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Added three methods and dox to Fl_Tooltip:

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margin_width()	-- controls margins around tooltip's text
	margin_height()	-- controls margins above and below tooltip's text
	wrap_width()	-- controls maximum width of text before wordwrapping is enforced

These are read-only for the current release, 
and read/write as an ABI feature.



git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@9510 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Greg Ercolano
2012-05-16 23:19:37 +00:00
parent f9d8abbf7b
commit 34716f86a0
3 changed files with 42 additions and 6 deletions
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FL/Fl_Tooltip.H
+28
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@@ -28,6 +28,10 @@
/**
The Fl_Tooltip class provides tooltip support for
all FLTK widgets. It contains only static methods.
\image html tooltip-options.png "Fl_Tooltip Options"
\image latex src/tooltip-options.png "Fl_Tooltip Options" width=6cm
*/
class FL_EXPORT Fl_Tooltip {
public:
@@ -74,6 +78,25 @@ public:
static Fl_Color textcolor() { return textcolor_; }
/** Sets the color of the text in the tooltip. The default is black. */
static void textcolor(Fl_Color c) { textcolor_ = c; }
#if FLTK_ABI_VERSION >= 10302
/** Gets the amount of extra space left/right of the tooltip's text. Default is 3. */
static int margin_width() { return margin_width_; }
/** Sets the amount of extra space left/right of the tooltip's text. Default is 3. */
static void margin_width(int v) { margin_width_ = v; }
/** Gets the amount of extra space above and below the tooltip's text. Default is 3. */
static int margin_height() { return margin_height_; }
/** Sets the amount of extra space above and below the tooltip's text. Default is 3. */
static void margin_height(int v) { margin_height_ = v; }
/** Gets the maximum width for tooltip's text before it word wraps. Default is 400. */
static int wrap_width() { return wrap_width_; }
/** Sets the maximum width for tooltip's text before it word wraps. Default is 400. */
static void wrap_width(int v) { wrap_width_ = v; }
#else
static int margin_width() { return 3; }
static int margin_height() { return 3; }
static int wrap_width() { return 400; }
#endif
#ifdef __APPLE__
// the unique tooltip window
static Fl_Window* current_window(void);
@@ -96,6 +119,11 @@ private:
static Fl_Font font_;
static Fl_Fontsize size_;
static Fl_Widget* widget_; //!< Keeps track of the current target widget
#if FLTK_ABI_VERSION >= 10302
static int margin_width_; //!< distance around tooltip text left+right
static int margin_height_; //!< distance around tooltip text top+bottom
static int wrap_width_; //!< maximum width of tooltip text before it word wraps
#endif
};
#endif
documentation/src/tooltip-options.png
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src/Fl_Tooltip.cxx
+14 -6
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@@ -31,8 +31,11 @@ Fl_Color Fl_Tooltip::color_ = fl_color_cube(FL_NUM_RED - 1,
Fl_Color Fl_Tooltip::textcolor_ = FL_BLACK;
Fl_Font Fl_Tooltip::font_ = FL_HELVETICA;
Fl_Fontsize Fl_Tooltip::size_ = -1;
#define MAX_WIDTH 400
#if FLTK_ABI_VERSION >= 10302
int Fl_Tooltip::margin_width_ = 3;
int Fl_Tooltip::margin_height_ = 3;
int Fl_Tooltip::wrap_width_ = 400;
#endif
static const char* tip;
/**
@@ -70,10 +73,11 @@ Fl_Window *Fl_Tooltip::current_window(void)
void Fl_TooltipBox::layout() {
fl_font(Fl_Tooltip::font(), Fl_Tooltip::size());
int ww, hh;
ww = MAX_WIDTH;
int ww = Fl_Tooltip::wrap_width();
int hh;
fl_measure(tip, ww, hh, FL_ALIGN_LEFT|FL_ALIGN_WRAP|FL_ALIGN_INSIDE);
ww += 6; hh += 6;
ww += (Fl_Tooltip::margin_width() * 2);
hh += (Fl_Tooltip::margin_height() * 2);
// find position on the screen of the widget:
int ox = Fl::event_x_root();
@@ -100,7 +104,11 @@ void Fl_TooltipBox::draw() {
draw_box(FL_BORDER_BOX, 0, 0, w(), h(), Fl_Tooltip::color());
fl_color(Fl_Tooltip::textcolor());
fl_font(Fl_Tooltip::font(), Fl_Tooltip::size());
fl_draw(tip, 3, 3, w()-6, h()-6, Fl_Align(FL_ALIGN_LEFT|FL_ALIGN_WRAP));
int X = Fl_Tooltip::margin_width();
int Y = Fl_Tooltip::margin_height();
int W = w() - (Fl_Tooltip::margin_width()*2);
int H = h() - (Fl_Tooltip::margin_height()*2);
fl_draw(tip, X, Y, W, H, Fl_Align(FL_ALIGN_LEFT|FL_ALIGN_WRAP));
}
static char recent_tooltip;