diff options
| author | Yuval Adam <yuv.adm@gmail.com> | 2014-08-08 14:42:07 +0300 |
|---|---|---|
| committer | Yuval Adam <yuv.adm@gmail.com> | 2014-08-08 14:42:07 +0300 |
| commit | a6163888f3c56123b1db313743c6147ba498732c (patch) | |
| tree | ff7d15d991d1d09ba6cbc0cec80924f57445bfdd /third_party/windows/fltk-1.1.10/src/Fl_Browser.cxx | |
| parent | c3e4c9a25c2910d2d66d52215b3406b13d5b23d5 (diff) | |
Add third_party libs
Diffstat (limited to 'third_party/windows/fltk-1.1.10/src/Fl_Browser.cxx')
| -rw-r--r-- | third_party/windows/fltk-1.1.10/src/Fl_Browser.cxx | 551 |
1 files changed, 551 insertions, 0 deletions
diff --git a/third_party/windows/fltk-1.1.10/src/Fl_Browser.cxx b/third_party/windows/fltk-1.1.10/src/Fl_Browser.cxx new file mode 100644 index 0000000..e31c6e0 --- /dev/null +++ b/third_party/windows/fltk-1.1.10/src/Fl_Browser.cxx @@ -0,0 +1,551 @@ +//
+// "$Id: Fl_Browser.cxx 5987 2007-11-20 21:57:17Z mike $"
+//
+// Browser widget for the Fast Light Tool Kit (FLTK).
+//
+// Copyright 1998-2007 by Bill Spitzak and others.
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Library General Public
+// License as published by the Free Software Foundation; either
+// version 2 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Library General Public License for more details.
+//
+// You should have received a copy of the GNU Library General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+// USA.
+//
+// Please report all bugs and problems on the following page:
+//
+// http://www.fltk.org/str.php
+//
+
+#include <FL/Fl.H>
+#include <FL/Fl_Browser.H>
+#include <FL/fl_draw.H>
+#include "flstring.h"
+#include <stdlib.h>
+#include <math.h>
+
+// I modified this from the original Forms data to use a linked list
+// so that the number of items in the browser and size of those items
+// is unlimited. The only problem is that the old browser used an
+// index number to identify a line, and it is slow to convert from/to
+// a pointer. I use a cache of the last match to try to speed this
+// up.
+
+// Also added the ability to "hide" a line. This set's it's height to
+// zero, so the Fl_Browser_ cannot pick it.
+
+#define SELECTED 1
+#define NOTDISPLAYED 2
+
+struct FL_BLINE { // data is in a linked list of these
+ FL_BLINE* prev;
+ FL_BLINE* next;
+ void* data;
+ short length; // sizeof(txt)-1, may be longer than string
+ char flags; // selected, displayed
+ char txt[1]; // start of allocated array
+};
+
+void* Fl_Browser::item_first() const {return first;}
+
+void* Fl_Browser::item_next(void* l) const {return ((FL_BLINE*)l)->next;}
+
+void* Fl_Browser::item_prev(void* l) const {return ((FL_BLINE*)l)->prev;}
+
+int Fl_Browser::item_selected(void* l) const {
+ return ((FL_BLINE*)l)->flags&SELECTED;}
+
+void Fl_Browser::item_select(void* l, int v) {
+ if (v) ((FL_BLINE*)l)->flags |= SELECTED;
+ else ((FL_BLINE*)l)->flags &= ~SELECTED;
+}
+
+FL_BLINE* Fl_Browser::find_line(int line) const {
+ int n; FL_BLINE* l;
+ if (line == cacheline) return cache;
+ if (cacheline && line > (cacheline/2) && line < ((cacheline+lines)/2)) {
+ n = cacheline; l = cache;
+ } else if (line <= (lines/2)) {
+ n = 1; l = first;
