ref: 2c23de27d5006e969106fad672399fafe6464845
dir: /DoConfig/fltk/fluid/align_widget.cxx/
// // "$Id$" // // Alignment code for the Fast Light Tool Kit (FLTK). // // 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_Window.H> #include "Fl_Widget_Type.h" #include "undo.h" /** * the first behaviour always uses the first selected widget as a reference * the second behaviour uses the largest widget (most extreme positions) as * a reference. */ #define BREAK_ON_FIRST break //#define BREAK_ON_FIRST void align_widget_cb(Fl_Widget*, long how) { const int max = 32768, min = -32768; int left, right, top, bot, wdt, hgt, n; Fl_Type *o; int changed = 0; switch ( how ) { //---- align case 10: // align left left = max; for (o = Fl_Type::first; o; o = o->next) if (o->selected && o->is_widget()) { Fl_Widget *w = ((Fl_Widget_Type *)o)->o; if (w->x()<left) left = w->x(); BREAK_ON_FIRST; } if (left!=max) for (Fl_Type *o = Fl_Type::first; o; o = o->next) if (o->selected && o->is_widget()) { if (!changed) { changed = 1; set_modflag(1); undo_checkpoint(); } Fl_Widget *w = ((Fl_Widget_Type *)o)->o; if (o->next && o->next->level > o->level && !o->next->selected && !o->is_menu_button()) { // When resizing a group, make sure we also move the children... ((igroup *)w)->full_resize(left, w->y(), w->w(), w->h()); } else { // Otherwise, just do the widget... w->resize(left, w->y(), w->w(), w->h()); } w->redraw(); if (w->window()) w->window()->redraw(); } break; case 11: // align h.center left = max; right = min; for (o = Fl_Type::first; o; o = o->next) if (o->selected && o->is_widget()) { Fl_Widget *w = ((Fl_Widget_Type *)o)->o; if (w->x()<left) left = w->x(); if (w->x()+w->w()>right) right = w->x()+w->w(); BREAK_ON_FIRST; } if (left!=max) { int center2 = left+right; for (Fl_Type *o = Fl_Type::first; o; o = o->next) if (o->selected && o->is_widget()) { if (!changed) { changed = 1; set_modflag(1); undo_checkpoint(); } Fl_Widget *w = ((Fl_Widget_Type *)o)->o; if (o->next && o->next->level > o->level && !o->next->selected && !o->is_menu_button()) { // When resizing a group, make sure we also move the children... ((igroup *)w)->full_resize((center2-w->w())/2, w->y(), w->w(), w->h()); } else { // Otherwise, just do the widget... w->resize((center2-w->w())/2, w->y(), w->w(), w->h()); } w->redraw(); if (w->window()) w->window()->redraw(); } } break; case 12: // align right right = min; for (o = Fl_Type::first; o; o = o->next) if (o->selected && o->is_widget()) { Fl_Widget *w = ((Fl_Widget_Type *)o)->o; if (w->x()+w->w()>right) right = w->x()+w->w(); BREAK_ON_FIRST; } if (right!=min) for (Fl_Type *o = Fl_Type::first; o; o = o->next) if (o->selected && o->is_widget()) { if (!changed) { changed = 1; set_modflag(1); undo_checkpoint(); } Fl_Widget *w = ((Fl_Widget_Type *)o)->o; if (o->next && o->next->level > o->level && !o->next->selected && !o->is_menu_button()) { // When resizing a group, make sure we also move the children... ((igroup *)w)->full_resize(right-w->w(), w->y(), w->w(), w->h()); } else { // Otherwise, just do the widget... w->resize(right-w->w(), w->y(), w->w(), w->h()); } w->redraw(); if (w->window()) w->window()->redraw(); } break; case 13: // align top top = max; for (o = Fl_Type::first; o; o = o->next) if (o->selected && o->is_widget()) { Fl_Widget *w = ((Fl_Widget_Type *)o)->o; if (w->y()<top) top = w->y(); BREAK_ON_FIRST; } if (top!=max) for (Fl_Type *o = Fl_Type::first; o; o = o->next) if (o->selected && o->is_widget()) { if (!changed) { changed = 1; set_modflag(1); undo_checkpoint(); } Fl_Widget *w = ((Fl_Widget_Type *)o)->o; if (o->next && o->next->level > o->level && !o->next->selected && !o->is_menu_button()) { // When resizing a group, make sure we also move the children... ((igroup *)w)->full_resize(w->x(), top, w->w(), w->h()); } else { // Otherwise, just do the widget... w->resize(w->x(), top, w->w(), w->h()); } w->redraw(); if (w->window()) w->window()->redraw(); } break; case 14: // align v.center top = max; bot = min; for (o = Fl_Type::first; o; o = o->next) if (o->selected && o->is_widget()) { Fl_Widget *w = ((Fl_Widget_Type *)o)->o; if (w->y()<top) top = w->y(); if (w->y()+w->h()>bot) bot = w->y()+w->h(); BREAK_ON_FIRST; } if (top!