868 lines
24 KiB
C++
868 lines
24 KiB
C++
/*
|
|
Copyright (C) 1999 Paul Barton-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
|
|
(at your option) any later version.
|
|
|
|
This program 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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
|
|
$Id$
|
|
*/
|
|
|
|
#include <map>
|
|
|
|
#include <gtk/gtkpaned.h>
|
|
#include <gtk/gtk.h>
|
|
|
|
#include <gtkmm/widget.h>
|
|
#include <gtkmm/button.h>
|
|
#include <gtkmm/window.h>
|
|
#include <gtkmm/paned.h>
|
|
#include <gtkmm/label.h>
|
|
#include <gtkmm/comboboxtext.h>
|
|
#include <gtkmm/tooltip.h>
|
|
|
|
#include "gtkmm2ext/utils.h"
|
|
|
|
#include "i18n.h"
|
|
|
|
using namespace std;
|
|
|
|
void
|
|
Gtkmm2ext::init (const char* localedir)
|
|
{
|
|
#ifdef ENABLE_NLS
|
|
(void) bindtextdomain(PACKAGE, localedir);
|
|
(void) bind_textdomain_codeset (PACKAGE, "UTF-8");
|
|
#endif
|
|
}
|
|
|
|
void
|
|
Gtkmm2ext::get_ink_pixel_size (Glib::RefPtr<Pango::Layout> layout,
|
|
int& width,
|
|
int& height)
|
|
{
|
|
Pango::Rectangle ink_rect = layout->get_ink_extents ();
|
|
|
|
width = (ink_rect.get_width() + PANGO_SCALE / 2) / PANGO_SCALE;
|
|
height = (ink_rect.get_height() + PANGO_SCALE / 2) / PANGO_SCALE;
|
|
}
|
|
|
|
void
|
|
Gtkmm2ext::get_pixel_size (Glib::RefPtr<Pango::Layout> layout,
|
|
int& width,
|
|
int& height)
|
|
{
|
|
layout->get_pixel_size (width, height);
|
|
}
|
|
|
|
void
|
|
Gtkmm2ext::set_size_request_to_display_given_text (Gtk::Widget &w, const gchar *text,
|
|
gint hpadding, gint vpadding)
|
|
{
|
|
int width, height;
|
|
w.ensure_style ();
|
|
|
|
get_pixel_size (w.create_pango_layout (text), width, height);
|
|
w.set_size_request(width + hpadding, height + vpadding);
|
|
}
|
|
|
|
/** Set width request to display given text, and height to display anything.
|
|
This is useful for setting many widgets to the same height for consistency. */
|
|
void
|
|
Gtkmm2ext::set_size_request_to_display_given_text_width (Gtk::Widget& w,
|
|
const gchar* htext,
|
|
gint hpadding,
|
|
gint vpadding)
|
|
{
|
|
static const gchar* vtext = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
|
|
|
|
w.ensure_style ();
|
|
|
|
int hwidth, hheight;
|
|
get_pixel_size (w.create_pango_layout (htext), hwidth, hheight);
|
|
|
|
int vwidth, vheight;
|
|
get_pixel_size (w.create_pango_layout (vtext), vwidth, vheight);
|
|
|
|
w.set_size_request(hwidth + hpadding, vheight + vpadding);
|
|
}
|
|
|
|
void
|
|
Gtkmm2ext::set_height_request_to_display_any_text (Gtk::Widget& w, gint vpadding)
|
|
{
|
|
static const gchar* vtext = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
|
|
|
|
w.ensure_style ();
|
|
|
|
int width, height;
|
|
get_pixel_size (w.create_pango_layout (vtext), width, height);
|
|
|
|
w.set_size_request(-1, height + vpadding);
|
|
}
|
|
|
|
void
|
|
Gtkmm2ext::set_size_request_to_display_given_text (Gtk::Widget &w, std::string const & text,
|
|
gint hpadding, gint vpadding)
|
|
{
|
|
int width, height;
|
|
w.ensure_style ();
|
|
|
|
get_pixel_size (w.create_pango_layout (text), width, height);
