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Fix resizing problem in EDE_Browser, fix menu grabbing keyboard

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This commit is contained in:
Vedran Ljubovic 2007-07-17 19:14:09 +00:00
parent 6cf2769599
commit 96d873572a
2 changed files with 35 additions and 22 deletions
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53
efiler/EDE_Browser.cpp
View File

@ -210,6 +210,9 @@ static void scroll_cb(Fl_Widget* w, void*) {
EDE_Browser::EDE_Browser(int X,int Y,int W,int H,const char *L) : Fl_Icon_Browser(X,Y,W,H),
totalwidth_(0), column_header_(0), sort_column(0), sort_type(NO_SORT), sort_direction(false) {
fprintf (stderr, "ctor(%d,%d,%d,%d)\n",X,Y,W,H);
heading = new Heading(X,Y,W,buttonheight);
heading->end();
heading->hide();
@ -243,7 +246,7 @@ void EDE_Browser::hide_header() {
// Regenerate and display header
void EDE_Browser::show_header() {
int button_x=0;
char *h = column_header_;
char *hdr = column_header_;
const int* l = Fl_Icon_Browser::column_widths();
heading->clear();
for (int i=0; i==0||l[i-1]; i++) {
@ -255,10 +258,10 @@ void EDE_Browser::show_header() {
char *delim = 0;
Fl_Button *b;
if (h) {
delim = strchr(h, Fl_Icon_Browser::column_char());
if (hdr) {
delim = strchr(hdr, Fl_Icon_Browser::column_char());
if (delim) *delim='\0'; // temporarily
b=new Fl_Button(button_x,heading->y(),button_w,buttonheight,strdup(h));
b=new Fl_Button(button_x,heading->y(),button_w,buttonheight,strdup(hdr));
} else {
b=new Fl_Button(button_x,heading->y(),button_w,buttonheight,"");
}
@ -272,10 +275,11 @@ void EDE_Browser::show_header() {
if (delim) {
*delim=Fl_Icon_Browser::column_char(); // put back delimiter
h=delim+1; // next field
hdr=delim+1; // next field
}
}
if (!heading->visible()) resize(x(),y()+buttonheight,w(),this->h()-buttonheight);
fprintf (stderr, "showheader calls resize(%d,%d,%d,%d)\n",x(),y(),w(),h());
if (!heading->visible()) resize(x(),y()+buttonheight,w(),h()-buttonheight);
heading->resizable(0); // We will resize the heading and individual buttons manually
heading->show();
heading->redraw(); //in case it was already visible
@ -322,30 +326,33 @@ const int* EDE_Browser::column_widths() const {
// Subclassed handle() for keyboard searching
int EDE_Browser::handle(int e) {
if (e==FL_KEYBOARD) {
if (e==FL_KEYBOARD && Fl::event_state()==0) {
// when user presses a key, jump to row starting with that character
int k=Fl::event_key();
if ((k>='a'&&k<='z') || (k>='A'&&k<='Z') || (k>='0'&&k<='9')) {
if (k>='A'&&k<='Z') k+=('a'-'A');
int ku = k - ('a'-'A'); //upper case
int p=lineno(selection());
for (int i=1; i<=size(); i++)
if (i!=p && (text(i)[0]==k || text(i)[0]==ku)) {
for (int i=1; i<=size(); i++) {
int mi = (i+p-1)%size() + 1; // search from currently selected one
if (text(mi)[0]==k || text(mi)[0]==ku) {
// select(line,0) just moves focus to line without selecting
// if line was already selected, it won't be anymore
select(i,selected(i));
middleline(i);
break;
select(mi,selected(mi));
middleline(mi);
//break;
return 1; // menu will get triggered on key press :(
}
}
}
// Attempt to fix erratic behavior on enter key
// Fl_Browser seems to do the following on enter key:
// - when item is both selected and focused, callback isn't called at all (even when FL_WHEN_ENTER...)
// - when item is both selected and focused, callback isn't called at all (even FL_WHEN_ENTER_KEY_ALWAYS)
// - when no item is selected, callback is called 2 times on focused item
// - when one item is selected and other is focused, callback is first called on selected then on
// focused item
// This partial fix at least ensures that callback is always called. Callback should behave properly
// when called many times.
// focused item, then the focused becomes selected
// This partial fix at least ensures that callback is always called. Callback function should
// deal with being called many times repeatedly.
if ((when() & FL_WHEN_ENTER_KEY_ALWAYS) && k == FL_Enter) {
// if (changed()!=0) {
//fprintf(stderr,"do_callback()\n");
@ -358,20 +365,22 @@ int EDE_Browser::handle(int e) {
// Overload resize for show/hide horizontal scrollbar
void EDE_Browser::resize(int X, int Y, int W, int H) {
int fsbs = Fl::scrollbar_size();
if (W >= totalwidth_) {
// hide scrollbar
if (hscrollbar->visible())
if (hscrollbar->visible())
hscrollbar->hide();
Fl_Icon_Browser::resize(X,Y,W,H);
H += fsbs;
} else {
// show scrollbar
int fsbs = Fl::scrollbar_size();
if (!hscrollbar->visible())
hscrollbar->show();
Fl_Icon_Browser::resize(X,Y,W, H-fsbs);
hscrollbar->resize(X, Y+H-fsbs, W-fsbs, fsbs);
hscrollbar->value(hscrollbar->value(), W, 0, totalwidth_);
if (!hscrollbar->visible()) {
hscrollbar->show();
H -= fsbs;
}
}
Fl_Icon_Browser::resize(X,Y,W,H);
}

4
efiler/EDE_Browser.h
View File

@ -176,6 +176,10 @@ public:
}
Fl_Icon_Browser::hposition(x);
}
// This is *really* needed :(
int get_focus() { return lineno(selection()); }
void set_focus(int row) { select(row,selected(row)); }
};
#endif