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selection with mouse in example pokedit
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@NotFound
NotFound committed Dec 13, 2011
1 parent 50c6995 commit d230497
Showing 1 changed file with 137 additions and 17 deletions.
154 changes: 137 additions & 17 deletions examples/pokedit.winxed
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Expand Up @@ -72,6 +72,17 @@ class SelectedText
{
return self.startline, self.startpos, self.endline, self.endpos;
}
function getordered()
{
int stline = self.startline;
int endline = self.endline;
int stpos = self.startpos;
int endpos = self.endpos;
if (stline < endline || (stline == endline && stpos <= endpos))
return stline, stpos, endline, endpos;
else
return endline, endpos, stline, stpos;
}
function isempty()
{
return self.startline == self.endline && self.startpos == self.endpos;
Expand All @@ -85,6 +96,11 @@ class SelectedText
checked = 2;
self.checked =: checked;
}
function moveend(int line, int pos)
{
self.endline =: line;
self.endpos =: pos;
}
function move(int line, int pos)
{
:(int stline, int stpos, int endline, int endpos) = self.get();
Expand All @@ -110,7 +126,7 @@ class SelectedText
default:
cry("WARNING: something wrong with selected text");
}
if (stline > endline || (stline == endline && stpos > endpos)) {
if (checked != 0 && (stline > endline || (stline == endline && stpos > endpos))) {
self.startline =: endline;
self.endline =: stline;
self.startpos =: endpos;
Expand Down Expand Up @@ -145,6 +161,7 @@ class TextWindow : ChildWindow
var has_focus;
var selected;
var copybuffer;
var pressed;