|
|
w.set_size_request(width + hpadding, height + vpadding);
|
|
}
|
|
|
|
void
|
|
Gtkmm2ext::set_size_request_to_display_given_text (Gtk::Widget &w,
|
|
const std::vector<std::string>& strings,
|
|
gint hpadding, gint vpadding)
|
|
{
|
|
int width, height;
|
|
int width_max = 0;
|
|
int height_max = 0;
|
|
w.ensure_style ();
|
|
vector<string> copy;
|
|
const vector<string>* to_use;
|
|
vector<string>::const_iterator i;
|
|
|
|
for (i = strings.begin(); i != strings.end(); ++i) {
|
|
if ((*i).find_first_of ("gy") != string::npos) {
|
|
/* contains a descender */
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (i == strings.end()) {
|
|
/* make a copy of the strings then add one that has a descender */
|
|
copy = strings;
|
|
copy.push_back ("g");
|
|
to_use = ©
|
|
} else {
|
|
to_use = &strings;
|
|
}
|
|
|
|
for (vector<string>::const_iterator i = to_use->begin(); i != to_use->end(); ++i) {
|
|
get_pixel_size (w.create_pango_layout (*i), width, height);
|
|
width_max = max(width_max,width);
|
|
height_max = max(height_max, height);
|
|
}
|
|
|
|
w.set_size_request(width_max + hpadding, height_max + vpadding);
|
|
}
|
|
|
|
/** This version specifies horizontal padding in text to avoid assumptions
|
|
about font size. Should be used anywhere padding is used to avoid text,
|
|
like combo boxes. */
|
|
void
|
|
Gtkmm2ext::set_size_request_to_display_given_text (Gtk::Widget& w,
|
|
const std::vector<std::string>& strings,
|
|
const std::string& hpadding,
|
|
gint vpadding)
|
|
{
|
|
int width_max = 0;
|
|
int height_max = 0;
|
|
w.ensure_style ();
|
|
|
|
for (vector<string>::const_iterator i = strings.begin(); i != strings.end(); ++i) {
|
|
int width, height;
|
|
get_pixel_size (w.create_pango_layout (*i), width, height);
|
|
width_max = max(width_max,width);
|
|
height_max = max(height_max, height);
|
|
}
|
|
|
|
int pad_width;
|
|
int pad_height;
|
|
get_pixel_size (w.create_pango_layout (hpadding), pad_width, pad_height);
|
|
|
|
w.set_size_request(width_max + pad_width, height_max + vpadding);
|
|
}
|
|
|
|
static inline guint8
|
|
demultiply_alpha (guint8 src,
|
|
guint8 alpha)
|
|
{
|
|
/* cairo pixel buffer data contains RGB values with the alpha
|
|
values premultiplied.
|
|
|
|
GdkPixbuf pixel buffer data contains RGB values without the
|
|
alpha value applied.
|
|
|
|
this removes the alpha component from the cairo version and
|
|
returns the GdkPixbuf version.
|
|
*/
|
|
return alpha ? ((guint (src) << 8) - src) / alpha : 0;
|
|
}
|
|
|
|
void
|
|
Gtkmm2ext::convert_bgra_to_rgba (guint8 const* src,
|
|
guint8* dst,
|
|
int width,
|
|
int height)
|
|
{
|
|
guint8 const* src_pixel = src;
|
|
guint8* dst_pixel = dst;
|
|
|
|
/* cairo pixel data is endian-dependent ARGB with A in the most significant 8 bits,
|
|
with premultipled alpha values (see preceding function)
|
|
|
|
GdkPixbuf pixel data is non-endian-dependent RGBA with R in the lowest addressable
|
|
8 bits, and non-premultiplied alpha values.
|
|
|
|
convert from the cairo values to the GdkPixbuf ones.
