iup-stack/iup/src/iup_dropbutton.c

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2023-02-20 16:44:45 +00:00
/** \file
* \brief DropButton Control
*
* See Copyright Notice in "iup.h"
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <memory.h>
#include <stdarg.h>
#include "iup.h"
#include "iupcbs.h"
#include "iup_object.h"
#include "iup_attrib.h"
#include "iup_str.h"
#include "iup_drv.h"
#include "iup_drvfont.h"
#include "iup_image.h"
#include "iup_stdcontrols.h"
#include "iup_register.h"
#include "iup_drvdraw.h"
#include "iup_drvinfo.h"
#include "iup_draw.h"
#include "iup_key.h"
struct _IcontrolData
{
iupCanvas canvas; /* from IupCanvas (must reserve it) */
/* attributes */
int horiz_padding, vert_padding; /* button margin */
int spacing, img_position; /* used when both text and image are displayed */
int horiz_alignment, vert_alignment;
int border_width;
int arrow_size, arrow_padding;
/* draw aux - state */
int has_focus,
highlighted,
pressed,
over_arrow,
dropped,
close_on_focus;
Ihandle* dropchild;
Ihandle* dropdialog;
};
enum { IUP_POS_BOTTOMLEFT, IUP_POS_TOPLEFT, IUP_POS_BOTTOMRIGHT, IUP_POS_TOPRIGHT };
/****************************************************************/
static int iDropButtonRedraw_CB(Ihandle* ih)
{
const char *image = iupAttribGet(ih, "IMAGE");
char* title = iupAttribGet(ih, "TITLE");
int active = IupGetInt(ih, "ACTIVE"); /* native implementation */
char* fgcolor = iupAttribGetStr(ih, "FGCOLOR");
char* bgcolor = iupAttribGet(ih, "BGCOLOR"); /* don't get with default value, if NULL will use from parent */
char* bgimage = iupAttribGet(ih, "BACKIMAGE");
char* fgimage = iupAttribGet(ih, "FRONTIMAGE");
int text_flags = iupDrawGetTextFlags(ih, "TEXTALIGNMENT", "TEXTWRAP", "TEXTELLIPSIS");
double text_orientation = iupAttribGetDouble(ih, "TEXTORIENTATION");
const char* draw_image;
int border_width = ih->data->border_width;
int draw_border = iupAttribGetBoolean(ih, "SHOWBORDER");
int image_pressed;
int drop_onarrow = iupAttribGetBoolean(ih, "DROPONARROW");
int arrow_active = iupAttribGetBoolean(ih, "ARROWACTIVE");
int arrow_images = iupAttribGetInt(ih, "ARROWIMAGES");
int focus_feedback = iupAttribGetBoolean(ih, "FOCUSFEEDBACK");
IdrawCanvas* dc = iupdrvDrawCreateCanvas(ih);
int make_inactive = 0, arrow_x, arrow_y;
char* bgcolor_button, *bgcolor_arrow, *arrow_align;
iupDrawParentBackground(dc, ih);
if (!bgcolor)
{
if (draw_border)
bgcolor = iupFlatGetDarkerBgColor(ih);
else
bgcolor = iupBaseNativeParentGetBgColorAttrib(ih);
}
if (arrow_active && !active)
arrow_active = 0;
if (arrow_active && !ih->data->dropchild)
arrow_active = 0;
bgcolor_button = bgcolor;
bgcolor_arrow = bgcolor;
if ((ih->data->pressed && ih->data->highlighted) || (ih->data->dropped && !ih->data->highlighted))
{
char* presscolor = iupAttribGetStr(ih, "PSCOLOR");
if (presscolor)
{
if (drop_onarrow && ih->data->over_arrow)
bgcolor_arrow = presscolor;
else
bgcolor_button = presscolor;
}
presscolor = iupAttribGetStr(ih, "TEXTPSCOLOR");
if (presscolor)
fgcolor = presscolor;
draw_border = 1;
}
else if (ih->data->highlighted)
{
char* hlcolor = iupAttribGetStr(ih, "HLCOLOR");
if (hlcolor)
{
if (drop_onarrow && ih->data->over_arrow)
bgcolor_arrow = hlcolor;
else
bgcolor_button = hlcolor;
}
hlcolor = iupAttribGetStr(ih, "TEXTHLCOLOR");
if (hlcolor)
fgcolor = hlcolor;
draw_border = 1;
}
if (!arrow_active)
bgcolor_arrow = bgcolor;
/* draw border - can still be removed by setting border_width=0 */
if (draw_border)
{
char* bordercolor = iupAttribGetStr(ih, "BORDERCOLOR");
if ((ih->data->pressed && ih->data->highlighted) || (ih->data->dropped && !ih->data->highlighted))
