/*
Copyright (C) 2005 Paul Davis
-
+
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
#include <gtkmm.h>
-#include <gtkmm2ext/pixscroller.h>
+#include "gtkmm2ext/pixscroller.h"
+#include "gtkmm2ext/keyboard.h"
using namespace std;
using namespace Gtk;
using namespace Gtkmm2ext;
-PixScroller::PixScroller (Adjustment& a,
+PixScroller::PixScroller (Adjustment& a,
Glib::RefPtr<Gdk::Pixbuf> s,
Glib::RefPtr<Gdk::Pixbuf> r)
: adj (a),
rail (r),
slider (s)
{
+ Cairo::Format format;
+
dragging = false;
add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::POINTER_MOTION_MASK|Gdk::SCROLL_MASK);
sliderrect.set_y((int) rint ((overall_height - sliderrect.get_height()) * (adj.get_upper() - adj.get_value())));
railrect.set_x((sliderrect.get_width() / 2) - 2);
+
+ if (rail->get_has_alpha()) {
+ format = Cairo::FORMAT_ARGB32;
+ } else {
+ format = Cairo::FORMAT_RGB24;
+ }
+ rail_surface = Cairo::ImageSurface::create (format, rail->get_width(), rail->get_height());
+ rail_context = Cairo::Context::create (rail_surface);
+ Gdk::Cairo::set_source_pixbuf (rail_context, rail, 0.0, 0.0);
+ rail_context->paint();
+
+ if (slider->get_has_alpha()) {
+ format = Cairo::FORMAT_ARGB32;
+ } else {
+ format = Cairo::FORMAT_RGB24;
+ }
+ slider_surface = Cairo::ImageSurface::create (format, slider->get_width(), slider->get_height());
+ slider_context = Cairo::Context::create (slider_surface);
+ Gdk::Cairo::set_source_pixbuf (slider_context, slider, 0.0, 0.0);
+ slider_context->paint();
}
void
{
GdkRectangle intersect;
Glib::RefPtr<Gdk::Window> win (get_window());
-
- win->draw_rectangle (get_style()->get_bg_gc(get_state()), TRUE,
- ev->area.x,
- ev->area.y,
- ev->area.width,
- ev->area.height);
+ Cairo::RefPtr<Cairo::Context> context = get_window()->create_cairo_context();
if (gdk_rectangle_intersect (railrect.gobj(), &ev->area, &intersect)) {
- Glib::RefPtr<Gdk::GC> gc(get_style()->get_bg_gc(get_state()));
- win->draw_pixbuf (gc, rail,
- intersect.x - railrect.get_x(),
- intersect.y - railrect.get_y(),
- intersect.x,
- intersect.y,
- intersect.width,
- intersect.height,
- Gdk::RGB_DITHER_NONE, 0, 0);
+
+ context->save();
+ context->rectangle (intersect.x, intersect.y, intersect.width, intersect.height);
+ context->clip();
+ context->set_source (rail_surface, intersect.x - railrect.get_x(), intersect.y - railrect.get_y());
+ context->rectangle (intersect.x, intersect.y, intersect.width, intersect.height);
+ context->clip();
+ context->paint();
+ context->restore();
}
-
+
if (gdk_rectangle_intersect (sliderrect.gobj(), &ev->area, &intersect)) {
- Glib::RefPtr<Gdk::GC> gc(get_style()->get_fg_gc(get_state()));
- // Glib::RefPtr<Gdk::Bitmap> mask (slider_mask);
-
- GdkGCValues values;
- gdk_gc_get_values(gc->gobj(), &values);
- gc->set_clip_origin (sliderrect.get_x(), sliderrect.get_y());
- // gc->set_clip_mask (mask);
- win->draw_pixbuf (gc, slider,
- intersect.x - sliderrect.get_x(),
- intersect.y - sliderrect.get_y(),
- intersect.x,
- intersect.y,
- intersect.width,
- intersect.height,
- Gdk::RGB_DITHER_NONE, 0, 0);
- gc->set_clip_origin (values.clip_x_origin, values.clip_y_origin);
- // gdk_gc_set_clip_mask (gc->gobj(), values.clip_mask);
- }
+ context->save();
+ context->rectangle (intersect.x, intersect.y, intersect.width, intersect.height);
+ context->clip();
+ context->set_source (rail_surface, intersect.x - sliderrect.get_x(), intersect.y - sliderrect.get_y());
+ context->rectangle (intersect.x, intersect.y, intersect.width, intersect.height);
+ context->clip();
+ context->paint();
+ context->restore();
+ }
return true;
}
{
switch (ev->button) {
case 1:
- if (!(ev->state & Gdk::SHIFT_MASK)) {
+ if (!(ev->state & Keyboard::TertiaryModifier)) {
add_modal_grab();
grab_y = ev->y;
grab_start = ev->y;
break;
default:
break;
- }
-
+ }
+
return false;
}
PixScroller::on_button_release_event (GdkEventButton* ev)
{
double scale;
-
- if (ev->state & GDK_CONTROL_MASK) {
- if (ev->state & GDK_MOD1_MASK) {
+
+ if (ev->state & Keyboard::PrimaryModifier) {
+ if (ev->state & Keyboard::SecondaryModifier) {
scale = 0.05;
} else {
scale = 0.1;
adj.set_value (scale * fract * (adj.get_upper() - adj.get_lower()));
}
} else {
- if (ev->state & Gdk::SHIFT_MASK) {
+ if (ev->state & Keyboard::TertiaryModifier) {
adj.set_value (default_value);
cerr << "default value = " << default_value << endl;
}
}
break;
- case 4:
+ default:
+ break;
+ }
+ return false;
+}
+
+bool
+PixScroller::on_scroll_event (GdkEventScroll* ev)
+{
+ double scale;
+
+ if (ev->state & Keyboard::PrimaryModifier) {
+ if (ev->state & Keyboard::SecondaryModifier) {
+ scale = 0.05;
+ } else {
+ scale = 0.1;
+ }
+ } else {
+ scale = 0.5;
+ }
+
+ switch (ev->direction) {
+
+ case GDK_SCROLL_UP:
/* wheel up */
adj.set_value (adj.get_value() + (adj.get_page_increment() * scale));
break;
- case 5:
+ case GDK_SCROLL_DOWN:
/* wheel down */
adj.set_value (adj.get_value() - (adj.get_page_increment() * scale));
break;
grab_window = ev->window;
return true;
}
-
- if (ev->state & GDK_CONTROL_MASK) {
- if (ev->state & GDK_MOD1_MASK) {
+
+ if (ev->state & Keyboard::PrimaryModifier) {
+ if (ev->state & Keyboard::SecondaryModifier) {
scale = 0.05;
} else {
scale = 0.1;
fract = min (1.0, fract);
fract = max (-1.0, fract);
-
+
fract = -fract;
adj.set_value (adj.get_value() + scale * fract * (adj.get_upper() - adj.get_lower()));