|
|
*/
|
|
|
|
for (int y = 0; y < height; y++) {
|
|
for (int x = 0; x < width; x++) {
|
|
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
|
|
/* Cairo [ B G R A ] is actually [ B G R A ] in memory SOURCE
|
|
0 1 2 3
|
|
Pixbuf [ R G B A ] is actually [ R G B A ] in memory DEST
|
|
*/
|
|
dst_pixel[0] = demultiply_alpha (src_pixel[2],
|
|
src_pixel[3]); // R [0] <= [ 2 ]
|
|
dst_pixel[1] = demultiply_alpha (src_pixel[1],
|
|
src_pixel[3]); // G [1] <= [ 1 ]
|
|
dst_pixel[2] = demultiply_alpha (src_pixel[0],
|
|
src_pixel[3]); // B [2] <= [ 0 ]
|
|
dst_pixel[3] = src_pixel[3]; // alpha
|
|
|
|
#elif G_BYTE_ORDER == G_BIG_ENDIAN
|
|
/* Cairo [ B G R A ] is actually [ A R G B ] in memory SOURCE
|
|
0 1 2 3
|
|
Pixbuf [ R G B A ] is actually [ R G B A ] in memory DEST
|
|
*/
|
|
dst_pixel[0] = demultiply_alpha (src_pixel[1],
|
|
src_pixel[0]); // R [0] <= [ 1 ]
|
|
dst_pixel[1] = demultiply_alpha (src_pixel[2],
|
|
src_pixel[0]); // G [1] <= [ 2 ]
|
|
dst_pixel[2] = demultiply_alpha (src_pixel[3],
|
|
src_pixel[0]); // B [2] <= [ 3 ]
|
|
dst_pixel[3] = src_pixel[0]; // alpha
|
|
|
|
#else
|
|
#error ardour does not currently support PDP-endianess
|
|
#endif
|
|
|
|
dst_pixel += 4;
|
|
src_pixel += 4;
|
|
}
|
|
}
|
|
}
|
|
|
|
Glib::RefPtr<Gdk::Pixbuf>
|
|
Gtkmm2ext::pixbuf_from_string(const string& name, const Pango::FontDescription& font, int clip_width, int clip_height, Gdk::Color fg)
|
|
{
|
|
static Glib::RefPtr<Gdk::Pixbuf>* empty_pixbuf = 0;
|
|
|
|
if (name.empty()) {
|
|
if (empty_pixbuf == 0) {
|
|
empty_pixbuf = new Glib::RefPtr<Gdk::Pixbuf>;
|
|
*empty_pixbuf = Gdk::Pixbuf::create(Gdk::COLORSPACE_RGB, true, 8, clip_width, clip_height);
|
|
}
|
|
return *empty_pixbuf;
|
|
}
|
|
|
|
Glib::RefPtr<Gdk::Pixbuf> buf = Gdk::Pixbuf::create(Gdk::COLORSPACE_RGB, true, 8, clip_width, clip_height);
|
|
|
|
cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, clip_width, clip_height);
|
|
cairo_t* cr = cairo_create (surface);
|
|
cairo_text_extents_t te;
|
|
|
|
cairo_set_source_rgba (cr, fg.get_red_p(), fg.get_green_p(), fg.get_blue_p(), 1.0);
|
|
cairo_select_font_face (cr, font.get_family().c_str(),
|
|
CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL);
|
|
cairo_set_font_size (cr, font.get_size() / Pango::SCALE);
|
|
cairo_text_extents (cr, name.c_str(), &te);
|
|
|
|
cairo_move_to (cr, 0.5, int (0.5 - te.height / 2 - te.y_bearing + clip_height / 2));
|
|
cairo_show_text (cr, name.c_str());
|
|
|
|
convert_bgra_to_rgba(cairo_image_surface_get_data (surface), buf->get_pixels(), clip_width, clip_height);
|
|
|
|
cairo_destroy(cr);
|
|
cairo_surface_destroy(surface);
|
|
|
|
return buf;
|
|
}
|
|
|
|
void
|
|
Gtkmm2ext::set_popdown_strings (Gtk::ComboBoxText& cr, const vector<string>& strings)
|
|
{
|
|
vector<string>::const_iterator i;
|
|
|
|
cr.clear ();
|
|
|
|
for (i = strings.begin(); i != strings.end(); ++i) {
|
|
cr.append_text (*i);
|
|
}
|
|
}
|
|
|
|
GdkWindow*
|
|
Gtkmm2ext::get_paned_handle (Gtk::Paned& paned)
|
|
{
|
|
return GTK_PANED(paned.gobj())->handle;
|
|
}
|
|
|
|
void
|
|
Gtkmm2ext::set_decoration (Gtk::Window* win, Gdk::WMDecoration decor)
|
|
{
|
|
win->get_window()->set_decorations (decor);
|
|
}
|
|
|
|
void Gtkmm2ext::set_treeview_header_as_default_label(Gtk::TreeViewColumn* c)
|
|
{
|
|
gtk_tree_view_column_set_widget( c->gobj(), GTK_WIDGET(0) );
|
|
}
|
|
|
|
void
|
|
Gtkmm2ext::detach_menu (Gtk::Menu& menu)
|
|
{
|
|
/* its possible for a Gtk::Menu to have no gobj() because it has
|
|
not yet been instantiated. Catch this and provide a safe
|
|
detach method.
