mirror of
https://github.com/VARCem/PDCurses.git
synced 2026-09-23 07:15:05 +00:00
Scrollbar stuff to sb.c.
This commit is contained in:
William McBrine
@@ -100,6 +100,10 @@ void XCursesExit(void);
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void XC_display_text(const chtype *, int, int, int);
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void XC_resize(void);
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void XC_refresh_scrollbar(void);
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void XC_scroll_up_down(Widget, XtPointer, XtPointer);
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void XC_scroll_left_right(Widget, XtPointer, XtPointer);
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void XC_thumb_up_down(Widget, XtPointer, XtPointer);
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void XC_thumb_left_right(Widget, XtPointer, XtPointer);
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void XC_set_blink(bool);
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XColor XC_get_color(short);
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void XC_set_color(short, XColor);
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116
x11/sb.c
116
x11/sb.c
@@ -37,6 +37,122 @@ sb
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bool sb_started = FALSE;
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#if NeedWidePrototypes
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# define PDC_SCROLLBAR_TYPE double
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#else
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# define PDC_SCROLLBAR_TYPE float
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#endif
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void XC_refresh_scrollbar(void)
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{
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PDC_LOG(("XC_refresh_scrollbar() - called\n"));
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if (SP->sb_on)
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{
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PDC_SCROLLBAR_TYPE total_y = SP->sb_total_y;
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PDC_SCROLLBAR_TYPE total_x = SP->sb_total_x;
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if (total_y)
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XawScrollbarSetThumb(scrollVert,
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(PDC_SCROLLBAR_TYPE)(SP->sb_cur_y) / total_y,
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(PDC_SCROLLBAR_TYPE)(SP->sb_viewport_y) / total_y);
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if (total_x)
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XawScrollbarSetThumb(scrollHoriz,
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(PDC_SCROLLBAR_TYPE)(SP->sb_cur_x) / total_x,
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(PDC_SCROLLBAR_TYPE)(SP->sb_viewport_x) / total_x);
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}
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}
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void XC_scroll_up_down(Widget w, XtPointer client_data, XtPointer call_data)
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{
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int pixels = (long) call_data;
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int total_y = SP->sb_total_y * font_height;
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int viewport_y = SP->sb_viewport_y * font_height;
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int cur_y = SP->sb_cur_y * font_height;
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/* When pixels is negative, right button pressed, move data down,
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thumb moves up. Otherwise, left button pressed, pixels positive,
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move data up, thumb down. */
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cur_y += pixels;
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/* limit panning to size of overall */
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if (cur_y < 0)
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cur_y = 0;
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else
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if (cur_y > (total_y - viewport_y))
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cur_y = total_y - viewport_y;
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SP->sb_cur_y = cur_y / font_height;
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XawScrollbarSetThumb(w, (double)((double)cur_y / (double)total_y),
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(double)((double)viewport_y / (double)total_y));
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}
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void XC_scroll_left_right(Widget w, XtPointer client_data, XtPointer call_data)
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{
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int pixels = (long) call_data;
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int total_x = SP->sb_total_x * font_width;
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int viewport_x = SP->sb_viewport_x * font_width;
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int cur_x = SP->sb_cur_x * font_width;
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cur_x += pixels;
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/* limit panning to size of overall */
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if (cur_x < 0)
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cur_x = 0;
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else
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if (cur_x > (total_x - viewport_x))
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cur_x = total_x - viewport_x;
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SP->sb_cur_x = cur_x / font_width;
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XawScrollbarSetThumb(w, (double)((double)cur_x / (double)total_x),
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(double)((double)viewport_x / (double)total_x));
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}
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void XC_thumb_up_down(Widget w, XtPointer client_data, XtPointer call_data)
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{
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double percent = *(double *) call_data;
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double total_y = (double)SP->sb_total_y;
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double viewport_y = (double)SP->sb_viewport_y;
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int cur_y = SP->sb_cur_y;
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/* If the size of the viewport is > overall area simply return,
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as no scrolling is permitted. */
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if (SP->sb_viewport_y >= SP->sb_total_y)
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return;
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if ((SP->sb_cur_y = (int)((double)total_y * percent)) >=
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(total_y - viewport_y))
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SP->sb_cur_y = total_y - viewport_y;
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XawScrollbarSetThumb(w, (double)(cur_y / total_y),
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(double)(viewport_y / total_y));
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}
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void XC_thumb_left_right(Widget w, XtPointer client_data, XtPointer call_data)
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{
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double percent = *(double *) call_data;
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double total_x = (double)SP->sb_total_x;
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double viewport_x = (double)SP->sb_viewport_x;
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int cur_x = SP->sb_cur_x;
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if (SP->sb_viewport_x >= SP->sb_total_x)
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return;
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if ((SP->sb_cur_x = (int)((float)total_x * percent)) >=
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(total_x - viewport_x))
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SP->sb_cur_x = total_x - viewport_x;
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XawScrollbarSetThumb(w, (double)(cur_x / total_x),
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(double)(viewport_x / total_x));
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}
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/* sb_init() is the sb initialization routine.
