403 lines
11 KiB
C
403 lines
11 KiB
C
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/** \file
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* \brief Zbox Control.
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*
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* See Copyright Notice in "iup.h"
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "iup.h"
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#include "iupcbs.h"
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#include "iup_object.h"
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#include "iup_attrib.h"
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#include "iup_str.h"
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#include "iup_drv.h"
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#include "iup_drvfont.h"
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#include "iup_stdcontrols.h"
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#include "iup_layout.h"
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#include "iup_varg.h"
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enum{IZBOX_ALIGN_NORTH, IZBOX_ALIGN_SOUTH, IZBOX_ALIGN_WEST, IZBOX_ALIGN_EAST,
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IZBOX_ALIGN_NE, IZBOX_ALIGN_SE, IZBOX_ALIGN_NW, IZBOX_ALIGN_SW,
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IZBOX_ALIGN_ACENTER};
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struct _IcontrolData
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{
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int alignment;
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Ihandle* value_handle;
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};
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static int iZboxCreateMethod(Ihandle* ih, void** params)
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{
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ih->data = iupALLOCCTRLDATA();
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ih->data->alignment = IZBOX_ALIGN_NW;
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if (params)
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{
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Ihandle** iparams = (Ihandle**)params;
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while (*iparams)
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{
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IupAppend(ih, *iparams);
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iparams++;
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}
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}
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return IUP_NOERROR;
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}
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static void iZboxChildAddedMethod(Ihandle* ih, Ihandle* child)
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{
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/* make sure it has at least one name */
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if (!iupAttribGetHandleName(child))
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iupAttribSetHandleName(child);
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if (!ih->data->value_handle)
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{
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IupSetAttribute(child, "VISIBLE", IupGetAttribute(ih, "VISIBLE"));
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ih->data->value_handle = child;
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}
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else
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IupSetAttribute(child, "VISIBLE", "NO");
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}
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static void iZboxChildRemovedMethod(Ihandle* ih, Ihandle* child, int pos)
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{
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(void)pos;
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if (child == ih->data->value_handle)
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{
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/* reset to the first child, even if it is NULL */
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if (ih->firstchild)
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IupSetAttribute(ih->firstchild, "VISIBLE", IupGetAttribute(ih, "VISIBLE"));
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ih->data->value_handle = ih->firstchild;
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if (!iupAttribGetBoolean(ih, "CHILDSIZEALL"))
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IupRefresh(ih);
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}
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}
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static int iZboxSetAlignmentAttrib(Ihandle* ih, const char* value)
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{
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if (iupStrEqualNoCase(value, "NORTH") || iupStrEqualNoCase(value, "ATOP"))
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ih->data->alignment = IZBOX_ALIGN_NORTH;
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else if (iupStrEqualNoCase(value, "SOUTH") || iupStrEqualNoCase(value, "ABOTTOM"))
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ih->data->alignment = IZBOX_ALIGN_SOUTH;
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else if (iupStrEqualNoCase(value, "WEST") || iupStrEqualNoCase(value, "ALEFT"))
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ih->data->alignment = IZBOX_ALIGN_WEST;
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else if (iupStrEqualNoCase(value, "EAST") || iupStrEqualNoCase(value, "ARIGHT"))
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ih->data->alignment = IZBOX_ALIGN_EAST;
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else if (iupStrEqualNoCase(value, "NE"))
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ih->data->alignment = IZBOX_ALIGN_NE;
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else if (iupStrEqualNoCase(value, "SE"))
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ih->data->alignment = IZBOX_ALIGN_SE;
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else if (iupStrEqualNoCase(value, "NW"))
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ih->data->alignment = IZBOX_ALIGN_NW;
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else if (iupStrEqualNoCase(value, "SW"))
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ih->data->alignment = IZBOX_ALIGN_SW;
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else if (iupStrEqualNoCase(value, "ACENTER"))
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ih->data->alignment = IZBOX_ALIGN_ACENTER;
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return 0;
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}
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static char* iZboxGetAlignmentAttrib(Ihandle* ih)
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{
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static char* align2str[9] = {"NORTH", "SOUTH", "WEST", "EAST",
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"NE", "SE", "NW", "SW",
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"ACENTER"};
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return align2str[ih->data->alignment];
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}
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static int iZboxSetValueHandleAttrib(Ihandle* ih, const char* value)
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{
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int visible;
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Ihandle* old_handle, *new_handle, *child;
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new_handle = (Ihandle*)value;
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if (!iupObjectCheck(new_handle))
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return 0;
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old_handle = ih->data->value_handle;
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if (!iupObjectCheck(old_handle))
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old_handle = NULL;
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if (old_handle == new_handle)
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return 0;
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visible = IupGetInt(ih, "VISIBLE");
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for (child = ih->firstchild; child; child = child->brother)
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{
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if (child == new_handle) /* found child */
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{
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if (old_handle && old_handle != new_handle)
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IupSetAttribute(old_handle, "VISIBLE", "NO");
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IupSetAttribute(new_handle, "VISIBLE", visible? "YES": "NO");
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ih->data->value_handle = new_handle;
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if (!iupAttribGetBoolean(ih, "CHILDSIZEALL"))
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IupRefresh(ih);
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return 0;
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}
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}
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return 0;
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}
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static char* iZboxGetValueHandleAttrib(Ihandle* ih)
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{
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return (char*)(ih->data->value_handle);
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}
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static int iZboxSetValuePosAttrib(Ihandle* ih, const char* value)
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{
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Ihandle* child;
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int pos, i;
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if (!iupStrToInt(value, &pos))
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return 0;
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for (i=0, child=ih->firstchild; child; child = child->brother, i++)
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{
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if (i == pos) /* found child */
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{
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iZboxSetValueHandleAttrib(ih, (char*)child);
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return 0;
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}
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}
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return 0;
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}