|
|
*/
|
|
if (menu.gobj()) {
|
|
if (menu.get_attach_widget()) {
|
|
menu.detach ();
|
|
}
|
|
}
|
|
}
|
|
|
|
bool
|
|
Gtkmm2ext::possibly_translate_keyval_to_make_legal_accelerator (uint32_t& keyval)
|
|
{
|
|
int fakekey = GDK_VoidSymbol;
|
|
|
|
switch (keyval) {
|
|
case GDK_Tab:
|
|
case GDK_ISO_Left_Tab:
|
|
fakekey = GDK_nabla;
|
|
break;
|
|
|
|
case GDK_Up:
|
|
fakekey = GDK_uparrow;
|
|
break;
|
|
|
|
case GDK_Down:
|
|
fakekey = GDK_downarrow;
|
|
break;
|
|
|
|
case GDK_Right:
|
|
fakekey = GDK_rightarrow;
|
|
break;
|
|
|
|
case GDK_Left:
|
|
fakekey = GDK_leftarrow;
|
|
break;
|
|
|
|
case GDK_Return:
|
|
fakekey = GDK_3270_Enter;
|
|
break;
|
|
|
|
case GDK_KP_Enter:
|
|
fakekey = GDK_F35;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (fakekey != GDK_VoidSymbol) {
|
|
keyval = fakekey;
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
uint32_t
|
|
Gtkmm2ext::possibly_translate_legal_accelerator_to_real_key (uint32_t keyval)
|
|
{
|
|
switch (keyval) {
|
|
case GDK_nabla:
|
|
return GDK_Tab;
|
|
break;
|
|
|
|
case GDK_uparrow:
|
|
return GDK_Up;
|
|
break;
|
|
|
|
case GDK_downarrow:
|
|
return GDK_Down;
|
|
break;
|
|
|
|
case GDK_rightarrow:
|
|
return GDK_Right;
|
|
break;
|
|
|
|
case GDK_leftarrow:
|
|
return GDK_Left;
|
|
break;
|
|
|
|
case GDK_3270_Enter:
|
|
return GDK_Return;
|
|
|
|
case GDK_F35:
|
|
return GDK_KP_Enter;
|
|
break;
|
|
}
|
|
|
|
return keyval;
|
|
}
|
|
|
|
int
|
|
Gtkmm2ext::physical_screen_height (Glib::RefPtr<Gdk::Window> win)
|
|
{
|
|
GdkScreen* scr = gdk_screen_get_default();
|
|
|
|
if (win) {
|
|
GdkRectangle r;
|
|
gint monitor = gdk_screen_get_monitor_at_window (scr, win->gobj());
|
|
gdk_screen_get_monitor_geometry (scr, monitor, &r);
|
|
return r.height;
|
|
} else {
|
|
return gdk_screen_get_height (scr);
|
|
}
|
|
}
|
|
|
|
int
|
|
Gtkmm2ext::physical_screen_width (Glib::RefPtr<Gdk::Window> win)
|
|
{
|
|
GdkScreen* scr = gdk_screen_get_default();
|
|
|
|
if (win) {
|
|
GdkRectangle r;
|
|
gint monitor = gdk_screen_get_monitor_at_window (scr, win->gobj());
|
|
gdk_screen_get_monitor_geometry (scr, monitor, &r);
|
|
return r.width;
|
|
} else {
|
|
return gdk_screen_get_width (scr);
|
|
}
|
|
}
|
|
|
|
void
|
|
Gtkmm2ext::container_clear (Gtk::Container& c)
|
|
{
|
|
list<Gtk::Widget*> children = c.get_children();
|
|
for (list<Gtk::Widget*>::iterator child = children.begin(); child != children.end(); ++child) {
|
|
c.remove (**child);
|
|
}
|
|
}
|
|
|
|
void
|
|
Gtkmm2ext::rounded_rectangle (Cairo::RefPtr<Cairo::Context> context, double x, double y, double w, double h, double r)
|
|
{
|
|
rounded_rectangle (context->cobj(), x, y, w, h, r);
|
|
}
|
|
void
|
|
Gtkmm2ext::rounded_top_rectangle (Cairo::RefPtr<Cairo::Context> context, double x, double y, double w, double h, double r)
|
|
{
|
|
rounded_top_rectangle (context->cobj(), x, y, w, h, r);
|
|
}
|
|
void
|
|
Gtkmm2ext::rounded_top_left_rectangle (Cairo::RefPtr<Cairo::Context> context, double x, double y, double w, double h, double r)
