diff options
Diffstat (limited to 'payloads/libpayload/curses/PDCurses-3.4/x11/ScrollBox.c')
| -rw-r--r-- | payloads/libpayload/curses/PDCurses-3.4/x11/ScrollBox.c | 321 |
1 files changed, 321 insertions, 0 deletions
diff --git a/payloads/libpayload/curses/PDCurses-3.4/x11/ScrollBox.c b/payloads/libpayload/curses/PDCurses-3.4/x11/ScrollBox.c new file mode 100644 index 0000000000..48ea38fd6c --- /dev/null +++ b/payloads/libpayload/curses/PDCurses-3.4/x11/ScrollBox.c @@ -0,0 +1,321 @@ +/* + * Copyright 1989 O'Reilly and Associates, Inc. + + The X Consortium, and any party obtaining a copy of these files from + the X Consortium, directly or indirectly, is granted, free of charge, a + full and unrestricted irrevocable, world-wide, paid up, royalty-free, + nonexclusive right and license to deal in this software and + documentation files (the "Software"), including without limitation the + rights to use, copy, modify, merge, publish, distribute, sublicense, + and/or sell copies of the Software, and to permit persons who receive + copies from any such party to do so. This license includes without + limitation a license to do the foregoing actions under any patents of + the party supplying this software to the X Consortium. + + $Id: ScrollBox.c,v 1.15 2008/07/14 04:24:52 wmcbrine Exp $ + */ + +/* ScrollBox.c - scrollBox composite widget */ + +#include <X11/IntrinsicP.h> +#include <X11/StringDefs.h> +#include <X11/Shell.h> + +#include "x11/ScrollBoxP.h" + +#include <stdio.h> + +#define INITIAL_WIDTH 300 +#define INITIAL_HEIGHT 300 + +/************************************************************************ + * * + * scrollBox Resources * + * * + ************************************************************************/ + +static XtResource resources[] = +{ + { XtNhSpace, XtCHSpace, XtRDimension, sizeof(Dimension), + XtOffset(ScrollBoxWidget, scrollBox.h_space), + XtRImmediate, (XtPointer)4 }, + { XtNvSpace, XtCVSpace, XtRDimension, sizeof(Dimension), + XtOffset(ScrollBoxWidget, scrollBox.v_space), + XtRImmediate, (XtPointer)4 }, + { XtNheightInc, XtCHeightInc, XtRDimension, sizeof(Dimension), + XtOffset(ScrollBoxWidget, scrollBox.increment_height), + XtRImmediate, (XtPointer)13 }, + { XtNwidthInc, XtCWidthInc, XtRDimension, sizeof(Dimension), + XtOffset(ScrollBoxWidget, scrollBox.increment_width), + XtRImmediate, (XtPointer)7 }, +}; + +/************************************************************************ + * * + * Full class record constant * + * * + ************************************************************************/ + +static void Initialize(Widget, Widget, ArgList, Cardinal *); +static void Resize(Widget); +static Boolean SetValues(Widget, Widget, Widget, ArgList, Cardinal *); +static void ChangeManaged(Widget); +static XtGeometryResult QueryGeometry(Widget, XtWidgetGeometry *, + XtWidgetGeometry *); +static XtGeometryResult GeometryManager(Widget, XtWidgetGeometry *, + XtWidgetGeometry *); +static void RefigureLocations(Widget); + +ScrollBoxClassRec scrollBoxClassRec = { + { + /* core_class fields */ + /* superclass */ (WidgetClass) &compositeClassRec, + /* class_name */ "scrollBox", + /* widget_size */ sizeof(ScrollBoxRec), + /* class_initialize */ NULL, + /* class_part_init */ NULL, + /* class_inited */ FALSE, + /* initialize */ Initialize, + /* initialize_hook */ NULL, + /* realize */ XtInheritRealize, + /* actions */ NULL, + /* num_actions */ 0, + /* resources */ resources, + /* num_resources */ XtNumber(resources), + /* xrm_class */ NULLQUARK, + /* compress_motion */ TRUE, + /* compress_exposure */ TRUE, + /* compress_enterleave */ TRUE, + /* visible_interest */ FALSE, + /* destroy */ NULL, + /* resize */ Resize, + /* expose */ NULL, + /* set_values */ SetValues, + /* set_values_hook */ NULL, + /* set_values_almost */ XtInheritSetValuesAlmost, + /* get_values_hook */ NULL, + /* accept_focus */ NULL, + /* version */ XtVersion, + /* callback_private */ NULL, + /* tm_table */ NULL, + /* query_geometry */ QueryGeometry, + /* display_accelerator */ XtInheritDisplayAccelerator, + /* extension */ NULL + },{ + /* composite_class fields */ + /* geometry_manager */ GeometryManager, + /* change_managed */ ChangeManaged, + /* insert_child */ XtInheritInsertChild, + /* delete_child */ XtInheritDeleteChild, + /* extension */ NULL + },{ + /* scrollBox class fields */ + /* empty */ 0, + } +}; + +WidgetClass scrollBoxWidgetClass = (WidgetClass)&scrollBoxClassRec; + + +/************************************************************************ + * * + * Private Routines * + * * + ************************************************************************/ + +/* Do a layout, either actually assigning positions, or just + calculating size. */ + +static void DoLayout(Widget w, Boolean doit) +{ + ScrollBoxWidget sbw = (ScrollBoxWidget)w; + Widget wmain, vscroll, hscroll, child; + Dimension mw, mh; /* main window */ + Dimension vh; /* vertical scrollbar length (height) */ + Dimension hw; /* horizontal