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static char* iZboxGetValuePosAttrib(Ihandle* ih)
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{
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Ihandle* child;
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int pos;
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if (!iupObjectCheck(ih->data->value_handle))
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return NULL;
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for (pos=0, child = ih->firstchild; child; child = child->brother, pos++)
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{
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if (child == ih->data->value_handle) /* found child */
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return iupStrReturnInt(pos);
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}
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return NULL;
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}
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static int iZboxSetValueAttrib(Ihandle* ih, const char* value)
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{
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Ihandle *new_handle;
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if (!value)
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return 0;
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new_handle = IupGetHandle(value);
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if (!new_handle)
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return 0;
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iZboxSetValueHandleAttrib(ih, (char*)new_handle);
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return 0;
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}
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static char* iZboxGetValueAttrib(Ihandle* ih)
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{
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Ihandle* child;
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int pos;
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if (!iupObjectCheck(ih->data->value_handle))
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return NULL;
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for (pos=0, child = ih->firstchild; child; child = child->brother, pos++)
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{
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if (child == ih->data->value_handle) /* found child, just checking */
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return IupGetName(ih->data->value_handle); /* Name is guarantied at AddedMethod */
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}
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return NULL;
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}
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static int iZboxSetVisibleAttrib(Ihandle* ih, const char* value)
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{
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if (iupObjectCheck(ih->data->value_handle))
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IupSetAttribute(ih->data->value_handle, "VISIBLE", (char*)value);
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return 1; /* must be 1 to mark when set at the element */
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}
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static void iZboxComputeNaturalSizeMethod(Ihandle* ih, int *w, int *h, int *children_expand)
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{
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Ihandle* child;
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int children_naturalwidth, children_naturalheight;
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int childSizeAll = iupAttribGetBoolean(ih, "CHILDSIZEALL");
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/* calculate total children natural size (even for hidden children) */
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children_naturalwidth = 0;
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children_naturalheight = 0;
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for (child = ih->firstchild; child; child = child->brother)
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{
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/* update child natural size first */
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if (!(child->flags & IUP_FLOATING_IGNORE))
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iupBaseComputeNaturalSize(child);
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if (!childSizeAll && child != ih->data->value_handle)
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continue;
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if (!(child->flags & IUP_FLOATING))
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{
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*children_expand |= child->expand;
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children_naturalwidth = iupMAX(children_naturalwidth, child->naturalwidth);
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children_naturalheight = iupMAX(children_naturalheight, child->naturalheight);
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}
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}
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*w = children_naturalwidth;
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*h = children_naturalheight;
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}
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static void iZboxSetChildrenCurrentSizeMethod(Ihandle* ih, int shrink)
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{
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Ihandle* child;
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for (child = ih->firstchild; child; child = child->brother)
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{
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if (!(child->flags & IUP_FLOATING))
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iupBaseSetCurrentSize(child, ih->currentwidth, ih->currentheight, shrink);
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}
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}
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static void iZboxSetChildrenPositionMethod(Ihandle* ih, int x, int y)
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{
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int dx = 0, dy = 0;
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Ihandle* child;
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for (child = ih->firstchild; child; child = child->brother)
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{
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if (!(child->flags & IUP_FLOATING))
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{
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switch (ih->data->alignment)
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{
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case IZBOX_ALIGN_ACENTER:
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dx=(ih->currentwidth-child->currentwidth)/2;
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dy=(ih->currentheight-child->currentheight)/2;
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break;
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case IZBOX_ALIGN_NORTH:
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dx=(ih->currentwidth-child->currentwidth)/2;
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dy=0;
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break;
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case IZBOX_ALIGN_SOUTH:
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dx=(ih->currentwidth-child->currentwidth)/2;
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dy=ih->currentheight-child->currentheight;
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break;
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case IZBOX_ALIGN_WEST:
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dx=0;
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dy=(ih->currentheight-child->currentheight)/2;
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break;
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case IZBOX_ALIGN_EAST:
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dx=ih->currentwidth-child->currentwidth;
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dy=(ih->currentheight-child->currentheight)/2;
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break;
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case IZBOX_ALIGN_NE:
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dx=ih->currentwidth-child->currentwidth;
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dy=0;
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break;
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case IZBOX_ALIGN_SE:
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dx=ih->currentwidth-child->currentwidth;
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dy=ih->currentheight-child->currentheight;
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break;
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case IZBOX_ALIGN_SW:
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dx=0;
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dy=ih->currentheight-child->currentheight;
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break;
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case IZBOX_ALIGN_NW:
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default:
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dx=0;
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dy=0;
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break;
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}
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if (dx<0) dx = 0;
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if (dy<0) dy = 0;
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/* update child */
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iupBaseSetPosition(child, x+dx, y+dy);
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}
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}
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}
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/******************************************************************************/
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IUP_API Ihandle* IupZboxv(Ihandle **children)
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{
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return IupCreatev("zbox", (void**)children);
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}
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IUP_API Ihandle* IupZboxV(Ihandle* child, va_list arglist)
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{
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return IupCreateV("zbox", child, arglist);
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}
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IUP_API Ihandle* IupZbox(Ihandle* child, ...)
