rxvt-unicode/src/scrollbar.h

#ifndef SCROLLBAR_H
#define SCROLLBAR_H

#include <X11/Xlib.h>
#include "rxvtutil.h"

struct rxvt_term;

#define SB_WIDTH_NEXT           19
#define SB_WIDTH_XTERM          15
#define SB_WIDTH_PLAIN          7
#ifndef SB_WIDTH_RXVT
# define SB_WIDTH_RXVT          10
#endif

/*
 * NeXT scrollbar defines
 */
#define SB_PADDING              1
#define SB_BORDER_WIDTH         1
#define SB_BEVEL_WIDTH_UPPER_LEFT       1
#define SB_BEVEL_WIDTH_LOWER_RIGHT      2
#define SB_LEFT_PADDING         (SB_PADDING + SB_BORDER_WIDTH)
#define SB_MARGIN_SPACE         (SB_PADDING * 2)
#define SB_BUTTON_WIDTH         (SB_WIDTH_NEXT - SB_MARGIN_SPACE - SB_BORDER_WIDTH)
#define SB_BUTTON_HEIGHT        (SB_BUTTON_WIDTH)
#define SB_BUTTON_SINGLE_HEIGHT (SB_BUTTON_HEIGHT + SB_PADDING)
#define SB_BUTTON_BOTH_HEIGHT   (SB_BUTTON_SINGLE_HEIGHT * 2)
#define SB_BUTTON_TOTAL_HEIGHT  (SB_BUTTON_BOTH_HEIGHT + SB_PADDING)
#define SB_BUTTON_BEVEL_X       (SB_LEFT_PADDING)
#define SB_BUTTON_FACE_X        (SB_BUTTON_BEVEL_X + SB_BEVEL_WIDTH_UPPER_LEFT)
#define SB_THUMB_MIN_HEIGHT     (SB_BUTTON_WIDTH - (SB_PADDING * 2))

enum sb_state {
  SB_STATE_OFF,
  SB_STATE_IDLE,
  SB_STATE_MOTION,
  SB_STATE_UP,
  SB_STATE_DOWN,
};

enum sb_style {
  SB_STYLE_NEXT  = 1,
  SB_STYLE_XTERM = 2,
  SB_STYLE_PLAIN = 4,
  SB_STYLE_RXVT  = 8,
};

enum sb_align {
  SB_ALIGN_CENTRE,
  SB_ALIGN_TOP,
  SB_ALIGN_BOTTOM,
};

struct scrollBar_t
{
  rxvt_term *term;
  sb_state        state;        /* scrollbar state                          */
  char            init;         /* scrollbar has been initialised           */
  int             beg;          /* slider sub-window begin height           */
  int             end;          /* slider sub-window end height             */
  int             top;          /* slider top position                      */
  int             bot;          /* slider bottom position                   */
  sb_style        style;        /* style: rxvt, xterm, next                 */
  int             width;        /* scrollbar width                          */
  int             shadow;       /* scrollbar shadow width                   */
  int             last_bot;     /* scrollbar last bottom position           */
  int             last_top;     /* scrollbar last top position              */
  int             last_state;   /* scrollbar last state                     */
  sb_align        align;
  Window          win;
  Cursor          leftptr_cursor;
  int             (scrollBar_t::*update)(int);
  void setup (rxvt_term *);
  void resize ();
  void map (int);
  int show (int);
  void destroy ();
  int color ();

  bool upButton (int y)
  {
    if (style == SB_STYLE_NEXT)
      return y > end && y <= end + width + 1;
    if (style == SB_STYLE_RXVT)
      return y < beg;
    return false;
  }
  bool dnButton (int y)
  {
    if (style == SB_STYLE_NEXT)
      return y > end + width + 1;
    if (style == SB_STYLE_RXVT)
      return y > end;
    return false;
  }
  int min_height ()
  {
    return style == SB_STYLE_NEXT ? SB_THUMB_MIN_HEIGHT : 10;
  }
  int size ()
  {
    return max (end - beg, 0);
  }
  int total_width ()
  {
    return width + shadow * 2;
  }
  bool above_slider (int y)
  {
    return y < top;
  }
  bool below_slider (int y)
  {
    return y > bot;
  }
  int position (int y)
  {
    return y - beg;
  }