+ } else {
+ n = lines; l = last;
+ }
+ for (; n < line && l; n++) l = l->next;
+ for (; n > line && l; n--) l = l->prev;
+ ((Fl_Browser*)this)->cacheline = line;
+ ((Fl_Browser*)this)->cache = l;
+ return l;
+}
+
+int Fl_Browser::lineno(void* v) const {
+ FL_BLINE* l = (FL_BLINE*)v;
+ if (!l) return 0;
+ if (l == cache) return cacheline;
+ if (l == first) return 1;
+ if (l == last) return lines;
+ if (!cache) {
+ ((Fl_Browser*)this)->cache = first;
+ ((Fl_Browser*)this)->cacheline = 1;
+ }
+ // assumme it is near cache, search both directions:
+ FL_BLINE* b = cache->prev;
+ int bnum = cacheline-1;
+ FL_BLINE* f = cache->next;
+ int fnum = cacheline+1;
+ int n = 0;
+ for (;;) {
+ if (b == l) {n = bnum; break;}
+ if (f == l) {n = fnum; break;}
+ if (b) {b = b->prev; bnum--;}
+ if (f) {f = f->next; fnum++;}
+ }
+ ((Fl_Browser*)this)->cache = l;
+ ((Fl_Browser*)this)->cacheline = n;
+ return n;
+}
+
+FL_BLINE* Fl_Browser::_remove(int line) {
+ FL_BLINE* ttt = find_line(line);
+ deleting(ttt);
+
+ cacheline = line-1;
+ cache = ttt->prev;
+ lines--;
+ full_height_ -= item_height(ttt);
+ if (ttt->prev) ttt->prev->next = ttt->next;
+ else first = ttt->next;
+ if (ttt->next) ttt->next->prev = ttt->prev;
+ else last = ttt->prev;
+
+ return(ttt);
+}
+
+void Fl_Browser::remove(int line) {
+ if (line < 1 || line > lines) return;
+ free(_remove(line));
+}
+
+void Fl_Browser::insert(int line, FL_BLINE* t) {
+ if (!first) {
+ t->prev = t->next = 0;
+ first = last = t;
+ } else if (line <= 1) {
+ inserting(first, t);
+ t->prev = 0;
+ t->next = first;
+ t->next->prev = t;
+ first = t;
+ } else if (line > lines) {
+ t->prev = last;
+ t->prev->next = t;
+ t->next = 0;
+ last = t;
+ } else {
+ FL_BLINE* n = find_line(line);
+ inserting(n, t);
+ t->next = n;
+ t->prev = n->prev;
+ t->prev->next = t;
+ n->prev = t;
+ }
+ cacheline = line;
+ cache = t;
+ lines++;
+ full_height_ += item_height(t);
+ redraw_line(t);
+}
+
+void Fl_Browser::insert(int line, const char* newtext, void* d) {
+ int l = strlen(newtext);
+ FL_BLINE* t = (FL_BLINE*)malloc(sizeof(FL_BLINE)+l);
+ t->length = (short)l;
+ t->flags = 0;
+ strcpy(t->txt, newtext);
+ t->data = d;
+ insert(line, t);
+}
+
+void Fl_Browser::move(int to, int from) {
+ if (from < 1 || from > lines) return;
+ insert(to, _remove(from));
+}
+
+void Fl_Browser::text(int line, const char* newtext) {
+ if (line < 1 || line > lines) return;
+ FL_BLINE* t = find_line(line);
+ int l = strlen(newtext);
+ if (l > t->length) {
+ FL_BLINE* n = (FL_BLINE*)malloc(sizeof(FL_BLINE)+l);
+ replacing(t, n);
+ cache = n;
+ n->data = t->data;
+ n->length = (short)l;
+ n->flags = t->flags;
+ n->prev = t->prev;
+ if (n->prev) n->prev->next = n; else first = n;
+ n->next = t->next;
+ if (n->next) n->next->prev = n; else last = n;
+ free(t);
+ t = n;
+ }
+ strcpy(t->txt, newtext);
+ redraw_line(t);
+}
+
+void Fl_Browser::data(int line, void* d) {
+ if (line < 1 || line > lines) return;
+ find_line(line)->data = d;
+}
+
+int Fl_Browser::item_height(void* lv) const {
+ FL_BLINE* l = (FL_BLINE*)lv;
+ if (l->flags & NOTDISPLAYED) return 0;
+
+ int hmax = 2; // use 2 to insure we don't return a zero!
