#include "gtkmm2ext/gui_thread.h"
#include "gtkmm2ext/gtk_ui.h"
#include "gtkmm2ext/keyboard.h"
+#include "gtkmm2ext/utils.h"
#include "ardour/panner.h"
#include "ardour/panner.h"
{
Glib::RefPtr<Gdk::Window> win (get_window());
Glib::RefPtr<Gdk::GC> gc (get_style()->get_base_gc (get_state()));
-
- cairo_t* cr = gdk_cairo_create (win->gobj());
+ Cairo::RefPtr<Cairo::Context> context = get_window()->create_cairo_context();
int width, height;
double pos = position_control->get_value (); /* 0..1 */
uint32_t o, f, t, b, pf, po;
+ const double corner_radius = 5;
width = get_width();
height = get_height ();
/* background */
- cairo_set_source_rgba (cr, UINT_RGBA_R_FLT(b), UINT_RGBA_G_FLT(b), UINT_RGBA_B_FLT(b), UINT_RGBA_A_FLT(b));
- cairo_rectangle (cr, 0, 0, width, height);
- cairo_fill (cr);
+ context->set_source_rgba (UINT_RGBA_R_FLT(b), UINT_RGBA_G_FLT(b), UINT_RGBA_B_FLT(b), UINT_RGBA_A_FLT(b));
+ context->rectangle (0, 0, width, height);
+ context->fill ();
double usable_width = width - pos_box_size;
So, offset cairo by 1, and reduce effective width by 1
*/
usable_width -= 1.0;
- cairo_translate (cr, 1.0, 0.0);
+ context->translate (1.0, 0.0);
}
const double half_lr_box = lr_box_size/2.0;
right = width - 4 - half_lr_box; // center of right box
/* center line */
- cairo_set_source_rgba (cr, UINT_RGBA_R_FLT(o), UINT_RGBA_G_FLT(o), UINT_RGBA_B_FLT(o), UINT_RGBA_A_FLT(o));
- cairo_set_line_width (cr, 1.0);
- cairo_move_to (cr, (pos_box_size/2.0) + (usable_width/2.0), 0);
- cairo_line_to (cr, (pos_box_size/2.0) + (usable_width/2.0), height);
- cairo_stroke (cr);
+ context->set_source_rgba (UINT_RGBA_R_FLT(o), UINT_RGBA_G_FLT(o), UINT_RGBA_B_FLT(o), UINT_RGBA_A_FLT(o));
+ context->set_line_width (1.0);
+ context->move_to ((pos_box_size/2.0) + (usable_width/2.0), 0);
+ context->line_to ((pos_box_size/2.0) + (usable_width/2.0), height);
+ context->stroke ();
/* left box */
- cairo_rectangle (cr,
- left - half_lr_box,
- half_lr_box+step_down,
- lr_box_size, lr_box_size);
- cairo_set_source_rgba (cr, UINT_RGBA_R_FLT(o), UINT_RGBA_G_FLT(o), UINT_RGBA_B_FLT(o), UINT_RGBA_A_FLT(o));
- cairo_stroke_preserve (cr);
- cairo_set_source_rgba (cr, UINT_RGBA_R_FLT(f), UINT_RGBA_G_FLT(f), UINT_RGBA_B_FLT(f), UINT_RGBA_A_FLT(f));
- cairo_fill (cr);
+ rounded_rectangle (context,
+ left - half_lr_box,
+ half_lr_box+step_down,
+ lr_box_size, lr_box_size, corner_radius);
+ context->set_source_rgba (UINT_RGBA_R_FLT(o), UINT_RGBA_G_FLT(o), UINT_RGBA_B_FLT(o), UINT_RGBA_A_FLT(o));
+ context->stroke_preserve ();
+ context->set_source_rgba (UINT_RGBA_R_FLT(f), UINT_RGBA_G_FLT(f), UINT_RGBA_B_FLT(f), UINT_RGBA_A_FLT(f));
+ context->fill ();
/* add text */
- cairo_move_to (cr,
+ context->move_to (
left - half_lr_box + 3,
(lr_box_size/2) + step_down + 13);
- cairo_select_font_face (cr, "sans-serif", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_BOLD);
- cairo_set_source_rgba (cr, UINT_RGBA_R_FLT(t), UINT_RGBA_G_FLT(t), UINT_RGBA_B_FLT(t), UINT_RGBA_A_FLT(t));
- cairo_show_text (cr, _("L"));
+ context->select_font_face ("sans-serif", Cairo::FONT_SLANT_NORMAL, Cairo::FONT_WEIGHT_BOLD);
+ context->set_source_rgba (UINT_RGBA_R_FLT(t), UINT_RGBA_G_FLT(t), UINT_RGBA_B_FLT(t), UINT_RGBA_A_FLT(t));
+ context->show_text (_("L"));
/* right box */
- cairo_rectangle (cr,
- right - half_lr_box,
- half_lr_box+step_down,
- lr_box_size, lr_box_size);
- cairo_set_source_rgba (cr, UINT_RGBA_R_FLT(o), UINT_RGBA_G_FLT(o), UINT_RGBA_B_FLT(o), UINT_RGBA_A_FLT(o));
- cairo_stroke_preserve (cr);
- cairo_set_source_rgba (cr, UINT_RGBA_R_FLT(f), UINT_RGBA_G_FLT(f), UINT_RGBA_B_FLT(f), UINT_RGBA_A_FLT(f));
- cairo_fill (cr);
+ rounded_rectangle (context,
+ right - half_lr_box,
+ half_lr_box+step_down,
+ lr_box_size, lr_box_size, corner_radius);
+ context->set_source_rgba (UINT_RGBA_R_FLT(o), UINT_RGBA_G_FLT(o), UINT_RGBA_B_FLT(o), UINT_RGBA_A_FLT(o));