#if defined(NEXT_SCROLLBAR)
  GC              blackGC,
                  whiteGC,
                  grayGC,
                  darkGC,
                  stippleGC;
  Pixmap          dimple,
                  upArrow,
                  downArrow,
                  upArrowHi,
                  downArrowHi;
#endif

#if defined(RXVT_SCROLLBAR)
  GC              scrollbarGC,
                  topShadowGC,
                  botShadowGC;
#endif

#if defined(XTERM_SCROLLBAR)
  GC              xscrollbarGC,
                  ShadowGC;
#endif

#if defined(PLAIN_SCROLLBAR)
  GC              pscrollbarGC;
#endif

private:
  // update style dependent data
  void update_data ();

  // scrollbar-next.C
  int show_next (int);
  // scrollbar-rxvt.C
  int show_rxvt (int);
  // scrollbar-xterm.C
  int show_xterm (int);
  // scrollbar-plain.C
  int show_plain (int);

  void init_next ();
};

 /*
  *    +-------------+
  *    |             | <---< SB_PADDING
  *    | ::::::::::: |
  *    | ::::::::::: |
  *   '''''''''''''''''
  *   ,,,,,,,,,,,,,,,,,
  *    | ::::::::::: |
  *    | ::::::::::: |
  *    |  +---------------< SB_BEVEL_WIDTH_UPPER_LEFT
  *    |  | :::::::: |
  *    |  V :::: vv-------< SB_BEVEL_WIDTH_LOWER_RIGHT
  *    | +---------+ |
  *    | | ......%%| |
  *    | | ......%%| |
  *    | | .. ()..%%| |
  *    | | ......%%| |
  *    | | %%%%%%%%| |
  *    | +---------+ | <.........................
  *    |             | <---< SB_PADDING         :
  *    | +---------+ | <-+..........            :---< SB_BUTTON_TOTAL_HEIGHT
  *    | | ......%%| |   |         :            :
  *    | | ../\..%%| |   |---< SB_BUTTON_HEIGHT :
  *    | | %%%%%%%%| |   |         :            :
  *    | +---------+ | <-+         :            :
  *    |             |             :            :
  *    | +---------+ | <-+         :---< SB_BUTTON_BOTH_HEIGHT
  *    | | ......%%| |   |         :            :
  *    | | ..\/..%%| |   |         :            :
  *    | | %%%%%%%%| |   |---< SB_BUTTON_SINGLE_HEIGHT
  *    | +---------+ |   |         :            :
  *    |             |   |         :            :
  *    +-------------+ <-+.........:............:
  *    ^^|_________| :
  *    ||     |      :
  *    ||     +---< SB_BUTTON_WIDTH
  *    ||            :
  *    |+------< SB_PADDING
  *    |:            :
  *    +----< SB_BORDER_WIDTH
  *     :            :
  *     :............:
  *           |
  *           +---< SB_WIDTH_NEXT
  */