function TextWindow(parent, int x, int y, int width, int height, font)
{
Expand All @@ -164,6 +181,7 @@ class TextWindow : ChildWindow
self.curline = 0;
self.curpos = 0;
self.has_focus = false;
self.pressed = false;
self.ChildWindow(parent, x, y, width, height);
self.SetFont(font);
self.fgcolor = self.display.ParseColor("black");
Expand All @@ -178,6 +196,8 @@ class TextWindow : ChildWindow
self.OnFocusOut += eventhandler(self, "onfocusout");
self.OnKeyPress += eventhandler(self, "onkeypress");
self.OnButtonPress += eventhandler(self, "onbuttonpress");
self.OnButtonRelease += eventhandler(self, "onbuttonrelease");
self.OnMotion += eventhandler(self, "onmotion");
self.OnSelectionClear += eventhandler(self, "onselectionclear");
self.OnSelectionRequest += eventhandler(self, "onselectionrequest");
self.OnSelectionNotify += eventhandler(self, "onselectionnotify");
Expand Down Expand Up @@ -276,22 +296,20 @@ class TextWindow : ChildWindow
self.moveselected();
break;
case "Up":
if (curline > 0) {
if (! shifted)
self.cancelselected();
if (! shifted)
self.cancelselected();
if (curline > 0)
self.moveup();
if (shifted)
self.moveselected();
}
if (shifted)
self.moveselected();
break;
case "Down":
if (curline < elements(text)) {
if (! shifted)
self.cancelselected();
if (! shifted)
self.cancelselected();
if (curline < elements(text))
self.movedown();
if (shifted)
self.moveselected();
}
if (shifted)
self.moveselected();
break;
case "Home":
if (! shifted)
Expand Down Expand Up @@ -464,6 +482,24 @@ class TextWindow : ChildWindow
function onbuttonpress(event)
{
switch (event.button()) {
case 1:
self.cursor();
int x = event.x();
int y = event.y();
var text = self.text;
int l = self.getline(y);
int pos;
if (l < elements(text))
pos = self.getpos(x, l);
else
pos = 0;
self.cancelselected();
self.selected = new SelectedText(l, pos);
self.pressed =: 1;
self.curpos =: pos;
self.curline =: l;
self.cursor();
break;
case 2:
// Paste primary selection - unfinished
var display = self.display;
Expand All @@ -473,6 +509,87 @@ class TextWindow : ChildWindow
break;
}
}
function onbuttonrelease(event)
{
self.pressed =: 0;
}
function onmotion(event)
{
if (self.pressed == 1)
{
self.cursor();
int x = event.x();
int y = event.y();
var text = self.text;
int l = self.getline(y);
int pos;
if (l < elements(text))
pos = self.getpos(x, l);
else
pos = 0;
self.invertselection();
self.selected.moveend(l, pos);
int headline = self.headline;
int lineheight = self.lineheight;
int maxlines = self.maxlines;
if (l >= headline + maxlines) {
int desp = l - headline - maxlines + 1;
int ny = y - desp * lineheight;
self.display.WarpPointer(self.xdrawable, x, ny);
self.headline = headline + desp;
self.drawall();
}
else if (l < headline) {
int desp = headline - l;
int ny = y + desp * lineheight;
self.display.WarpPointer(self.xdrawable, x, ny);
self.headline = headline - desp;
self.drawall();
}
self.curpos =: pos;
self.curline =: l;
self.invertselection();
self.cursor();
self.SetSelectionOwner(XA_PRIMARY, event.time());
}
}
function getline(int y)
{
// Get the text line at the y coordninate
var text = self.text;
int nlines = elements(text);
int headline = self.headline;
int lineheight = self.lineheight;
int l = (y - MARGINSUP) / lineheight + headline;
if (l < 0)
l = 0;
if (l > nlines)
l = nlines;
return l;
}
function getpos(int x, int nline)
{
// Get the chcaracet position at the x coordinate
x -= MARGINLEFT;
if (x < 0)
return 0;
var text = self.text;
string line = text[nline];
int rp = length(line);
if (rp == 0)
return 0;
if (x > self.getTextxOff(line))
return rp;
int lp = 0;
int mp;
while ((mp = (lp + rp) / 2) != lp) {
if (x < self.getTextxOff(substr(line, 0, mp)))
rp = mp;
else
lp = mp;
}
return x < ((self.getTextxOff(substr(line, 0, mp)) + self.getTextxOff(substr(line, 0, mp + 1))) / 2) ? mp : mp + 1;
}
function onselectionclear(event)
{
int selection = event.selection();
Expand Down Expand Up @@ -598,7 +715,8 @@ class TextWindow : ChildWindow
var selected = self.selected;
if (selected == null || selected.isempty())
return "";
:(int stline, int stpos, int endline, int endpos) = selected.get();
:(int stline, int stpos, int endline, int endpos) =
selected.getordered();
var text = self.text;
string firstline = text[stline];
string result;
Expand All @@ -625,7 +743,8 @@ class TextWindow : ChildWindow
var selected = self.selected;
if (selected == null || selected.isempty())
return;
:(int stline, int stpos, int endline, int endpos) = selected.get();
:(int stline, int stpos, int endline, int endpos) =
selected.getordered();
var text = self.text;
string firstline = text[stline];
string lastline = text[endline];
Expand Down Expand Up @@ -660,7 +779,8 @@ class TextWindow : ChildWindow
var selected = self.selected;
if (selected == null || selected.isempty())
return;
:(int stline, int stpos, int endline, int endpos) = selected.get();
:(int stline, int stpos, int endline, int endpos) =
selected.getordered();
var text = self.text;
int headline = self.headline;
int lineheight = self.lineheight;
Expand All @@ -677,7 +797,7 @@ class TextWindow : ChildWindow
int x0 = pos0 == 0 ? 0 : self.getTextxOff(substr(line, 0, pos0));
int x1 = pos1 == 0 ? 0 : self.getTextxOff(substr(line, 0, pos1));

self.FillRectangle(x0, ypos, x1 - x0, lineheight);
self.FillRectangle(x0 + MARGINLEFT, ypos, x1 - x0, lineheight);
}
self.SetFunction(GXcopy);
}
Expand Down

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