|
|
{
|
|
rounded_top_left_rectangle (context->cobj(), x, y, w, h, r);
|
|
}
|
|
void
|
|
Gtkmm2ext::rounded_top_right_rectangle (Cairo::RefPtr<Cairo::Context> context, double x, double y, double w, double h, double r)
|
|
{
|
|
rounded_top_right_rectangle (context->cobj(), x, y, w, h, r);
|
|
}
|
|
void
|
|
Gtkmm2ext::rounded_top_half_rectangle (Cairo::RefPtr<Cairo::Context> context, double x, double y, double w, double h, double r)
|
|
{
|
|
rounded_top_half_rectangle (context->cobj(), x, y, w, h, r);
|
|
}
|
|
void
|
|
Gtkmm2ext::rounded_bottom_half_rectangle (Cairo::RefPtr<Cairo::Context> context, double x, double y, double w, double h, double r)
|
|
{
|
|
rounded_bottom_half_rectangle (context->cobj(), x, y, w, h, r);
|
|
}
|
|
|
|
void
|
|
Gtkmm2ext::rounded_left_half_rectangle (Cairo::RefPtr<Cairo::Context> context, double x, double y, double w, double h, double r)
|
|
{
|
|
rounded_left_half_rectangle (context->cobj(), x, y, w, h, r);
|
|
}
|
|
|
|
void
|
|
Gtkmm2ext::rounded_right_half_rectangle (Cairo::RefPtr<Cairo::Context> context, double x, double y, double w, double h, double r)
|
|
{
|
|
rounded_right_half_rectangle (context->cobj(), x, y, w, h, r);
|
|
}
|
|
|
|
void
|
|
Gtkmm2ext::rounded_rectangle (cairo_t* cr, double x, double y, double w, double h, double r)
|
|
{
|
|
double degrees = M_PI / 180.0;
|
|
|
|
cairo_new_sub_path (cr);
|
|
cairo_arc (cr, x + w - r, y + r, r, -90 * degrees, 0 * degrees); //tr
|
|
cairo_arc (cr, x + w - r, y + h - r, r, 0 * degrees, 90 * degrees); //br
|
|
cairo_arc (cr, x + r, y + h - r, r, 90 * degrees, 180 * degrees); //bl
|
|
cairo_arc (cr, x + r, y + r, r, 180 * degrees, 270 * degrees); //tl
|
|
cairo_close_path (cr);
|
|
}
|
|
|
|
void
|
|
Gtkmm2ext::rounded_left_half_rectangle (cairo_t* cr, double x, double y, double w, double h, double r)
|
|
{
|
|
double degrees = M_PI / 180.0;
|
|
|
|
cairo_new_sub_path (cr);
|
|
cairo_line_to (cr, x+w, y); // tr
|
|
cairo_line_to (cr, x+w, y + h); // br
|
|
cairo_arc (cr, x + r, y + h - r, r, 90 * degrees, 180 * degrees); //bl
|
|
cairo_arc (cr, x + r, y + r, r, 180 * degrees, 270 * degrees); //tl
|
|
cairo_close_path (cr);
|
|
}
|
|
|
|
void
|
|
Gtkmm2ext::rounded_right_half_rectangle (cairo_t* cr, double x, double y, double w, double h, double r)
|
|
{
|
|
double degrees = M_PI / 180.0;
|
|
|
|
cairo_new_sub_path (cr);
|
|
cairo_arc (cr, x + w - r, y + r, r, -90 * degrees, 0 * degrees); //tr
|
|
cairo_arc (cr, x + w - r, y + h - r, r, 0 * degrees, 90 * degrees); //br
|
|
cairo_line_to (cr, x, y + h); // bl
|
|
cairo_line_to (cr, x, y); // tl
|
|
cairo_close_path (cr);
|
|
}
|
|
|
|
void
|
|
Gtkmm2ext::rounded_top_half_rectangle (cairo_t* cr, double x, double y, double w, double h, double r)
|
|
{
|
|
double degrees = M_PI / 180.0;
|
|
|
|
cairo_new_sub_path (cr);
|
|
cairo_move_to (cr, x+w, y+h);
|
|
cairo_line_to (cr, x, y+h);
|
|
cairo_arc (cr, x + r, y + r, r, 180 * degrees, 270 * degrees); //tl
|
|