#endif
Revision:	1.30
Committed:	Tue Oct 2 10:29:12 2012 UTC (11 years, 7 months ago) by sf-exg
Content type:	text/plain
Branch:	MAIN
CVS Tags:	rxvt-unicode-rel-9_20, rxvt-unicode-rel-9_19, rxvt-unicode-rel-9_18, rxvt-unicode-rel-9_17, rxvt-unicode-rel-9_16
Changes since 1.29:	+1 -0 lines
Log Message:	Fix longstanding regression in handling of the scrollbar trough color for rxvt style, introduced in 2008-01-15 change.
#	User	Rev	Content
1	ayin	1.1	#ifndef SCROLLBAR_H
2			#define SCROLLBAR_H
3
4			#include <X11/Xlib.h>
5	sf-exg	1.26	#include "rxvtutil.h"
6	ayin	1.1
7			struct rxvt_term;
8
9	ayin	1.16	#define SB_WIDTH_NEXT 19
10			#define SB_WIDTH_XTERM 15
11			#define SB_WIDTH_PLAIN 7
12			#ifndef SB_WIDTH_RXVT
13			# define SB_WIDTH_RXVT 10
14			#endif
15
16			/*
17			* NeXT scrollbar defines
18			*/
19			#define SB_PADDING 1
20			#define SB_BORDER_WIDTH 1
21			#define SB_BEVEL_WIDTH_UPPER_LEFT 1
22			#define SB_BEVEL_WIDTH_LOWER_RIGHT 2
23			#define SB_LEFT_PADDING (SB_PADDING + SB_BORDER_WIDTH)
24			#define SB_MARGIN_SPACE (SB_PADDING * 2)
25			#define SB_BUTTON_WIDTH (SB_WIDTH_NEXT - SB_MARGIN_SPACE - SB_BORDER_WIDTH)
26			#define SB_BUTTON_HEIGHT (SB_BUTTON_WIDTH)
27			#define SB_BUTTON_SINGLE_HEIGHT (SB_BUTTON_HEIGHT + SB_PADDING)
28			#define SB_BUTTON_BOTH_HEIGHT (SB_BUTTON_SINGLE_HEIGHT * 2)
29			#define SB_BUTTON_TOTAL_HEIGHT (SB_BUTTON_BOTH_HEIGHT + SB_PADDING)
30			#define SB_BUTTON_BEVEL_X (SB_LEFT_PADDING)
31			#define SB_BUTTON_FACE_X (SB_BUTTON_BEVEL_X + SB_BEVEL_WIDTH_UPPER_LEFT)
32			#define SB_THUMB_MIN_HEIGHT (SB_BUTTON_WIDTH - (SB_PADDING * 2))
33
34	ayin	1.13	enum sb_state {
35	sf-exg	1.28	SB_STATE_OFF,
36			SB_STATE_IDLE,
37			SB_STATE_MOTION,
38			SB_STATE_UP,
39			SB_STATE_DOWN,
40	ayin	1.13	};
41
42	sf-exg	1.24	enum sb_style {
43	sf-exg	1.28	SB_STYLE_NEXT = 1,
44			SB_STYLE_XTERM = 2,
45			SB_STYLE_PLAIN = 4,
46			SB_STYLE_RXVT = 8,
47	sf-exg	1.24	};
48
49			enum sb_align {
50	sf-exg	1.28	SB_ALIGN_CENTRE,
51			SB_ALIGN_TOP,
52			SB_ALIGN_BOTTOM,
53	sf-exg	1.24	};
54
55	root	1.23	struct scrollBar_t
56			{
57	ayin	1.14	rxvt_term *term;
58	sf-exg	1.24	sb_state state; /* scrollbar state */
59	ayin	1.1	char init; /* scrollbar has been initialised */
60	sf-exg	1.26	int beg; /* slider sub-window begin height */
61			int end; /* slider sub-window end height */
62			int top; /* slider top position */
63			int bot; /* slider bottom position */
64	sf-exg	1.24	sb_style style; /* style: rxvt, xterm, next */
65	sf-exg	1.26	int width; /* scrollbar width */
66	ayin	1.3	int shadow; /* scrollbar shadow width */
67	ayin	1.7	int last_bot; /* scrollbar last bottom position */
68			int last_top; /* scrollbar last top position */
69			int last_state; /* scrollbar last state */
70	sf-exg	1.24	sb_align align;
71	ayin	1.1	Window win;
72	ayin	1.10	Cursor leftptr_cursor;
73	ayin	1.20	int (scrollBar_t::*update)(int);
74	ayin	1.14	void setup (rxvt_term *);
75	ayin	1.19	void resize ();
76	sf-exg	1.27	void map (int);
77	ayin	1.19	int show (int);
78	ayin	1.20	void destroy ();
79	sf-exg	1.30	int color ();
80	ayin	1.1
81	ayin	1.12	bool upButton (int y)
82			{
83	sf-exg	1.28	if (style == SB_STYLE_NEXT)
84	ayin	1.12	return y > end && y <= end + width + 1;