+
+ if (!l->txt[0]) {
+ // For blank lines set the height to exactly 1 line!
+ fl_font(textfont(), textsize());
+ int hh = fl_height();
+ if (hh > hmax) hmax = hh;
+ }
+ else {
+ const int* i = column_widths();
+ // do each column separately as they may all set different fonts:
+ for (char* str = l->txt; str && *str; str++) {
+ Fl_Font font = textfont(); // default font
+ int tsize = textsize(); // default size
+ while (*str==format_char()) {
+ str++;
+ switch (*str++) {
+ case 'l': case 'L': tsize = 24; break;
+ case 'm': case 'M': tsize = 18; break;
+ case 's': tsize = 11; break;
+ case 'b': font = (Fl_Font)(font|FL_BOLD); break;
+ case 'i': font = (Fl_Font)(font|FL_ITALIC); break;
+ case 'f': case 't': font = FL_COURIER; break;
+ case 'B':
+ case 'C': strtol(str, &str, 10); break;// skip a color number
+ case 'F': font = (Fl_Font)strtol(str,&str,10); break;
+ case 'S': tsize = strtol(str,&str,10); break;
+ case 0: case '@': str--;
+ case '.': goto END_FORMAT;
+ }
+ }
+ END_FORMAT:
+ char* ptr = str;
+ if (ptr && *i++) str = strchr(str, column_char());
+ else str = NULL;
+ if((!str && *ptr) || (str && ptr < str)) {
+ fl_font(font, tsize); int hh = fl_height();
+ if (hh > hmax) hmax = hh;
+ }
+ if (!str || !*str) break;
+ }
+ }
+
+ return hmax; // previous version returned hmax+2!
+}
+
+int Fl_Browser::item_width(void* v) const {
+ char* str = ((FL_BLINE*)v)->txt;
+ const int* i = column_widths();
+ int ww = 0;
+
+ while (*i) { // add up all tab-seperated fields
+ char* e;
+ e = strchr(str, column_char());
+ if (!e) break; // last one occupied by text
+ str = e+1;
+ ww += *i++;
+ }
+
+ // OK, we gotta parse the string and find the string width...
+ int tsize = textsize();
+ Fl_Font font = textfont();
+ int done = 0;
+
+ while (*str == format_char_ && str[1] && str[1] != format_char_) {
+ str ++;
+ switch (*str++) {
+ case 'l': case 'L': tsize = 24; break;
+ case 'm': case 'M': tsize = 18; break;
+ case 's': tsize = 11; break;
+ case 'b': font = (Fl_Font)(font|FL_BOLD); break;
+ case 'i': font = (Fl_Font)(font|FL_ITALIC); break;
+ case 'f': case 't': font = FL_COURIER; break;
+ case 'B':
+ case 'C': strtol(str, &str, 10); break;// skip a color number
+ case 'F': font = (Fl_Font)strtol(str, &str, 10); break;
+ case 'S': tsize = strtol(str, &str, 10); break;
+ case '.':
+ done = 1;
+ break;
+ case '@':
+ str--;
+ done = 1;
+ }
+
+ if (done)
+ break;
+ }
+
+ if (*str == format_char_ && str[1])
+ str ++;
+
+ fl_font(font, tsize);
+ return ww + int(fl_width(str)) + 6;
+}
+
+int Fl_Browser::full_height() const {
+ return full_height_;
+}
+
+int Fl_Browser::incr_height() const {
+ return textsize()+2;
+}
+
+void Fl_Browser::item_draw(void* v, int X, int Y, int W, int H) const {
+ char* str = ((FL_BLINE*)v)->txt;
+ const int* i = column_widths();
+
+ while (W > 6) { // do each tab-seperated field
+ int w1 = W; // width for this field