{
char* presscolor = iupAttribGetStr(ih, "BORDERPSCOLOR");
if (presscolor)
bordercolor = presscolor;
}
else if (ih->data->highlighted)
{
char* hlcolor = iupAttribGetStr(ih, "BORDERHLCOLOR");
if (hlcolor)
bordercolor = hlcolor;
}
if (drop_onarrow)
{
iupFlatDrawBorder(dc, 0, ih->currentwidth - 1 - ih->data->arrow_size,
0, ih->currentheight - 1,
border_width, bordercolor, bgcolor_button, active);
iupFlatDrawBorder(dc, ih->currentwidth - 1 - ih->data->arrow_size - border_width, ih->currentwidth - 1,
0, ih->currentheight - 1,
border_width, bordercolor, bgcolor_arrow, active);
}
else
{
iupFlatDrawBorder(dc, 0, ih->currentwidth - 1,
0, ih->currentheight - 1,
border_width, bordercolor, bgcolor_button, active);
}
}
/* simulate pressed when dropped and has images (but colors and borders are not included) */
image_pressed = ih->data->pressed && ih->data->highlighted;
if (ih->data->dropped && !ih->data->pressed && (bgimage || image))
image_pressed = 1;
/* draw background */
if (bgimage)
{
int backimage_zoom = iupAttribGetBoolean(ih, "BACKIMAGEZOOM");
draw_image = iupFlatGetImageName(ih, "BACKIMAGE", bgimage, image_pressed, ih->data->highlighted, 1, &make_inactive);
if (backimage_zoom)
iupdrvDrawImage(dc, draw_image, make_inactive, bgcolor, border_width, border_width, ih->currentwidth - border_width, ih->currentheight - border_width);
else
iupdrvDrawImage(dc, draw_image, make_inactive, bgcolor, border_width, border_width, -1, -1);
}
else
{
if (drop_onarrow)
{
iupFlatDrawBox(dc, border_width, ih->currentwidth - 1 - border_width - ih->data->arrow_size,
border_width, ih->currentheight - 1 - border_width,
bgcolor_button, NULL, 1); /* background is always active */
iupFlatDrawBox(dc, ih->currentwidth - 1 - ih->data->arrow_size + border_width, ih->currentwidth - 1 - border_width,
border_width, ih->currentheight - 1 - border_width,
bgcolor_arrow, NULL, 1); /* background is always active */
}
else
iupFlatDrawBox(dc, border_width, ih->currentwidth - 1 - border_width,
border_width, ih->currentheight - 1 - border_width,
bgcolor_button, NULL, 1); /* background is always active */
}
/* reserve space for focus feedback (after background draw) */
if (iupAttribGetBoolean(ih, "CANFOCUS") && focus_feedback)
border_width++;
draw_image = iupFlatGetImageName(ih, "IMAGE", image, image_pressed, ih->data->highlighted, active, &make_inactive);
iupFlatDrawIcon(ih, dc, border_width, border_width,
ih->currentwidth - 2 * border_width - ih->data->arrow_size, ih->currentheight - 2 * border_width,
ih->data->img_position, ih->data->spacing, ih->data->horiz_alignment, ih->data->vert_alignment, ih->data->horiz_padding, ih->data->vert_padding,
draw_image, make_inactive, title, text_flags, text_orientation, fgcolor, bgcolor_button, active);
if (fgimage)
{
draw_image = iupFlatGetImageName(ih, "FRONTIMAGE", fgimage, image_pressed, ih->data->highlighted, active, &make_inactive);
iupdrvDrawImage(dc, draw_image, make_inactive, bgcolor, border_width, border_width, -1, -1);
}
else if (!image && !title) /* color only button */
{
int space = border_width + 2;
iupFlatDrawBorder(dc, space, ih->currentwidth - 1 - space - ih->data->arrow_size,
space, ih->currentheight - 1 - space,
1, "0 0 0", bgcolor_button, active);
space++;
iupFlatDrawBox(dc, space, ih->currentwidth - 1 - space - ih->data->arrow_size,
space, ih->currentheight - 1 - space,
fgcolor, bgcolor_button, active);
}
arrow_x = ih->currentwidth - 1 - ih->data->arrow_size - border_width + ih->data->arrow_padding;
arrow_y = (ih->currentheight - ih->data->arrow_size) / 2 + ih->data->arrow_padding;
arrow_align = iupAttribGet(ih, "ARROWALIGN");