85	sf-exg	1.28	if (style == SB_STYLE_RXVT)
86	ayin	1.12	return y < beg;
87			return false;
88			}
89			bool dnButton (int y)
90			{
91	sf-exg	1.28	if (style == SB_STYLE_NEXT)
92	ayin	1.12	return y > end + width + 1;
93	sf-exg	1.28	if (style == SB_STYLE_RXVT)
94	ayin	1.12	return y > end;
95			return false;
96			}
97	sf-exg	1.26	int min_height ()
98	ayin	1.17	{
99	sf-exg	1.28	return style == SB_STYLE_NEXT ? SB_THUMB_MIN_HEIGHT : 10;
100	ayin	1.17	}
101	sf-exg	1.26	int size ()
102	ayin	1.17	{
103	sf-exg	1.29	return max (end - beg, 0);
104	ayin	1.17	}
105	sf-exg	1.26	int total_width ()
106	ayin	1.15	{
107			return width + shadow * 2;
108			}
109	sf-exg	1.25	bool above_slider (int y)
110			{
111			return y < top;
112			}
113			bool below_slider (int y)
114			{
115			return y > bot;
116			}
117			int position (int y)
118			{
119			return y - beg;
120			}
121
122	ayin	1.20
123			#if defined(NEXT_SCROLLBAR)
124			GC blackGC,
125			whiteGC,
126			grayGC,
127			darkGC,
128			stippleGC;
129			Pixmap dimple,
130			upArrow,
131			downArrow,
132			upArrowHi,
133			downArrowHi;
134			#endif
135
136			#if defined(RXVT_SCROLLBAR)
137			GC scrollbarGC,
138			topShadowGC,
139			botShadowGC;
140			#endif
141
142			#if defined(XTERM_SCROLLBAR)
143			GC xscrollbarGC,
144			ShadowGC;
145			#endif
146
147			#if defined(PLAIN_SCROLLBAR)
148			GC pscrollbarGC;
149			#endif
150
151	ayin	1.22	private:
152			// update style dependent data
153			void update_data ();
154
155	ayin	1.20	// scrollbar-next.C
156			int show_next (int);
157			// scrollbar-rxvt.C
158			int show_rxvt (int);
159			// scrollbar-xterm.C
160			int show_xterm (int);
161			// scrollbar-plain.C
162			int show_plain (int);
163
164			void init_next ();
165	ayin	1.11	};
166	ayin	1.1
167			/*
168			* +-------------+
169			* \| \| <---< SB_PADDING
170			* \| ::::::::::: \|
171			* \| ::::::::::: \|
172			* '''''''''''''''''
173			* ,,,,,,,,,,,,,,,,,
174			* \| ::::::::::: \|
175			* \| ::::::::::: \|
176			* \| +---------------< SB_BEVEL_WIDTH_UPPER_LEFT
177			* \| \| :::::::: \|
178			* \| V :::: vv-------< SB_BEVEL_WIDTH_LOWER_RIGHT
179			* \| +---------+ \|
180			* \| \| ......%%\| \|
181			* \| \| ......%%\| \|
182			* \| \| .. ()..%%\| \|
183			* \| \| ......%%\| \|
184			* \| \| %%%%%%%%\| \|
185			* \| +---------+ \| <.........................
186			* \| \| <---< SB_PADDING :
187			* \| +---------+ \| <-+.......... :---< SB_BUTTON_TOTAL_HEIGHT
188			* \| \| ......%%\| \| \| : :
189			* \| \| ../\..%%\| \| \|---< SB_BUTTON_HEIGHT :
190			* \| \| %%%%%%%%\| \| \| : :
191			* \| +---------+ \| <-+ : :
192			* \| \| : :
193			* \| +---------+ \| <-+ :---< SB_BUTTON_BOTH_HEIGHT
194			* \| \| ......%%\| \| \| : :
195			* \| \| ..\/..%%\| \| \| : :
196			* \| \| %%%%%%%%\| \| \|---< SB_BUTTON_SINGLE_HEIGHT
197			* \| +---------+ \| \| : :
198			* \| \| \| : :
199			* +-------------+ <-+.........:............:
200			* ^^\|_________\| :
201			* \|\| \| :
202			* \|\| +---< SB_BUTTON_WIDTH
203			* \|\| :
204			* \|+------< SB_PADDING
205			* \|: :
206			* +----< SB_BORDER_WIDTH
207			* : :
208			* :............:
209			* \|
210			* +---< SB_WIDTH_NEXT
211			*/
212
213			#endif