=max) { int center2 = top+bot; for (Fl_Type *o = Fl_Type::first; o; o = o->next) if (o->selected && o->is_widget()) { if (!changed) { changed = 1; set_modflag(1); undo_checkpoint(); } Fl_Widget *w = ((Fl_Widget_Type *)o)->o; if (o->next && o->next->level > o->level && !o->next->selected && !o->is_menu_button()) { // When resizing a group, make sure we also move the children... ((igroup *)w)->full_resize(w->x(), (center2-w->h())/2, w->w(), w->h()); } else { // Otherwise, just do the widget... w->resize(w->x(), (center2-w->h())/2, w->w(), w->h()); } w->redraw(); if (w->window()) w->window()->redraw(); } } break; case 15: // align bottom bot = min; for (o = Fl_Type::first; o; o = o->next) if (o->selected && o->is_widget()) { Fl_Widget *w = ((Fl_Widget_Type *)o)->o; if (w->y()+w->h()>bot) bot = w->y()+w->h(); BREAK_ON_FIRST; } if (bot!=min) for (Fl_Type *o = Fl_Type::first; o; o = o->next) if (o->selected && o->is_widget()) { if (!changed) { changed = 1; set_modflag(1); undo_checkpoint(); } Fl_Widget *w = ((Fl_Widget_Type *)o)->o; if (o->next && o->next->level > o->level && !o->next->selected && !o->is_menu_button()) { // When resizing a group, make sure we also move the children... ((igroup *)w)->full_resize( w->x(), bot-w->h(), w->w(), w->h()); } else { // Otherwise, just do the widget... w->resize( w->x(), bot-w->h(), w->w(), w->h()); } w->redraw(); if (w->window()) w->window()->redraw(); } break; //---- space evently case 20: // space evenly across left = max; right = min; wdt = 0, n = 0; for (o = Fl_Type::first; o; o = o->next) if (o->selected && o->is_widget()) { Fl_Widget *w = ((Fl_Widget_Type *)o)->o; if (w->x()<left) left = w->x(); if (w->x()+w->w()>right) right = w->x()+w->w(); wdt += w->w(); n++; } wdt = (right-left)-wdt; n--; if (n>0) { int cnt = 0, wsum = 0; for (Fl_Type *o = Fl_Type::first; o; o = o->next) if (o->selected && o->is_widget()) { if (!changed) { changed = 1; set_modflag(1); undo_checkpoint(); } Fl_Widget *w = ((Fl_Widget_Type *)o)->o; if (o->next && o->next->level > o->level && !o->next->selected && !o->is_menu_button()) { // When resizing a group, make sure we also move the children... ((igroup *)w)->full_resize(left+wsum+wdt*cnt/n, w->y(), w->w(), w->h()); } else { // Otherwise, just do the widget... w->resize(left+wsum+wdt*cnt/n, w->y(), w->w(), w->h()); } w->redraw(); if (w->window()) w->window()->redraw(); cnt++; wsum += w->w(); } } break; case 21: // space evenly down top = max; bot = min; hgt = 0, n = 0; for (o = Fl_Type::first; o; o = o->next) if (o->selected && o->is_widget()) { Fl_Widget *w = ((Fl_Widget_Type *)o)->o; if (w->y()<top) top = w->y(); if (w->y()+w->h()>bot) bot = w->y()+w->h(); hgt += w->h(); n++; } hgt = (bot-top)-hgt; n--; if (n>0) { int cnt = 0, hsum = 0; for (Fl_Type *o = Fl_Type::first; o; o = o->next) if (o->selected && o->is_widget()) { if (!changed) { changed = 1; set_modflag(1); undo_checkpoint(); } Fl_Widget *w = ((Fl_Widget_Type *)o)->o; if (o->next && o->next->level > o->level && !o->next->selected && !o->is_menu_button()) { // When resizing a group, make sure we also move the children... ((igroup *)w)->full_resize(w->x(), top+hsum+hgt*cnt/n, w->w(), w->h()); } else { // Otherwise, just do the widget... w->resize(w->x(), top+hsum+hgt*cnt/n, w->w(), w->h()); } w->redraw(); if (w->window()) w->window()->redraw(); cnt++; hsum += w->h(); } } break; //---- make same size case 30: // same width wdt = min; for (o = Fl_Type::first; o; o = o->next) if (o->selected && o->is_widget()) { Fl_Widget *w = ((Fl_Widget_Type *)o)->o; if (w->w()>wdt) wdt = w->w(); BREAK_ON_FIRST; } if (wdt!