if (arrow_align)
{
if (iupStrEqualNoCase(arrow_align, "TOP"))
arrow_y = ih->data->arrow_padding;
else if (iupStrEqualNoCase(arrow_align, "BOTTOM"))
arrow_y = ih->currentheight - ih->data->arrow_size - ih->data->arrow_padding;
}
if (arrow_images)
{
image = iupFlatGetImageName(ih, "ARROWIMAGE", NULL, arrow_active ? ih->data->pressed : 0, arrow_active ? ih->data->highlighted : 0, arrow_active, &make_inactive);
iupdrvDrawImage(dc, image, make_inactive, bgcolor, arrow_x, arrow_y, -1, -1);
}
else
{
char* arrow_color = iupAttribGet(ih, "ARROWCOLOR");
if (!arrow_color)
arrow_color = fgcolor;
iupFlatDrawArrow(dc, arrow_x, arrow_y, ih->data->arrow_size - 2 * ih->data->arrow_padding, arrow_color, bgcolor_arrow, arrow_active, IUPDRAW_ARROW_BOTTOM);
}
if (ih->data->has_focus && focus_feedback)
{
border_width--;
iupdrvDrawFocusRect(dc, border_width, border_width, ih->currentwidth - 1 - border_width, ih->currentheight - 1 - border_width);
}
iupdrvDrawFlush(dc);
iupdrvDrawKillCanvas(dc);
return IUP_DEFAULT;
}
static int iDropButtonGetDropPosition(Ihandle* ih)
{
char* value = iupAttribGetStr(ih, "DROPPOSITION");
if (iupStrEqualNoCase(value, "TOPLEFT"))
return IUP_POS_TOPLEFT;
if (iupStrEqualNoCase(value, "BOTTOMRIGHT"))
return IUP_POS_BOTTOMRIGHT;
if (iupStrEqualNoCase(value, "TOPRIGHT"))
return IUP_POS_TOPRIGHT;
return IUP_POS_BOTTOMLEFT;
}
static void iDropButtonShowDrop(Ihandle* ih)
{
IFni cb;
if (!ih->data->dropchild)
return;
cb = (IFni)IupGetCallback(ih, "DROPDOWN_CB");
if (cb)
cb(ih, ih->data->dropped);
if (ih->data->dropped)
{
int drop_pos = iDropButtonGetDropPosition(ih);
int x, y;
Ihandle* parent_dialog = IupGetAttributeHandle(ih->data->dropdialog, "PARENTDIALOG");
Ihandle* dialog = IupGetDialog(ih);
if (dialog != parent_dialog)
IupSetAttributeHandle(ih->data->dropdialog, "PARENTDIALOG", dialog);
x = IupGetInt(ih, "X");
y = IupGetInt(ih, "Y");
/* update drop dialog size before calc pos */
IupRefresh(ih->data->dropdialog);
switch (drop_pos)
{
case IUP_POS_TOPLEFT:
y -= ih->data->dropdialog->currentheight;
break;
case IUP_POS_BOTTOMRIGHT:
x += ih->currentwidth - ih->data->dropdialog->currentwidth;
y += ih->currentheight;
break;
case IUP_POS_TOPRIGHT:
x += ih->currentwidth - ih->data->dropdialog->currentwidth;
y -= ih->data->dropdialog->currentheight;
break;
default: /* IUP_POS_BOTTOMLEFT */
y += ih->currentheight;
break;
}
iupdrvRedrawNow(ih);
/* force current size to be updated during Show */
ih->data->dropdialog->currentwidth = 0;
ih->data->dropdialog->currentheight = 0;
IupShowXY(ih->data->dropdialog, x, y);
}
else
{
IupHide(ih->data->dropdialog);
iupdrvRedrawNow(ih);
}
cb = (IFni)IupGetCallback(ih, "DROPSHOW_CB");
if (cb)
cb(ih, ih->data->dropped);
}
static void iDropButtonNotify(Ihandle* ih, int pressed)
{
if (pressed && ih->data->over_arrow)
{
int arrow_active = iupAttribGetBoolean(ih, "ARROWACTIVE");
if (arrow_active && ih->data->dropchild)
{
if (ih->data->close_on_focus)
return;
ih->data->dropped = !ih->data->dropped;
iDropButtonShowDrop(ih);
}
return;
}
if (!pressed && !ih->data->over_arrow && ih->data->highlighted) /* released inside the button area */
{
Icallback cb;
if (ih->data->dropped && ih->data->dropchild)
{
ih->data->dropped = 0;
iDropButtonShowDrop(ih);
}
cb = IupGetCallback(ih, "FLAT_ACTION");
if (cb)
{
int ret = cb(ih);
if (ret == IUP_CLOSE)
IupExitLoop();
}
}
if (!pressed)
ih->data->close_on_focus = 0;
iupdrvRedrawNow(ih);
}
static int iDropButtonMotion_CB(Ihandle* ih, int x, int y, char* status)
{
int drop_onarrow, over_arrow, redraw = 0;
IFniis cb = (IFniis)IupGetCallback(ih, "FLAT_MOTION_CB");
if (cb)
{
if (cb(ih, x, y, status) == IUP_IGNORE)