cairo_arc (cr, x + w - r, y + r, r, -90 * degrees, 0 * degrees); //tr
|
|
cairo_close_path (cr);
|
|
}
|
|
|
|
void
|
|
Gtkmm2ext::rounded_bottom_half_rectangle (cairo_t* cr, double x, double y, double w, double h, double r)
|
|
{
|
|
double degrees = M_PI / 180.0;
|
|
|
|
cairo_new_sub_path (cr);
|
|
cairo_move_to (cr, x, y);
|
|
cairo_line_to (cr, x+w, y);
|
|
cairo_arc (cr, x + w - r, y + h - r, r, 0 * degrees, 90 * degrees); //br
|
|
cairo_arc (cr, x + r, y + h - r, r, 90 * degrees, 180 * degrees); //bl
|
|
cairo_close_path (cr);
|
|
}
|
|
|
|
|
|
void
|
|
Gtkmm2ext::rounded_top_rectangle (cairo_t* cr, double x, double y, double w, double h, double r)
|
|
{
|
|
double degrees = M_PI / 180.0;
|
|
|
|
cairo_new_sub_path (cr);
|
|
cairo_move_to (cr, x+w, y+h);
|
|
cairo_line_to (cr, x, y+h);
|
|
cairo_arc (cr, x + r, y + r, r, 180 * degrees, 270 * degrees); //tl
|
|
cairo_arc (cr, x + w - r, y + r, r, -90 * degrees, 0 * degrees); //tr
|
|
cairo_close_path (cr);
|
|
}
|
|
|
|
void
|
|
Gtkmm2ext::rounded_top_left_rectangle (cairo_t* cr, double x, double y, double w, double h, double r)
|
|
{
|
|
/* A****B
|
|
H *
|
|
* *
|
|
* *
|
|
F****E
|
|
*/
|
|
cairo_move_to (cr, x+r,y); // Move to A
|
|
cairo_line_to (cr, x+w,y); // Straight line to B
|
|
cairo_line_to (cr, x+w,y+h); // Move to E
|
|
cairo_line_to (cr, x,y+h); // Line to F
|
|
cairo_line_to (cr, x,y+r); // Line to H
|
|
cairo_curve_to (cr, x,y,x,y,x+r,y); // Curve to A
|
|
}
|
|
|
|
void
|
|
Gtkmm2ext::rounded_top_right_rectangle (cairo_t* cr, double x, double y, double w, double h, double r)
|
|
{
|
|
/* A****BQ
|
|
* C
|
|
* *
|
|
* *
|
|
F****E
|
|
*/
|
|
cairo_move_to (cr, x,y); // Move to A
|
|
cairo_line_to (cr, x+w-r,y); // Straight line to B
|
|
cairo_curve_to (cr, x+w,y,x+w,y,x+w,y+r); // Curve to C, Control points are both at Q
|
|
cairo_line_to (cr, x+w,y+h); // Move to E
|
|
cairo_line_to (cr, x,y+h); // Line to F
|
|
cairo_line_to (cr, x,y); // Line to A
|
|
}
|
|
|
|
Glib::RefPtr<Gdk::Window>
|
|
Gtkmm2ext::window_to_draw_on (Gtk::Widget& w, Gtk::Widget** parent)
|
|
{
|
|
if (w.get_has_window()) {
|
|
return w.get_window();
|
|
}
|
|
|
|
(*parent) = w.get_parent();
|
|
|
|
while (*parent) {
|
|
if ((*parent)->get_has_window()) {
|
|
return (*parent)->get_window ();
|
|
}
|
|
(*parent) = (*parent)->get_parent ();
|
|
}
|
|
|
|
return Glib::RefPtr<Gdk::Window> ();
|
|
}
|
|
|
|
int
|
|
Gtkmm2ext::pixel_width (const string& str, Pango::FontDescription& font)
|
|
{
|
|
Gtk::Label foo;
|
|
Glib::RefPtr<Pango::Layout> layout = foo.create_pango_layout ("");
|
|
|
|
layout->set_font_description (font);
|
|
layout->set_text (str);
|
|
|
|
int width, height;
|
|
Gtkmm2ext::get_ink_pixel_size (layout, width, height);
|
|
return width;
|
|
}
|
|
|
|
#if 0
|
|
string
|
|
Gtkmm2ext::fit_to_pixels (const string& str, int pixel_width, Pango::FontDescription& font, int& actual_width, bool with_ellipses)
|
|
{
|
|
/* DECEMBER 2011: THIS PROTOTYPE OF fit_to_pixels() IS NOT USED
|
|
ANYWHERE AND HAS NOT BEEN TESTED.