+ context->stroke_preserve ();
+ context->set_source_rgba (UINT_RGBA_R_FLT(f), UINT_RGBA_G_FLT(f), UINT_RGBA_B_FLT(f), UINT_RGBA_A_FLT(f));
+ context->fill ();
/* add text */
- cairo_move_to (cr,
+ context->move_to (
right - half_lr_box + 3,
(lr_box_size/2)+step_down + 13);
- cairo_set_source_rgba (cr, UINT_RGBA_R_FLT(t), UINT_RGBA_G_FLT(t), UINT_RGBA_B_FLT(t), UINT_RGBA_A_FLT(t));
- cairo_show_text (cr, _("R"));
+ context->set_source_rgba (UINT_RGBA_R_FLT(t), UINT_RGBA_G_FLT(t), UINT_RGBA_B_FLT(t), UINT_RGBA_A_FLT(t));
+ context->show_text (_("R"));
/* 2 lines that connect them both */
- cairo_set_source_rgba (cr, UINT_RGBA_R_FLT(o), UINT_RGBA_G_FLT(o), UINT_RGBA_B_FLT(o), UINT_RGBA_A_FLT(o));
- cairo_set_line_width (cr, 1.0);
- cairo_move_to (cr, left + half_lr_box, half_lr_box+step_down);
- cairo_line_to (cr, right - half_lr_box, half_lr_box+step_down);
- cairo_stroke (cr);
+ context->set_source_rgba (UINT_RGBA_R_FLT(o), UINT_RGBA_G_FLT(o), UINT_RGBA_B_FLT(o), UINT_RGBA_A_FLT(o));
+ context->set_line_width (1.0);
+
+ /* make the lines a little longer than they need to be, because the corners of
+ the boxes are rounded and we don't want a gap
+ */
+ context->move_to (left + half_lr_box - corner_radius, half_lr_box+step_down);
+ context->line_to (right - half_lr_box + corner_radius, half_lr_box+step_down);
+ context->stroke ();
- cairo_move_to (cr, left + half_lr_box, half_lr_box+step_down+lr_box_size);
- cairo_line_to (cr, right - half_lr_box, half_lr_box+step_down+lr_box_size);
- cairo_stroke (cr);
+ context->move_to (left + half_lr_box - corner_radius, half_lr_box+step_down+lr_box_size);
+ context->line_to (right - half_lr_box + corner_radius, half_lr_box+step_down+lr_box_size);
+ context->stroke ();
/* draw the position indicator */
double spos = (pos_box_size/2.0) + (usable_width * pos);
- cairo_set_line_width (cr, 2.0);
- cairo_move_to (cr, spos + (pos_box_size/2.0), top_step); /* top right */
- cairo_rel_line_to (cr, 0.0, pos_box_size); /* lower right */
- cairo_rel_line_to (cr, -pos_box_size/2.0, 4.0); /* bottom point */
- cairo_rel_line_to (cr, -pos_box_size/2.0, -4.0); /* lower left */
- cairo_rel_line_to (cr, 0.0, -pos_box_size); /* upper left */
- cairo_close_path (cr);
+ context->set_line_width (2.0);
+ context->move_to (spos + (pos_box_size/2.0), top_step); /* top right */
+ context->rel_line_to (0.0, pos_box_size); /* lower right */
+ context->rel_line_to (-pos_box_size/2.0, 4.0); /* bottom point */
+ context->rel_line_to (-pos_box_size/2.0, -4.0); /* lower left */
+ context->rel_line_to (0.0, -pos_box_size); /* upper left */
+ context->close_path ();
- cairo_set_source_rgba (cr, UINT_RGBA_R_FLT(po), UINT_RGBA_G_FLT(po), UINT_RGBA_B_FLT(po), UINT_RGBA_A_FLT(po));
- cairo_stroke_preserve (cr);
- cairo_set_source_rgba (cr, UINT_RGBA_R_FLT(pf), UINT_RGBA_G_FLT(pf), UINT_RGBA_B_FLT(pf), UINT_RGBA_A_FLT(pf));
- cairo_fill (cr);
+ context->set_source_rgba (UINT_RGBA_R_FLT(po), UINT_RGBA_G_FLT(po), UINT_RGBA_B_FLT(po), UINT_RGBA_A_FLT(po));
+ context->stroke_preserve ();
+ context->set_source_rgba (UINT_RGBA_R_FLT(pf), UINT_RGBA_G_FLT(pf), UINT_RGBA_B_FLT(pf), UINT_RGBA_A_FLT(pf));
+ context->fill ();
/* marker line */
- cairo_set_line_width (cr, 1.0);
- cairo_move_to (cr, spos, pos_box_size+4);
- cairo_rel_line_to (cr, 0, height - (pos_box_size+4));
- cairo_set_source_rgba (cr, UINT_RGBA_R_FLT(po), UINT_RGBA_G_FLT(po), UINT_RGBA_B_FLT(po), UINT_RGBA_A_FLT(po));
- cairo_stroke (cr);
+ context->set_line_width (1.0);
+ context->move_to (spos, pos_box_size+4);
+ context->rel_line_to (0, half_lr_box+step_down);
+ context->set_source_rgba (UINT_RGBA_R_FLT(po), UINT_RGBA_G_FLT(po), UINT_RGBA_B_FLT(po), UINT_RGBA_A_FLT(po));
+ context->stroke ();
/* done */
- cairo_destroy (cr);
return true;
}
projects / ardour.git / blobdiff