return IUP_DEFAULT;
}
drop_onarrow = iupAttribGetBoolean(ih, "DROPONARROW");
over_arrow = 1;
if (drop_onarrow && (x < ih->currentwidth - ih->data->arrow_size))
over_arrow = 0;
if (over_arrow != ih->data->over_arrow)
{
ih->data->over_arrow = over_arrow;
redraw = 1;
}
if (iup_isbutton1(status) && !over_arrow)
{
/* handle when mouse is pressed and moved to/from inside the canvas */
if (x < 0 || x > ih->currentwidth - 1 ||
y < 0 || y > ih->currentheight - 1)
{
if (ih->data->highlighted)
{
redraw = 1;
ih->data->highlighted = 0;
}
}
else
{
if (!ih->data->highlighted)
{
redraw = 1;
ih->data->highlighted = 1;
}
}
}
if (redraw)
iupdrvRedrawNow(ih);
return IUP_DEFAULT;
}
static int iDropButtonButton_CB(Ihandle* ih, int button, int pressed, int x, int y, char* status)
{
IFniiiis cb = (IFniiiis)IupGetCallback(ih, "FLAT_BUTTON_CB");
if (cb)
{
if (cb(ih, button, pressed, x, y, status) == IUP_IGNORE)
return IUP_DEFAULT;
}
if (button == IUP_BUTTON1)
{
int drop_onarrow = iupAttribGetBoolean(ih, "DROPONARROW");
if (drop_onarrow && (x < ih->currentwidth - ih->data->arrow_size))
ih->data->over_arrow = 0;
else
ih->data->over_arrow = 1;
ih->data->pressed = pressed;
iDropButtonNotify(ih, pressed);
}
return IUP_DEFAULT;
}
static int iDropButtonFocus_CB(Ihandle* ih, int focus)
{
IFni cb = (IFni)IupGetCallback(ih, "FLAT_FOCUS_CB");
if (cb)
{
if (cb(ih, focus) == IUP_IGNORE)
return IUP_DEFAULT;
}
ih->data->has_focus = focus;
iupdrvRedrawNow(ih);
return IUP_DEFAULT;
}
static int iDropButtonEnterWindow_CB(Ihandle* ih)
{
IFn cb = (IFn)IupGetCallback(ih, "FLAT_ENTERWINDOW_CB");
if (cb)
{
if (cb(ih) == IUP_IGNORE)
return IUP_DEFAULT;
}
ih->data->highlighted = 1;
iupdrvRedrawNow(ih);
return IUP_DEFAULT;
}
static int iDropButtonLeaveWindow_CB(Ihandle* ih)
{
IFn cb = (IFn)IupGetCallback(ih, "FLAT_LEAVEWINDOW_CB");
if (cb)
{
if (cb(ih) == IUP_IGNORE)
return IUP_DEFAULT;
}
ih->data->highlighted = 0;
iupdrvRedrawNow(ih);
return IUP_DEFAULT;
}
static int iDropButtonActivate_CB(Ihandle* ih)
{
char status[IUPKEY_STATUS_SIZE] = IUPKEY_STATUS_INIT;
iDropButtonButton_CB(ih, IUP_BUTTON1, 1, 0, 0, status);
iupdrvSleep(100);
iDropButtonButton_CB(ih, IUP_BUTTON1, 0, 0, 0, status);
return IUP_DEFAULT;
}
/***********************************************************************************************/
static int iDropButtonSetShowDropdownAttrib(Ihandle* ih, const char* value)
{
if (ih->data->dropchild)
{
ih->data->close_on_focus = 0;
ih->data->dropped = iupStrBoolean(value);
iDropButtonShowDrop(ih);
}
return 0;
}
static int iDropButtonSetAlignmentAttrib(Ihandle* ih, const char* value)
{
char value1[30], value2[30];
iupStrToStrStr(value, value1, value2, ':');
ih->data->horiz_alignment = iupFlatGetHorizontalAlignment(value1);
ih->data->vert_alignment = iupFlatGetVerticalAlignment(value2);
if (ih->handle)
iupdrvRedrawNow(ih);
return 1;
}
static char* iDropButtonGetAlignmentAttrib(Ihandle *ih)
{
char* horiz_align2str[3] = {"ALEFT", "ACENTER", "ARIGHT"};
char* vert_align2str[3] = {"ATOP", "ACENTER", "ABOTTOM"};
return iupStrReturnStrf("%s:%s", horiz_align2str[ih->data->horiz_alignment], vert_align2str[ih->data->vert_alignment]);
}
static int iDropButtonSetPaddingAttrib(Ihandle* ih, const char* value)
{
if (iupStrEqual(value, "DEFAULTBUTTONPADDING"))
value = IupGetGlobal("DEFAULTBUTTONPADDING");
iupStrToIntInt(value, &ih->data->horiz_padding, &ih->data->vert_padding, 'x');
if (ih->handle)
iupdrvRedrawNow(ih);
return 0;
}
static int iDropButtonSetAttribPostRedraw(Ihandle* ih, const char* value)
{
(void)value;
if (ih->handle)
iupdrvPostRedraw(ih);
return 1;
}
static char* iDropButtonGetBgColorAttrib(Ihandle* ih)
