1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/* drawcursor.c
* functions for drawing the cursor
*
* for Denemo, a gtk+ frontend to GNU Lilypond
* (c) 1999-2005 Matthew Hiller, Adam Tee, 2010 Richard Shann
*/
#include <math.h>
#include "drawingprims.h"
#include "gcs.h"
#include "utils.h"
#define CURSOR_WIDTH 10
#define CURSOR_HEIGHT 6
#define CURSOR_MINUS (CURSOR_HEIGHT/2)
/**
* Draw the cursor on the canvas at the given position
* insert_control is the last gap from the previous note except when the cursor is on a measure boundary in which case it is +1 or -1 to indicate where next inserted note will go.
*/
void
draw_cursor (cairo_t *cr, DenemoScore * si,
gint xx, gint y, gint insert_control, input_mode mode, gint dclef)
{
if(!cr) return;
gint height = calculateheight (si->cursor_y, dclef);
static GdkGC *blackgc = NULL;
static GdkGC *graygc;
static GdkGC *greengc;
static GdkGC *redgc;
static GdkGC *bluegc;
static GdkGC *purplegc;
GdkGC *paintgc;
//xx -=5;
if (!blackgc)
{
blackgc = gcs_blackgc ();
graygc = gcs_graygc ();
greengc = gcs_greengc ();
redgc = gcs_redgc ();
bluegc = gcs_bluegc ();
purplegc = gcs_purplegc ();
}
paintgc = (mode & INPUTREST) ? graygc :
(mode & INPUTBLANK) ? bluegc : si->cursoroffend ? redgc : greengc;
if(si->cursor_appending)
paintgc = si->cursoroffend ? redgc :bluegc;
cairo_save( cr );
setcairocolor( cr, paintgc );
if(si->cursor_appending)
cairo_rectangle( cr, xx-(si->cursoroffend?CURSOR_WIDTH:0), height + y - CURSOR_HEIGHT, 2*CURSOR_WIDTH, 2*CURSOR_HEIGHT );
else
cairo_rectangle( cr, xx, height + y - CURSOR_MINUS, CURSOR_WIDTH, CURSOR_HEIGHT );
cairo_fill( cr );
{
gdouble length = 20/si->zoom;
gdouble insert_pos = CURSOR_WIDTH*0.8;
if(!si->cursor_appending) {
insert_pos = -insert_control/4;
}
else
if(si->cursoroffend)
insert_pos = insert_control * CURSOR_WIDTH;
static gboolean on;
on = !on;
// g_print("on is %d %d\n", on, Denemo.prefs.cursor_highlight);
if( (!Denemo.prefs.cursor_highlight) || (on && Denemo.prefs.cursor_highlight)) {
setcairocolor( cr, bluegc );
cairo_set_line_width (cr, 4);
cairo_move_to( cr, xx+insert_pos, y + 4);
cairo_rel_line_to( cr, 0, STAFF_HEIGHT - 8);
cairo_stroke( cr );
setcairocolor( cr, paintgc );
if (Denemo.gui->view == DENEMO_PAGE_VIEW) {
cairo_set_line_width (cr, 6.0/si->zoom);
cairo_set_source_rgba (cr, 0, 1, 0, 0.40);
cairo_arc(cr, xx + CURSOR_WIDTH/2, height + y, length, 0, 2 * M_PI);
cairo_stroke( cr );
}
}
}
cairo_restore( cr );
/* Now draw ledgers if necessary and we're done */
draw_ledgers (cr, height, height, xx, y, CURSOR_WIDTH);
}
|