|
|
*/
|
|
Gtk::Label foo;
|
|
Glib::RefPtr<Pango::Layout> layout = foo.create_pango_layout (str);
|
|
Glib::RefPtr<const Pango::LayoutLine> line;
|
|
|
|
layout->set_font_description (font);
|
|
layout->set_width (pixel_width * PANGO_SCALE);
|
|
|
|
if (with_ellipses) {
|
|
layout->set_ellipsize (Pango::ELLIPSIZE_END);
|
|
} else {
|
|
layout->set_wrap (Pango::WRAP_CHAR);
|
|
}
|
|
|
|
line = layout->get_line (0);
|
|
|
|
/* XXX: might need special care to get the ellipsis character, not sure
|
|
how that works
|
|
*/
|
|
|
|
string s = string (layout->get_text ().substr(line->get_start_index(), line->get_length()));
|
|
|
|
cerr << "fit to pixels of " << str << " returns " << s << endl;
|
|
|
|
return s;
|
|
}
|
|
#endif
|
|
|
|
/** Try to fit a string into a given horizontal space by ellipsizing it.
|
|
* @param cr Cairo context in which the text will be plotted.
|
|
* @param name Text.
|
|
* @param avail Available horizontal space.
|
|
* @return (Text, possibly ellipsized) and (horizontal size of text)
|
|
*/
|
|
|
|
std::pair<std::string, double>
|
|
Gtkmm2ext::fit_to_pixels (cairo_t* cr, std::string name, double avail)
|
|
{
|
|
/* XXX hopefully there exists a more efficient way of doing this */
|
|
|
|
bool abbreviated = false;
|
|
uint32_t width = 0;
|
|
|
|
while (1) {
|
|
cairo_text_extents_t ext;
|
|
cairo_text_extents (cr, name.c_str(), &ext);
|
|
|
|
if (ext.width < avail || name.length() <= 4) {
|
|
width = ext.width;
|
|
break;
|
|
}
|
|
|
|
if (abbreviated) {
|
|
name = name.substr (0, name.length() - 4) + "...";
|
|
} else {
|
|
name = name.substr (0, name.length() - 3) + "...";
|
|
abbreviated = true;
|
|
}
|
|
}
|
|
|
|
return std::make_pair (name, width);
|
|
}
|
|
|
|
Gtk::Label *
|
|
Gtkmm2ext::left_aligned_label (string const & t)
|
|
{
|
|
Gtk::Label* l = new Gtk::Label (t);
|
|
l->set_alignment (0, 0.5);
|
|
return l;
|
|
}
|
|
|
|
static bool
|
|
make_null_tooltip (int, int, bool, const Glib::RefPtr<Gtk::Tooltip>& t)
|
|
{
|
|
t->set_tip_area (Gdk::Rectangle (0, 0, 0, 0));
|
|
return true;
|
|
}
|
|
|
|
/** Hackily arrange for the provided widget to have no tooltip,
|
|
* and also to stop any other widget from providing one while
|
|
* the mouse is over w.