{
char* value = iupAttribGet(ih, "BGCOLOR");
if (!value)
return iupBaseNativeParentGetBgColorAttrib(ih);
else
return value;
}
static char* iDropButtonGetPaddingAttrib(Ihandle* ih)
{
return iupStrReturnIntInt(ih->data->horiz_padding, ih->data->vert_padding, 'x');
}
static int iDropButtonSetImagePositionAttrib(Ihandle* ih, const char* value)
{
ih->data->img_position = iupFlatGetImagePosition(value);
if (ih->handle)
iupdrvRedrawNow(ih);
return 0;
}
static char* iDropButtonGetImagePositionAttrib(Ihandle *ih)
{
char* img_pos2str[4] = {"LEFT", "RIGHT", "TOP", "BOTTOM"};
return iupStrReturnStr(img_pos2str[ih->data->img_position]);
}
static int iDropButtonSetSpacingAttrib(Ihandle* ih, const char* value)
{
iupStrToInt(value, &ih->data->spacing);
if (ih->handle)
iupdrvRedrawNow(ih);
return 0;
}
static char* iDropButtonGetSpacingAttrib(Ihandle *ih)
{
return iupStrReturnInt(ih->data->spacing);
}
static int iDropButtonSetBorderWidthAttrib(Ihandle* ih, const char* value)
{
iupStrToInt(value, &ih->data->border_width);
if (ih->handle)
iupdrvRedrawNow(ih);
return 0;
}
static char* iDropButtonGetBorderWidthAttrib(Ihandle *ih)
{
return iupStrReturnInt(ih->data->border_width);
}
static int iDropButtonGetDefaultArrowSize(void)
{
if (iupIsHighDpi())
return 24;
else
return 16;
}
static int iDropButtonSetArrowSizeAttrib(Ihandle* ih, const char* value)
{
if (!value)
ih->data->arrow_size = iDropButtonGetDefaultArrowSize();
else
iupStrToInt(value, &ih->data->arrow_size);
if (ih->handle)
iupdrvRedrawNow(ih);
return 0;
}
static char* iDropButtonGetArrowSizeAttrib(Ihandle *ih)
{
return iupStrReturnInt(ih->data->arrow_size);
}
static int iDropButtonSetArrowPaddingAttrib(Ihandle* ih, const char* value)
{
iupStrToInt(value, &ih->data->arrow_padding);
if (ih->handle)
iupdrvRedrawNow(ih);
return 0;
}
static char* iDropButtonGetArrowPaddingAttrib(Ihandle *ih)
{
return iupStrReturnInt(ih->data->arrow_padding);
}
static char* iDropButtonGetHighlightedAttrib(Ihandle* ih)
{
return iupStrReturnBoolean(ih->data->highlighted);
}
static char* iDropButtonGetPressedAttrib(Ihandle* ih)
{
return iupStrReturnBoolean(ih->data->pressed);
}
static char* iDropButtonGetHasFocusAttrib(Ihandle* ih)
{
return iupStrReturnBoolean(ih->data->has_focus);
}
static void iDropButtonSetDropChild(Ihandle* ih, Ihandle* dropchild)
{
if (ih->data->dropchild != dropchild)
{
if (ih->data->dropchild)
IupDetach(ih->data->dropchild);
/* make sure it has at least one name */
if (dropchild && !iupAttribGetHandleName(dropchild))
iupAttribSetHandleName(dropchild);
ih->data->dropchild = dropchild;
if (dropchild)
{
IupAppend(ih->data->dropdialog, ih->data->dropchild);
if (ih->data->dropdialog->handle)
IupMap(ih->data->dropchild);
}
}
}
static int iDropButtonSetDropChildHandleAttrib(Ihandle* ih, const char* value)
{
iDropButtonSetDropChild(ih, (Ihandle*)value);
return 0;
}
static char* iDropButtonGetDropChildHandleAttrib(Ihandle* ih)
{
return (char*)ih->data->dropchild;
}
static int iDropButtonSetDropChildAttrib(Ihandle* ih, const char* value)
{
iDropButtonSetDropChild(ih, IupGetHandle(value));
return 0;
}
static char* iDropButtonGetDropChildAttrib(Ihandle* ih)
{
return IupGetName(ih->data->dropchild);
}
/*****************************************************************************************/
static int iDropButtonMouseOnTop(Ihandle* ih)
{
int cur_x, cur_y;
int x = IupGetInt(ih, "X");
int y = IupGetInt(ih, "Y");
IupGetIntInt(NULL, "CURSORPOS", &cur_x, &cur_y);
if (cur_x < x || cur_y < y ||
cur_x > x + ih->currentwidth || cur_y > y + ih->currentheight)
return 0;
else
return 1;
}