=min) for (Fl_Type *o = Fl_Type::first; o; o = o->next) if (o->selected && o->is_widget()) { if (!changed) { changed = 1; set_modflag(1); undo_checkpoint(); } Fl_Widget *w = ((Fl_Widget_Type *)o)->o; if (o->next && o->next->level > o->level && !o->next->selected && !o->is_menu_button()) { // When resizing a group, make sure we also move the children... ((igroup *)w)->full_resize(w->x(), w->y(), wdt, w->h()); } else { // Otherwise, just do the widget... w->resize(w->x(), w->y(), wdt, w->h()); } w->redraw(); if (w->window()) w->window()->redraw(); } break; case 31: // same height hgt = min; for (o = Fl_Type::first; o; o = o->next) if (o->selected && o->is_widget()) { Fl_Widget *w = ((Fl_Widget_Type *)o)->o; if (w->h()>hgt) hgt = w->h(); BREAK_ON_FIRST; } if (hgt!=min) for (Fl_Type *o = Fl_Type::first; o; o = o->next) if (o->selected && o->is_widget()) { if (!changed) { changed = 1; set_modflag(1); undo_checkpoint(); } Fl_Widget *w = ((Fl_Widget_Type *)o)->o; if (o->next && o->next->level > o->level && !o->next->selected && !o->is_menu_button()) { // When resizing a group, make sure we also move the children... ((igroup *)w)->full_resize( w->x(), w->y(), w->w(), hgt); } else { // Otherwise, just do the widget... w->resize( w->x(), w->y(), w->w(), hgt); } w->redraw(); if (w->window()) w->window()->redraw(); } break; case 32: // same size hgt = min; wdt = min; for (o = Fl_Type::first; o; o = o->next) if (o->selected && o->is_widget()) { Fl_Widget *w = ((Fl_Widget_Type *)o)->o; if (w->w()>wdt) wdt = w->w(); if (w->h()>hgt) hgt = w->h(); BREAK_ON_FIRST; } if (hgt!=min) for (Fl_Type *o = Fl_Type::first; o; o = o->next) if (o->selected && o->is_widget()) { if (!changed) { changed = 1; set_modflag(1); undo_checkpoint(); } Fl_Widget *w = ((Fl_Widget_Type *)o)->o; if (o->next && o->next->level > o->level && !o->next->selected && !o->is_menu_button()) { // When resizing a group, make sure we also move the children... ((igroup *)w)->full_resize( w->x(), w->y(), wdt, hgt); } else { // Otherwise, just do the widget... w->resize( w->x(), w->y(), wdt, hgt); } w->redraw(); if (w->window()) w->window()->redraw(); } break; //---- center in group case 40: // center hor for (o = Fl_Type::first; o; o = o->next) if (o->selected && o->is_widget() && o->parent) { if (!changed) { changed = 1; set_modflag(1); undo_checkpoint(); } Fl_Widget *w = ((Fl_Widget_Type *)o)->o; Fl_Widget *p = ((Fl_Widget_Type *)o->parent)->o; int center2; if (w->window() == p) center2 = p->w(); else center2 = 2*p->x()+p->w(); if (o->next && o->next->level > o->level && !o->next->selected && !o->is_menu_button() && !o->is_menu_button()) { // When resizing a group, make sure we also move the children... ((igroup *)w)->full_resize((center2-w->w())/2, w->y(), w->w(), w->h()); } else { // Otherwise, just do the widget... w->resize((center2-w->w())/2, w->y(), w->w(), w->h()); } w->redraw(); if (w->window()) w->window()->redraw(); } break; case 41: // center vert for (o = Fl_Type::first; o; o = o->next) if (o->selected && o->is_widget() && o->parent) { if (!changed) { changed = 1; set_modflag(1); undo_checkpoint(); } Fl_Widget *w = ((Fl_Widget_Type *)o)->o; Fl_Widget *p = ((Fl_Widget_Type *)o->parent)->o; int center2; if (w->window() == p) center2 = p->h(); else center2 = 2*p->y()+p->h(); if (o->next && o->next->level > o->level && !o->next->selected && !o->is_menu_button()) { // When resizing a group, make sure we also move the children... ((igroup *)w)->full_resize(w->x(), (center2-w->h())/2, w->w(), w->h()); } else { // Otherwise, just do the widget... w->resize(w->x(), (center2-w->h())/2, w->w(), w->h()); } set_modflag(1); w->redraw(); if (w->window()) w->window()->redraw(); } break; } } // Set sizes of selected widgets... void widget_size_cb(Fl_Widget *, long size) { // Update any selected widgets... int changed = 0; for (Fl_Type *o = Fl_Type::first; o; o = o->next) { if (o->selected && o->is_widget()) { if (!changed) { changed = 1; set_modflag(1); undo_checkpoint(); } Fl_Widget *w = ((Fl_Widget_Type *)o)->o; w->labelsize((Fl_Font)size); Fl_Font f; int s = (int)size; Fl_Color c; ((Fl_Widget_Type *)o)->textstuff(2, f, s, c); w->redraw(); // since this may be a major change, the whole window should be redrawn if (w->window()) w->window()->redraw(); } } } // // End of "$Id$". //