diff options
Diffstat (limited to 'fluid/app/align_widget.cxx')
| -rw-r--r-- | fluid/app/align_widget.cxx | 414 |
1 files changed, 414 insertions, 0 deletions
diff --git a/fluid/app/align_widget.cxx b/fluid/app/align_widget.cxx new file mode 100644 index 000000000..a9badf9e4 --- /dev/null +++ b/fluid/app/align_widget.cxx @@ -0,0 +1,414 @@ +// +// Alignment code for the Fast Light Tool Kit (FLTK). +// +// Copyright 1998-2023 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: +// +// https://www.fltk.org/COPYING.php +// +// Please see the following page on how to report bugs and issues: +// +// https://www.fltk.org/bugs.php +// + +#include "app/align_widget.h" + +#include "app/fluid.h" +#include "app/undo.h" +#include "nodes/Fl_Group_Type.h" + +#include <FL/Fl.H> +#include <FL/Fl_Window.H> + +/** + the first behavior always uses the first selected widget as a reference + the second behavior 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; + undo_checkpoint(); + } + Fl_Widget *w = ((Fl_Widget_Type *)o)->o; + Fl_Type::allow_layout++; + w->resize(left, w->y(), w->w(), w->h()); + Fl_Type::allow_layout--; + 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; + undo_checkpoint(); + } + Fl_Widget *w = ((Fl_Widget_Type *)o)->o; + Fl_Type::allow_layout++; + w->resize((center2-w->w())/2, w->y(), w->w(), w->h()); + Fl_Type::allow_layout--; + 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; + undo_checkpoint(); + } + Fl_Widget *w = ((Fl_Widget_Type *)o)->o; + Fl_Type::allow_layout++; + w->resize(right-w->w(), w->y(), w->w(), w->h()); + Fl_Type::allow_layout--; + 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; + undo_checkpoint(); + } + Fl_Widget *w = ((Fl_Widget_Type *)o)->o; + Fl_Type::allow_layout++; + w->resize(w->x(), top, w->w(), w->h()); + Fl_Type::allow_layout--; + 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; + undo_checkpoint(); + } + Fl_Widget *w = ((Fl_Widget_Type *)o)->o; + Fl_Type::allow_layout++; + w->resize(w->x(), (center2-w->h())/2, w->w(), w->h()); + Fl_Type::allow_layout--; + 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; + undo_checkpoint(); + } + Fl_Widget *w = ((Fl_Widget_Type *)o)->o; + Fl_Type::allow_layout++; + w->resize( w->x(), bot-w->h(), w->w(), w->h()); + Fl_Type::allow_layout--; + w->redraw(); + if (w->window()) w->window()->redraw(); + } + break; + //---- space evenly + 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) + { + wdt = wdt/n*n; // make sure that all gaps are the same, possibly moving the rightmost widget + 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; + undo_checkpoint(); + } + Fl_Widget *w = ((Fl_Widget_Type *)o)->o; + Fl_Type::allow_layout++; + w->resize(left+wsum+wdt*cnt/n, w->y(), w->w(), w->h()); + Fl_Type::allow_layout--; + 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) + { + hgt = hgt/n*n; // make sure that all gaps are the same, possibly moving the rightmost widget + 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; + undo_checkpoint(); + } + Fl_Widget *w = ((Fl_Widget_Type *)o)->o; + Fl_Type::allow_layout++; + w->resize(w->x(), top+hsum+hgt*cnt/n, w->w(), w->h()); + Fl_Type::allow_layout--; + 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; + undo_checkpoint(); + } + Fl_Widget *w = ((Fl_Widget_Type *)o)->o; + Fl_Type::allow_layout++; + w->resize(w->x(), w->y(), wdt, w->h()); + Fl_Type::allow_layout--; + 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; + undo_checkpoint(); + } + Fl_Widget *w = ((Fl_Widget_Type *)o)->o; + Fl_Type::allow_layout++; + w->resize( w->x(), w->y(), w->w(), hgt); + Fl_Type::allow_layout--; + 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; + undo_checkpoint(); + } + Fl_Widget *w = ((Fl_Widget_Type *)o)->o; + Fl_Type::allow_layout++; + w->resize( w->x(), w->y(), wdt, hgt); + Fl_Type::allow_layout--; + 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; + 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(); + + Fl_Type::allow_layout++; + w->resize((center2-w->w())/2, w->y(), w->w(), w->h()); + Fl_Type::allow_layout--; + 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; + 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(); + + Fl_Type::allow_layout++; + w->resize(w->x(), (center2-w->h())/2, w->w(), w->h()); + Fl_Type::allow_layout--; + set_modflag(1); + w->redraw(); + if (w->window()) w->window()->redraw(); + } + break; + } + if (changed) + set_modflag(1); +} |