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This must be called before initscr(). */
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129
x11/x11.c
129
x11/x11.c
@@ -19,12 +19,6 @@ typedef char * XPointer;
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XCursesAppData xc_app_data;
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#if NeedWidePrototypes
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# define PDC_SCROLLBAR_TYPE double
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#else
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# define PDC_SCROLLBAR_TYPE float
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#endif
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#define COLOR_CURSOR PDC_MAXCOL /* color of cursor */
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#define COLOR_BORDER PDC_MAXCOL + 1 /* color of border */
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@@ -452,27 +446,6 @@ static void _initialize_colors(void)
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colors[COLOR_BORDER] = xc_app_data.borderColor;
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}
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void XC_refresh_scrollbar(void)
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{
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PDC_LOG(("XC_refresh_scrollbar() - called\n"));
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if (SP->sb_on)
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{
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PDC_SCROLLBAR_TYPE total_y = SP->sb_total_y;
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PDC_SCROLLBAR_TYPE total_x = SP->sb_total_x;
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if (total_y)
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XawScrollbarSetThumb(scrollVert,
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(PDC_SCROLLBAR_TYPE)(SP->sb_cur_y) / total_y,
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(PDC_SCROLLBAR_TYPE)(SP->sb_viewport_y) / total_y);
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if (total_x)
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XawScrollbarSetThumb(scrollHoriz,
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(PDC_SCROLLBAR_TYPE)(SP->sb_cur_x) / total_x,
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(PDC_SCROLLBAR_TYPE)(SP->sb_viewport_x) / total_x);
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}
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}
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static void _set_cursor_color(chtype *ch, short *fore, short *back)
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{
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int attr;
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@@ -798,99 +771,6 @@ static void XCursesButton(Widget w, XEvent *event, String *params,
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{
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}
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static void _scroll_up_down(Widget w, XtPointer client_data,
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XtPointer call_data)
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{
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int pixels = (long) call_data;
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int total_y = SP->sb_total_y * font_height;
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int viewport_y = SP->sb_viewport_y * font_height;
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int cur_y = SP->sb_cur_y * font_height;
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/* When pixels is negative, right button pressed, move data down,
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thumb moves up. Otherwise, left button pressed, pixels positive,
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move data up, thumb down. */
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cur_y += pixels;
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/* limit panning to size of overall */
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if (cur_y < 0)
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cur_y = 0;
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else
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if (cur_y > (total_y - viewport_y))
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cur_y = total_y - viewport_y;
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SP->sb_cur_y = cur_y / font_height;
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XawScrollbarSetThumb(w, (double)((double)cur_y / (double)total_y),
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(double)((double)viewport_y / (double)total_y));
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}
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static void _scroll_left_right(Widget w, XtPointer client_data,
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XtPointer call_data)
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{
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int pixels = (long) call_data;
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int total_x = SP->sb_total_x * font_width;
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int viewport_x = SP->sb_viewport_x * font_width;
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int cur_x = SP->sb_cur_x * font_width;
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cur_x += pixels;
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/* limit panning to size of overall */
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if (cur_x < 0)
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cur_x = 0;
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else
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if (cur_x > (total_x - viewport_x))
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cur_x = total_x - viewport_x;
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SP->sb_cur_x = cur_x / font_width;
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XawScrollbarSetThumb(w, (double)((double)cur_x / (double)total_x),
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(double)((double)viewport_x / (double)total_x));
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}
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static void _thumb_up_down(Widget w, XtPointer client_data,
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XtPointer call_data)
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{
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double percent = *(double *) call_data;
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double total_y = (double)SP->sb_total_y;
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double viewport_y = (double)SP->sb_viewport_y;
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int cur_y = SP->sb_cur_y;
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/* If the size of the viewport is > overall area simply return,
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as no scrolling is permitted. */
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if (SP->sb_viewport_y >= SP->sb_total_y)
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return;
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if ((SP->sb_cur_y = (int)((double)total_y * percent)) >=
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(total_y - viewport_y))
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SP->sb_cur_y = total_y - viewport_y;
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XawScrollbarSetThumb(w, (double)(cur_y / total_y),
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(double)(viewport_y / total_y));
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}
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static void _thumb_left_right(Widget w, XtPointer client_data,
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XtPointer call_data)
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{
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double percent = *(double *) call_data;
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double total_x = (double)SP->sb_total_x;
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double viewport_x = (double)SP->sb_viewport_x;
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int cur_x = SP->sb_cur_x;
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if (SP->sb_viewport_x >= SP->sb_total_x)
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return;
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if ((SP->sb_cur_x = (int)((float)total_x * percent)) >=
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(total_x - viewport_x))
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SP->sb_cur_x = total_x - viewport_x;
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XawScrollbarSetThumb(w, (double)(cur_x / total_x),
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(double)(viewport_x / total_x));
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}
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void XCursesExit(void)
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{
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if (icon_pixmap)
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@@ -1149,16 +1029,17 @@ int XCursesSetupX(int argc, char *argv[])
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XtorientVertical, XtNheight, window_height, XtNwidth,
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xc_app_data.scrollbarWidth, NULL);
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XtAddCallback(scrollVert, XtNscrollProc, _scroll_up_down, drawing);
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XtAddCallback(scrollVert, XtNjumpProc, _thumb_up_down, drawing);
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XtAddCallback(scrollVert, XtNscrollProc, XC_scroll_up_down, drawing);
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XtAddCallback(scrollVert, XtNjumpProc, XC_thumb_up_down, drawing);
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scrollHoriz = XtVaCreateManagedWidget("scrollHoriz",
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scrollbarWidgetClass, scrollBox, XtNorientation,
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XtorientHorizontal, XtNwidth, window_width, XtNheight,
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xc_app_data.scrollbarWidth, NULL);
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XtAddCallback(scrollHoriz, XtNscrollProc, _scroll_left_right, drawing);
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XtAddCallback(scrollHoriz, XtNjumpProc, _thumb_left_right, drawing);
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XtAddCallback(scrollHoriz, XtNscrollProc, XC_scroll_left_right,
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drawing);
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XtAddCallback(scrollHoriz, XtNjumpProc, XC_thumb_left_right, drawing);
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}
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else
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{
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