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{
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Ihandle *ih;
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va_list arglist;
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va_start(arglist, child);
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ih = IupCreateV("zbox", child, arglist);
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va_end(arglist);
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return ih;
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}
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Iclass* iupZboxNewClass(void)
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{
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Iclass* ic = iupClassNew(NULL);
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ic->name = "zbox";
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ic->format = "g"; /* array of Ihandle */
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ic->nativetype = IUP_TYPEVOID;
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ic->childtype = IUP_CHILDMANY; /* can have children */
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ic->is_interactive = 0;
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/* Class functions */
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ic->New = iupZboxNewClass;
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ic->Create = iZboxCreateMethod;
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ic->Map = iupBaseTypeVoidMapMethod;
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ic->ChildAdded = iZboxChildAddedMethod;
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ic->ChildRemoved = iZboxChildRemovedMethod;
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ic->ComputeNaturalSize = iZboxComputeNaturalSizeMethod;
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ic->SetChildrenCurrentSize = iZboxSetChildrenCurrentSizeMethod;
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ic->SetChildrenPosition = iZboxSetChildrenPositionMethod;
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/* Base Callbacks */
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iupBaseRegisterBaseCallbacks(ic);
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/* Common */
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iupBaseRegisterCommonAttrib(ic);
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/* Base Container */
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iupClassRegisterAttribute(ic, "EXPAND", iupBaseContainerGetExpandAttrib, NULL, IUPAF_SAMEASSYSTEM, "YES", IUPAF_NOT_MAPPED|IUPAF_NO_INHERIT);
|
||
|
|
iupClassRegisterAttribute(ic, "CLIENTSIZE", iupBaseGetClientSizeAttrib, NULL, NULL, NULL, IUPAF_READONLY|IUPAF_NOT_MAPPED|IUPAF_NO_INHERIT);
|
||
|
|
iupClassRegisterAttribute(ic, "CLIENTOFFSET", iupBaseGetClientOffsetAttrib, NULL, NULL, NULL, IUPAF_READONLY|IUPAF_NOT_MAPPED|IUPAF_NO_INHERIT);
|
||
|
|
|
||
|
|
/* Zbox only */
|
||
|
|
iupClassRegisterAttribute(ic, "ALIGNMENT", iZboxGetAlignmentAttrib, iZboxSetAlignmentAttrib, IUPAF_SAMEASSYSTEM, "NW", IUPAF_NOT_MAPPED|IUPAF_NO_INHERIT);
|
||
|
|
iupClassRegisterAttribute(ic, "VALUE", iZboxGetValueAttrib, iZboxSetValueAttrib, NULL, NULL, IUPAF_NOT_MAPPED|IUPAF_NO_INHERIT);
|
||
|
|
iupClassRegisterAttribute(ic, "VALUEPOS", iZboxGetValuePosAttrib, iZboxSetValuePosAttrib, NULL, NULL, IUPAF_NOT_MAPPED|IUPAF_NO_INHERIT);
|
||
|
|
iupClassRegisterAttribute(ic, "VALUE_HANDLE", iZboxGetValueHandleAttrib, iZboxSetValueHandleAttrib, NULL, NULL, IUPAF_NOT_MAPPED | IUPAF_NO_INHERIT | IUPAF_IHANDLE | IUPAF_NO_STRING);
|
||
|
|
iupClassRegisterAttribute(ic, "CHILDSIZEALL", NULL, NULL, IUPAF_SAMEASSYSTEM, "Yes", IUPAF_NO_INHERIT);
|
||
|
|
|
||
|
|
/* Intercept VISIBLE since ZBOX works by showing and hiding its children */
|
||
|
|
iupClassRegisterAttribute(ic, "VISIBLE", NULL, iZboxSetVisibleAttrib, IUPAF_SAMEASSYSTEM, "YES", IUPAF_NO_SAVE|IUPAF_NOT_MAPPED);
|
||
|
|
|
||
|
|
return ic;
|
||
|
|
}
|