|
|
*/
|
|
void
|
|
Gtkmm2ext::set_no_tooltip_whatsoever (Gtk::Widget& w)
|
|
{
|
|
w.property_has_tooltip() = true;
|
|
w.signal_query_tooltip().connect (sigc::ptr_fun (make_null_tooltip));
|
|
}
|
|
|
|
void
|
|
Gtkmm2ext::enable_tooltips ()
|
|
{
|
|
gtk_rc_parse_string ("gtk-enable-tooltips = 1");
|
|
}
|
|
|
|
void
|
|
Gtkmm2ext::disable_tooltips ()
|
|
{
|
|
gtk_rc_parse_string ("gtk-enable-tooltips = 0");
|
|
}
|
|
|
|
bool
|
|
Gtkmm2ext::event_inside_widget_window (Gtk::Widget& widget, GdkEvent* ev)
|
|
{
|
|
gdouble evx, evy;
|
|
|
|
if (!gdk_event_get_root_coords (ev, &evx, &evy)) {
|
|
return false;
|
|
}
|
|
|
|
gint wx;
|
|
gint wy;
|
|
gint width, height, depth;
|
|
gint x, y;
|
|
|
|
Glib::RefPtr<Gdk::Window> widget_window = widget.get_window();
|
|
|
|
widget_window->get_geometry (x, y, width, height, depth);
|
|
widget_window->get_root_origin (wx, wy);
|
|
|
|
if ((evx >= wx && evx < wx + width) &&
|
|
(evy >= wy && evy < wy + height)) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
const char*
|
|
Gtkmm2ext::event_type_string (int event_type)
|
|
{
|
|
switch (event_type) {
|
|
case GDK_NOTHING:
|
|
return "nothing";
|
|
case GDK_DELETE:
|
|
return "delete";
|
|
case GDK_DESTROY:
|
|
return "destroy";
|
|
case GDK_EXPOSE:
|
|
return "expose";
|
|
case GDK_MOTION_NOTIFY:
|
|
return "motion_notify";
|
|
case GDK_BUTTON_PRESS:
|
|
return "button_press";
|
|
case GDK_2BUTTON_PRESS:
|
|
return "2button_press";
|
|
case GDK_3BUTTON_PRESS:
|
|
return "3button_press";
|
|
case GDK_BUTTON_RELEASE:
|
|
return "button_release";
|
|
case GDK_KEY_PRESS:
|
|
return "key_press";
|
|
case GDK_KEY_RELEASE:
|
|
return "key_release";
|
|
case GDK_ENTER_NOTIFY:
|
|
return "enter_notify";
|
|
case GDK_LEAVE_NOTIFY:
|
|
return "leave_notify";
|
|
case GDK_FOCUS_CHANGE:
|
|
return "focus_change";
|
|
case GDK_CONFIGURE:
|
|
return "configure";
|
|
case GDK_MAP:
|
|
return "map";
|
|
case GDK_UNMAP:
|
|
return "unmap";
|
|
case GDK_PROPERTY_NOTIFY:
|
|
return "property_notify";
|
|
case GDK_SELECTION_CLEAR:
|
|
return "selection_clear";
|
|
case GDK_SELECTION_REQUEST:
|
|
return "selection_request";
|
|
case GDK_SELECTION_NOTIFY:
|
|
return "selection_notify";
|
|
case GDK_PROXIMITY_IN:
|
|
return "proximity_in";
|
|
case GDK_PROXIMITY_OUT:
|
|
return "proximity_out";
|
|
case GDK_DRAG_ENTER:
|
|
return "drag_enter";
|
|
case GDK_DRAG_LEAVE:
|
|
return "drag_leave";
|
|
case GDK_DRAG_MOTION:
|
|
return "drag_motion";
|
|
case GDK_DRAG_STATUS:
|
|
return "drag_status";
|
|
case GDK_DROP_START:
|
|
return "drop_start";
|
|
case GDK_DROP_FINISHED:
|
|
return "drop_finished";
|
|
case GDK_CLIENT_EVENT:
|
|
return "client_event";
|
|
case GDK_VISIBILITY_NOTIFY:
|
|
return "visibility_notify";
|
|
case GDK_NO_EXPOSE:
|
|
return "no_expose";
|
|
case GDK_SCROLL:
|
|
return "scroll";
|
|
case GDK_WINDOW_STATE:
|
|
return "window_state";
|
|
case GDK_SETTING:
|
|
return "setting";
|
|
case GDK_OWNER_CHANGE:
|
|
return "owner_change";
|
|
case GDK_GRAB_BROKEN:
|
|
return "grab_broken";
|
|
case GDK_DAMAGE:
|
|
return "damage";
|
|
}
|
|
|
|
return "unknown";
|
|
}
|