static int iDropButtonDialogFocusCB(Ihandle* dlg, int focus)
{
Ihandle* ih = IupGetAttributeHandle(dlg, "DROPBUTTON");
/* when drop dialog loses its focus it must be closed */
if (!focus && ih->data->dropped)
{
/* count not use highlighted because in GTK we get a leavewindow when clicking the button and the dialog is dropped */
if (iDropButtonMouseOnTop(ih))
ih->data->close_on_focus = 1;
else
ih->data->close_on_focus = 0;
ih->data->dropped = 0;
iDropButtonShowDrop(ih);
}
return IUP_DEFAULT;
}
static int iDropButtonDialogKeyEscCB(Ihandle* dlg)
{
Ihandle* ih = IupGetAttributeHandle(dlg, "DROPBUTTON");
ih->data->dropped = 0;
iDropButtonShowDrop(ih);
return IUP_DEFAULT;
}
static Ihandle* iDropButtonCreateDropDialog(Ihandle* ih)
{
Ihandle* dlg = IupDialog(NULL);
IupSetAttribute(dlg, "RESIZE", "NO");
IupSetAttribute(dlg, "MENUBOX", "NO");
IupSetAttribute(dlg, "MAXBOX", "NO");
IupSetAttribute(dlg, "MINBOX", "NO");
IupSetAttribute(dlg, "NOFLUSH", "Yes");
IupSetAttribute(dlg, "BORDER", "NO");
IupSetAttributeHandle(dlg, "DROPBUTTON", ih);
IupSetCallback(dlg, "FOCUS_CB", (Icallback)iDropButtonDialogFocusCB);
IupSetCallback(dlg, "K_ESC", (Icallback)iDropButtonDialogKeyEscCB);
return dlg;
}
static int iDropButtonCreateMethod(Ihandle* ih, void** params)
{
if (params && params[0])
{
iupAttribSetStr(ih, "TITLE", (char*)(params[0]));
}
/* free the data allocated by IupCanvas */
free(ih->data);
ih->data = iupALLOCCTRLDATA();
/* change the IupCanvas default values */
iupAttribSet(ih, "BORDER", "NO");
ih->expand = IUP_EXPAND_NONE;
/* non zero default values */
ih->data->spacing = 2;
ih->data->border_width = 1;
ih->data->horiz_alignment = IUP_ALIGN_ALEFT;
ih->data->vert_alignment = IUP_ALIGN_ACENTER;
ih->data->arrow_size = iDropButtonGetDefaultArrowSize();
ih->data->arrow_padding = 5;
ih->data->horiz_padding = 3;
ih->data->vert_padding = 3;
/* initial values - don't use default so they can be set to NULL */
iupAttribSet(ih, "HLCOLOR", IUP_FLAT_HIGHCOLOR);
iupAttribSet(ih, "PSCOLOR", IUP_FLAT_PRESSCOLOR);
/* internal callbacks */
IupSetCallback(ih, "ACTION", (Icallback)iDropButtonRedraw_CB);
IupSetCallback(ih, "BUTTON_CB", (Icallback)iDropButtonButton_CB);
IupSetCallback(ih, "MOTION_CB", (Icallback)iDropButtonMotion_CB);
IupSetCallback(ih, "FOCUS_CB", (Icallback)iDropButtonFocus_CB);
IupSetCallback(ih, "LEAVEWINDOW_CB", iDropButtonLeaveWindow_CB);
IupSetCallback(ih, "ENTERWINDOW_CB", iDropButtonEnterWindow_CB);
IupSetCallback(ih, "K_CR", (Icallback)iDropButtonActivate_CB);
IupSetCallback(ih, "K_SP", (Icallback)iDropButtonActivate_CB);
ih->data->dropdialog = iDropButtonCreateDropDialog(ih);
if (params && params[0])
iDropButtonSetDropChild(ih, (Ihandle*)(params[0]));
return IUP_NOERROR;
}
static void iDropButtonDestroyMethod(Ihandle* ih)
{
if (iupObjectCheck(ih->data->dropdialog)) /* the dialog can be destroyed during the destroy of the list of dialogs */
IupDestroy(ih->data->dropdialog);
}
static void iDropButtonComputeNaturalSizeMethod(Ihandle* ih, int *w, int *h, int *children_expand)
{
int fit2backimage = iupAttribGetBoolean(ih, "FITTOBACKIMAGE");
char* bgimage = iupAttribGet(ih, "BACKIMAGE");
if (fit2backimage && bgimage)
iupImageGetInfo(bgimage, w, h, NULL);
else
{
int visiblecolumns;
char* imagename = iupAttribGet(ih, "IMAGE");
char* title = iupAttribGet(ih, "TITLE");
double text_orientation = iupAttribGetDouble(ih, "TEXTORIENTATION");
iupFlatDrawGetIconSize(ih, ih->data->img_position, ih->data->spacing, ih->data->horiz_padding, ih->data->vert_padding, imagename, title, w, h, text_orientation);
visiblecolumns = iupAttribGetInt(ih, "VISIBLECOLUMNS");
if (visiblecolumns)
{