+ char* e = 0; // pointer to end of field or null if none
+ if (*i) { // find end of field and temporarily replace with 0
+ e = strchr(str, column_char());
+ if (e) {*e = 0; w1 = *i++;}
+ }
+ int tsize = textsize();
+ Fl_Font font = textfont();
+ Fl_Color lcol = textcolor();
+ Fl_Align talign = FL_ALIGN_LEFT;
+ // check for all the @-lines recognized by XForms:
+ while (*str == format_char() && *++str && *str != format_char()) {
+ switch (*str++) {
+ case 'l': case 'L': tsize = 24; break;
+ case 'm': case 'M': tsize = 18; break;
+ case 's': tsize = 11; break;
+ case 'b': font = (Fl_Font)(font|FL_BOLD); break;
+ case 'i': font = (Fl_Font)(font|FL_ITALIC); break;
+ case 'f': case 't': font = FL_COURIER; break;
+ case 'c': talign = FL_ALIGN_CENTER; break;
+ case 'r': talign = FL_ALIGN_RIGHT; break;
+ case 'B':
+ if (!(((FL_BLINE*)v)->flags & SELECTED)) {
+ fl_color((Fl_Color)strtol(str, &str, 10));
+ fl_rectf(X, Y, w1, H);
+ } else strtol(str, &str, 10);
+ break;
+ case 'C':
+ lcol = (Fl_Color)strtol(str, &str, 10);
+ break;
+ case 'F':
+ font = (Fl_Font)strtol(str, &str, 10);
+ break;
+ case 'N':
+ lcol = FL_INACTIVE_COLOR;
+ break;
+ case 'S':
+ tsize = strtol(str, &str, 10);
+ break;
+ case '-':
+ fl_color(FL_DARK3);
+ fl_line(X+3, Y+H/2, X+w1-3, Y+H/2);
+ fl_color(FL_LIGHT3);
+ fl_line(X+3, Y+H/2+1, X+w1-3, Y+H/2+1);
+ break;
+ case 'u':
+ case '_':
+ fl_color(lcol);
+ fl_line(X+3, Y+H-1, X+w1-3, Y+H-1);
+ break;
+ case '.':
+ goto BREAK;
+ case '@':
+ str--; goto BREAK;
+ }
+ }
+ BREAK:
+ fl_font(font, tsize);
+ if (((FL_BLINE*)v)->flags & SELECTED)
+ lcol = fl_contrast(lcol, selection_color());
+ if (!active_r()) lcol = fl_inactive(lcol);
+ fl_color(lcol);
+ fl_draw(str, X+3, Y, w1-6, H, e ? Fl_Align(talign|FL_ALIGN_CLIP) : talign, 0, 0);
+ if (!e) break; // no more fields...
+ *e = column_char(); // put the seperator back
+ X += w1;
+ W -= w1;
+ str = e+1;
+ }
+}
+
+static const int no_columns[1] = {0};
+
+Fl_Browser::Fl_Browser(int X, int Y, int W, int H, const char*l)
+ : Fl_Browser_(X, Y, W, H, l) {
+ column_widths_ = no_columns;
+ lines = 0;
+ full_height_ = 0;
+ cacheline = 0;
+ format_char_ = '@';
+ column_char_ = '\t';
+ first = last = cache = 0;
+}
+
+void Fl_Browser::lineposition(int line, Fl_Line_Position pos) {
+ if (line<1) line = 1;
+ if (line>lines) line = lines;
+ int p = 0;
+
+ FL_BLINE* l;
+ for (l=first; l && line>1; l = l->next) {
+ line--; p += item_height(l);
+ }
+ if (l && (pos == BOTTOM)) p += item_height (l);
+
+ int final = p, X, Y, W, H;
+ bbox(X, Y, W, H);
+
+ switch(pos) {
+ case TOP: break;
+ case BOTTOM: final -= H; break;
+ case MIDDLE: final -= H/2; break;
+ }
+
+ if (final > (full_height() - H)) final = full_height() -H;
+ position(final);
+}
+
+int Fl_Browser::topline() const {
+ return lineno(top());
+}
+
+void Fl_Browser::clear() {
+ for (FL_BLINE* l = first; l;) {
+ FL_BLINE* n = l->next;