scrollbar length (width) */ + Position vx; + Position hy; + Cardinal i; + + if (sbw->composite.num_children != 3) + XtAppError(XtWidgetToApplicationContext(w), + "ScrollBox: must manage exactly three widgets."); + + for (i = 0; i < sbw->composite.num_children; i++) + { + child = sbw->composite.children[i]; + + if (!XtIsManaged(child)) + XtAppError(XtWidgetToApplicationContext(w), + "ScrollBox: all three widgets must be managed."); + } + + /* Child one is the main window, two is the vertical scrollbar, + and three is the horizontal scrollbar. */ + + wmain = sbw->composite.children[0]; + vscroll = sbw->composite.children[1]; + hscroll = sbw->composite.children[2]; + + /* Size all three widgets so that space is fully utilized. */ + + mw = sbw->core.width - (2 * sbw->scrollBox.h_space) - + vscroll->core.width - (2 * vscroll->core.border_width) - + (2 * wmain->core.border_width); + + mh = sbw->core.height - (2 * sbw->scrollBox.v_space) - + hscroll->core.height - (2 * hscroll->core.border_width) - + (2 * wmain->core.border_width); + + /* Force the main window to be sized to the appropriate increment. */ + + mw = (mw / sbw->scrollBox.increment_width) * + sbw->scrollBox.increment_width; + + mh = ((mh / sbw->scrollBox.increment_height) * + sbw->scrollBox.increment_height) + + sbw->scrollBox.increment_height; + + vx = wmain->core.x + mw + sbw->scrollBox.h_space + + wmain->core.border_width + vscroll->core.border_width; + + hy = wmain->core.y + mh + sbw->scrollBox.v_space + + wmain->core.border_width + hscroll->core.border_width; + + vh = mh; /* scrollbars are always same length as main window */ + hw = mw; + + if (doit) + { + XtResizeWidget(wmain, mw, mh, 1); + + XtResizeWidget(vscroll, vscroll->core.width, vh, 1); + XtMoveWidget(vscroll, vx, vscroll->core.y); + + XtResizeWidget(hscroll, hw, hscroll->core.height, 1); + XtMoveWidget(hscroll, hscroll->core.x, hy); + } +} + +static XtGeometryResult GeometryManager(Widget w, XtWidgetGeometry *request, + XtWidgetGeometry *reply) +{ + XtWidgetGeometry allowed; + + if (request->request_mode & ~(XtCWQueryOnly | CWWidth | CWHeight)) + return XtGeometryNo; + + if (request->request_mode & CWWidth) + allowed.width = request->width; + else + allowed.width = w->core.width; + + if (request->request_mode & CWHeight) + allowed.height = request->height; + else + allowed.height = w->core.height; + + if (allowed.width == w->core.width && allowed.height == w->core.height) + return XtGeometryNo; + + if (!(request->request_mode & XtCWQueryOnly)) + RefigureLocations(w); + + return XtGeometryYes; +} + +static void RefigureLocations(Widget w) +{ + DoLayout(w, False); +} + +/* Calculate preferred size. We can't just use the current sizes + of the children, because that calculation would always end up with + our current size. Could query each child, and use that size to + recalculate a size for us, then if it ends up being larger than width + and height passed in, accept bounding box. However, we know our + children and they don't have any particular preferred geometry, + except the bigger the better. Therefore, if the parent suggested a + size, we'll take it. */ + +static XtGeometryResult QueryGeometry(Widget w, XtWidgetGeometry *request, + XtWidgetGeometry *reply_return) +{ + XtGeometryResult result=XtGeometryNo; + + request->request_mode &= CWWidth | CWHeight; + + /* parent isn't going to change w or h, so nothing to re-compute */ + + if (request->request_mode == 0) + return XtGeometryYes; + + /* if proposed size is large enough, accept it. Otherwise, suggest + our arbitrary initial size. */ + + if (request->request_mode & CWHeight) + { + if (request->height < INITIAL_HEIGHT) + { + result = XtGeometryAlmost; + reply_return->height = INITIAL_HEIGHT; + reply_return->request_mode &= CWHeight; + } + else + result = XtGeometryYes; + } + + if (request->request_mode & CWWidth) + { + if (request->width < INITIAL_WIDTH) + { + result = XtGeometryAlmost; + reply_return->width = INITIAL_WIDTH; + reply_return->request_mode &= CWWidth; + } + else + result = XtGeometryYes; + } + + return result; +} + +/* Actually layout the scrollBox */ + +static void Resize(Widget w) +{ + DoLayout(w, True); +} + +static void ChangeManaged(Widget w) +{ + DoLayout(w, True); +} + +static void Initialize(Widget request, Widget new, + ArgList args, Cardinal *num_args) +{ + ScrollBoxWidget newsbw = (ScrollBoxWidget)new; + + if (newsbw->core.width == 0) + newsbw->core.width = INITIAL_WIDTH; + + if (newsbw->core.height == 0) + newsbw->core.height = INITIAL_HEIGHT; + +} + +static Boolean SetValues(Widget current, Widget request, Widget new, + ArgList args, Cardinal *num_args) +{ + ScrollBoxWidget sbwcurrent = (ScrollBoxWidget)current; + ScrollBoxWidget sbwnew = (ScrollBoxWidget)new; + + /* need to relayout if h_space or v_space change */ + + if ((sbwnew->scrollBox.h_space != sbwcurrent->scrollBox.h_space) || + (sbwnew->scrollBox.v_space != sbwcurrent->scrollBox.v_space)) + DoLayout(new, True); + + return False; +} |