*w = iupdrvFontGetStringWidth(ih, "WWWWWWWWWW");
*w = (visiblecolumns*(*w)) / 10;
*w += 2 * ih->data->horiz_padding;
}
*w += ih->data->arrow_size;
}
*w += 2 * ih->data->border_width;
*h += 2 * ih->data->border_width;
(void)children_expand; /* unset if not a container */
}
/******************************************************************************/
Iclass* iupDropButtonNewClass(void)
{
Iclass* ic = iupClassNew(iupRegisterFindClass("canvas"));
ic->name = "dropbutton";
ic->cons = "DropButton";
ic->format = "h"; /* one Ihandle* */
ic->nativetype = IUP_TYPECANVAS;
ic->childtype = IUP_CHILDNONE;
ic->is_interactive = 1;
/* Class functions */
ic->New = iupDropButtonNewClass;
ic->Create = iDropButtonCreateMethod;
ic->Destroy = iDropButtonDestroyMethod;
ic->ComputeNaturalSize = iDropButtonComputeNaturalSizeMethod;
/* Callbacks */
iupClassRegisterCallback(ic, "FLAT_ACTION", "");
iupClassRegisterCallback(ic, "FLAT_BUTTON_CB", "iiiis");
iupClassRegisterCallback(ic, "FLAT_MOTION_CB", "iis");
iupClassRegisterCallback(ic, "FLAT_FOCUS_CB", "i");
iupClassRegisterCallback(ic, "FLAT_ENTERWINDOW_CB", "ii");
iupClassRegisterCallback(ic, "FLAT_LEAVEWINDOW_CB", "");
iupClassRegisterCallback(ic, "DROPDOWN_CB", "i");
iupClassRegisterCallback(ic, "DROPSHOW_CB", "i");
/* Overwrite Visual */
iupClassRegisterAttribute(ic, "ACTIVE", iupBaseGetActiveAttrib, iupFlatSetActiveAttrib, IUPAF_SAMEASSYSTEM, "YES", IUPAF_DEFAULT);
/* Special */
iupClassRegisterAttribute(ic, "TITLE", NULL, iDropButtonSetAttribPostRedraw, NULL, NULL, IUPAF_NO_DEFAULTVALUE | IUPAF_NO_INHERIT);
/* IupDropButton */
iupClassRegisterAttribute(ic, "ALIGNMENT", iDropButtonGetAlignmentAttrib, iDropButtonSetAlignmentAttrib, "ALEFT:ACENTER", NULL, IUPAF_NOT_MAPPED | IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "PADDING", iDropButtonGetPaddingAttrib, iDropButtonSetPaddingAttrib, IUPAF_SAMEASSYSTEM, "3x3", IUPAF_NOT_MAPPED);
iupClassRegisterAttribute(ic, "CPADDING", iupBaseGetCPaddingAttrib, iupBaseSetCPaddingAttrib, NULL, NULL, IUPAF_NO_SAVE | IUPAF_NOT_MAPPED);
iupClassRegisterAttribute(ic, "SPACING", iDropButtonGetSpacingAttrib, iDropButtonSetSpacingAttrib, IUPAF_SAMEASSYSTEM, "2", IUPAF_NOT_MAPPED | IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "CSPACING", iupBaseGetCSpacingAttrib, iupBaseSetCSpacingAttrib, NULL, NULL, IUPAF_NO_SAVE | IUPAF_NOT_MAPPED);
iupClassRegisterAttribute(ic, "HIGHLIGHTED", iDropButtonGetHighlightedAttrib, NULL, NULL, NULL, IUPAF_READONLY | IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "PRESSED", iDropButtonGetPressedAttrib, NULL, NULL, NULL, IUPAF_READONLY | IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "HASFOCUS", iDropButtonGetHasFocusAttrib, NULL, NULL, NULL, IUPAF_READONLY | IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "SHOWBORDER", NULL, NULL, NULL, NULL, IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "FOCUSFEEDBACK", NULL, NULL, IUPAF_SAMEASSYSTEM, "YES", IUPAF_NOT_MAPPED | IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "BORDERCOLOR", NULL, NULL, IUPAF_SAMEASSYSTEM, IUP_FLAT_BORDERCOLOR, IUPAF_DEFAULT); /* inheritable */
iupClassRegisterAttribute(ic, "BORDERPSCOLOR", NULL, NULL, NULL, NULL, IUPAF_DEFAULT); /* inheritable */
iupClassRegisterAttribute(ic, "BORDERHLCOLOR", NULL, NULL, NULL, NULL, IUPAF_DEFAULT); /* inheritable */
iupClassRegisterAttribute(ic, "BORDERWIDTH", iDropButtonGetBorderWidthAttrib, iDropButtonSetBorderWidthAttrib, IUPAF_SAMEASSYSTEM, "1", IUPAF_DEFAULT); /* inheritable */
iupClassRegisterAttribute(ic, "FGCOLOR", NULL, NULL, "DLGFGCOLOR", NULL, IUPAF_NOT_MAPPED); /* force the new default value */
