_Widget *Fl_Group_Type::enter_live_mode(int) {
Fl_Group *grp = new Fl_Group(o->x(), o->y(), o->w(), o->h());
live_widget = grp;
if (live_widget) {
copy_properties();
Fl_Type *n;
for (n = next; n && n->level > level; n = n->next) {
if (n->level == level+1)
n->enter_live_mode();
}
grp->end();
}
return live_widget;
}
Fl_Widget *Fl_Tabs_Type::enter_live_mode(int) {
Fl_Tabs *grp = new Fl_Tabs(o->x(), o->y(), o->w(), o->h());
live_widget = grp;
if (live_widget) {
copy_properties();
Fl_Type *n;
for (n = next; n && n->level > level; n = n->next) {
if (n->level == level+1)
n->enter_live_mode();
}
grp->end();
}
grp->value(((Fl_Tabs*)o)->value());
return live_widget;
}
Fl_Widget *Fl_Table_Type::enter_live_mode(int) {
Fl_Group *grp = new Fluid_Table(o->x(), o->y(), o->w(), o->h());
live_widget = grp;
if (live_widget) {
copy_properties();
grp->end();
}
return live_widget;
}
void Fl_Group_Type::leave_live_mode() {
}
/**
copy all properties from the edit widget to the live widget
*/
void Fl_Group_Type::copy_properties() {
Fl_Widget_Type::copy_properties();
}
////////////////////////////////////////////////////////////////
// some other group subclasses that fluid does not treat specially:
#include <FL/Fl_Scroll.H>
const char scroll_type_name[] = "Fl_Scroll";
Fl_Widget *Fl_Scroll_Type::enter_live_mode(int) {
Fl_Group *grp = new Fl_Scroll(o->x(), o->y(), o->w(), o->h());
grp->show();
live_widget = grp;
if (live_widget) {
copy_properties();
Fl_Type *n;
for (n = next; n && n->level > level; n = n->next) {
if (n->level == level+1)
n->enter_live_mode();
}
grp->end();
}
return live_widget;
}
Fl_Menu_Item scroll_type_menu[] = {
{"BOTH", 0, 0, 0/*(void*)Fl_Scroll::BOTH*/},
{"HORIZONTAL", 0, 0, (void*)Fl_Scroll::HORIZONTAL},
{"VERTICAL", 0, 0, (void*)Fl_Scroll::VERTICAL},
{"HORIZONTAL_ALWAYS", 0, 0, (void*)Fl_Scroll::HORIZONTAL_ALWAYS},
{"VERTICAL_ALWAYS", 0, 0, (void*)Fl_Scroll::VERTICAL_ALWAYS},
{"BOTH_ALWAYS", 0, 0, (void*)Fl_Scroll::BOTH_ALWAYS},
{0}};
Fl_Scroll_Type Fl_Scroll_type; // the "factory"
void Fl_Scroll_Type::copy_properties() {
Fl_Group_Type::copy_properties();
Fl_Scroll *s = (Fl_Scroll*)o, *d = (Fl_Scroll*)live_widget;
d->position(s->xposition(), s->yposition());
d->type(s->type()); // TODO: get this flag from Fl_Scroll_Type!
d->scrollbar.align(s->scrollbar.align());
d->hscrollbar.align(s->hscrollbar.align());
}
////////////////////////////////////////////////////////////////
const char tile_type_name[] = "Fl_Tile";
Fl_Tile_Type Fl_Tile_type; // the "factory"
void Fl_Tile_Type::copy_properties() {
Fl_Group_Type::copy_properties();
// no additional properties
}
//
// End of "$Id$".
//