+ free(l);
+ l = n;
+ }
+ full_height_ = 0;
+ first = 0;
+ lines = 0;
+ new_list();
+}
+
+void Fl_Browser::add(const char* newtext, void* d) {
+ insert(lines+1, newtext, d);
+ //Fl_Browser_::display(last);
+}
+
+const char* Fl_Browser::text(int line) const {
+ if (line < 1 || line > lines) return 0;
+ return find_line(line)->txt;
+}
+
+void* Fl_Browser::data(int line) const {
+ if (line < 1 || line > lines) return 0;
+ return find_line(line)->data;
+}
+
+int Fl_Browser::select(int line, int v) {
+ if (line < 1 || line > lines) return 0;
+ return Fl_Browser_::select(find_line(line), v);
+}
+
+int Fl_Browser::selected(int line) const {
+ if (line < 1 || line > lines) return 0;
+ return find_line(line)->flags & SELECTED;
+}
+
+void Fl_Browser::show(int line) {
+ FL_BLINE* t = find_line(line);
+ if (t->flags & NOTDISPLAYED) {
+ t->flags &= ~NOTDISPLAYED;
+ full_height_ += item_height(t);
+ if (Fl_Browser_::displayed(t)) redraw();
+ }
+}
+
+void Fl_Browser::hide(int line) {
+ FL_BLINE* t = find_line(line);
+ if (!(t->flags & NOTDISPLAYED)) {
+ full_height_ -= item_height(t);
+ t->flags |= NOTDISPLAYED;
+ if (Fl_Browser_::displayed(t)) redraw();
+ }
+}
+
+void Fl_Browser::display(int line, int v) {
+ if (line < 1 || line > lines) return;
+ if (v) show(line); else hide(line);
+}
+
+int Fl_Browser::visible(int line) const {
+ if (line < 1 || line > lines) return 0;
+ return !(find_line(line)->flags&NOTDISPLAYED);
+}
+
+int Fl_Browser::value() const {
+ return lineno(selection());
+}
+
+// SWAP TWO LINES
+void Fl_Browser::swap(FL_BLINE *a, FL_BLINE *b) {
+
+ if ( a == b || !a || !b) return; // nothing to do
+ swapping(a, b);
+ FL_BLINE *aprev = a->prev;
+ FL_BLINE *anext = a->next;
+ FL_BLINE *bprev = b->prev;
+ FL_BLINE *bnext = b->next;
+ if ( b->prev == a ) { // A ADJACENT TO B
+ if ( aprev ) aprev->next = b; else first = b;
+ b->next = a;
+ a->next = bnext;
+ b->prev = aprev;
+ a->prev = b;
+ if ( bnext ) bnext->prev = a; else last = a;
+ } else if ( a->prev == b ) { // B ADJACENT TO A
+ if ( bprev ) bprev->next = a; else first = a;
+ a->next = b;
+ b->next = anext;
+ a->prev = bprev;
+ b->prev = a;
+ if ( anext ) anext->prev = b; else last = b;
+ } else { // A AND B NOT ADJACENT
+ // handle prev's
+ b->prev = aprev;
+ if ( anext ) anext->prev = b; else last = b;
+ a->prev = bprev;
+ if ( bnext ) bnext->prev = a; else last = a;
+ // handle next's
+ if ( aprev ) aprev->next = b; else first = b;
+ b->next = anext;
+ if ( bprev ) bprev->next = a; else first = a;
+ a->next = bnext;
+ }
+ // Disable cache -- we played around with positions
+ cacheline = 0;
+ cache = 0;
+}
+
+void Fl_Browser::swap(int ai, int bi) {
+ if (ai < 1 || ai > lines || bi < 1 || bi > lines) return;
+ FL_BLINE* a = find_line(ai);
+ FL_BLINE* b = find_line(bi);
+ swap(a,b);
+}
+
+//
+// End of "$Id: Fl_Browser.cxx 5987 2007-11-20 21:57:17Z mike $".
+//
|