iupClassRegisterAttribute(ic, "BGCOLOR", iDropButtonGetBgColorAttrib, iDropButtonSetAttribPostRedraw, IUPAF_SAMEASSYSTEM, "DLGBGCOLOR", IUPAF_NO_SAVE | IUPAF_DEFAULT);
iupClassRegisterAttribute(ic, "HLCOLOR", NULL, NULL, NULL, NULL, IUPAF_DEFAULT); /* inheritable */
iupClassRegisterAttribute(ic, "PSCOLOR", NULL, NULL, NULL, NULL, IUPAF_DEFAULT); /* inheritable */
iupClassRegisterAttribute(ic, "TEXTHLCOLOR", NULL, NULL, NULL, NULL, IUPAF_DEFAULT); /* inheritable */
iupClassRegisterAttribute(ic, "TEXTPSCOLOR", NULL, NULL, NULL, NULL, IUPAF_DEFAULT); /* inheritable */
iupClassRegisterAttribute(ic, "IMAGE", NULL, NULL, NULL, NULL, IUPAF_IHANDLENAME | IUPAF_NO_DEFAULTVALUE | IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "IMAGEPRESS", NULL, NULL, NULL, NULL, IUPAF_IHANDLENAME | IUPAF_NO_DEFAULTVALUE | IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "IMAGEHIGHLIGHT", NULL, NULL, NULL, NULL, IUPAF_IHANDLENAME | IUPAF_NO_DEFAULTVALUE | IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "IMAGEINACTIVE", NULL, NULL, NULL, NULL, IUPAF_IHANDLENAME | IUPAF_NO_DEFAULTVALUE | IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "IMAGEPOSITION", iDropButtonGetImagePositionAttrib, iDropButtonSetImagePositionAttrib, IUPAF_SAMEASSYSTEM, "LEFT", IUPAF_NOT_MAPPED | IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "TEXTALIGNMENT", NULL, NULL, IUPAF_SAMEASSYSTEM, "ALEFT", IUPAF_NOT_MAPPED | IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "TEXTWRAP", NULL, NULL, NULL, NULL, IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "TEXTELLIPSIS", NULL, NULL, NULL, NULL, IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "TEXTCLIP", NULL, NULL, NULL, NULL, IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "TEXTORIENTATION", NULL, NULL, NULL, NULL, IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "BACKIMAGE", NULL, NULL, NULL, NULL, IUPAF_IHANDLENAME | IUPAF_NO_DEFAULTVALUE | IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "BACKIMAGEPRESS", NULL, NULL, NULL, NULL, IUPAF_IHANDLENAME | IUPAF_NO_DEFAULTVALUE | IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "BACKIMAGEHIGHLIGHT", NULL, NULL, NULL, NULL, IUPAF_IHANDLENAME | IUPAF_NO_DEFAULTVALUE | IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "BACKIMAGEINACTIVE", NULL, NULL, NULL, NULL, IUPAF_IHANDLENAME | IUPAF_NO_DEFAULTVALUE | IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "BACKIMAGEZOOM", NULL, NULL, NULL, NULL, IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "FITTOBACKIMAGE", NULL, NULL, NULL, NULL, IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "FRONTIMAGE", NULL, NULL, NULL, NULL, IUPAF_IHANDLENAME | IUPAF_NO_DEFAULTVALUE | IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "FRONTIMAGEPRESS", NULL, NULL, NULL, NULL, IUPAF_IHANDLENAME | IUPAF_NO_DEFAULTVALUE | IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "FRONTIMAGEHIGHLIGHT", NULL, NULL, NULL, NULL, IUPAF_IHANDLENAME | IUPAF_NO_DEFAULTVALUE | IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "FRONTIMAGEINACTIVE", NULL, NULL, NULL, NULL, IUPAF_IHANDLENAME | IUPAF_NO_DEFAULTVALUE | IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "DROPCHILD", iDropButtonGetDropChildAttrib, iDropButtonSetDropChildAttrib, NULL, NULL, IUPAF_IHANDLENAME | IUPAF_NOT_MAPPED | IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "DROPCHILD_HANDLE", iDropButtonGetDropChildHandleAttrib, iDropButtonSetDropChildHandleAttrib, NULL, NULL, IUPAF_NOT_MAPPED | IUPAF_NO_INHERIT | IUPAF_IHANDLE | IUPAF_NO_STRING);
iupClassRegisterAttribute(ic, "FIRST_CONTROL_HANDLE", iDropButtonGetDropChildHandleAttrib, NULL, NULL, NULL, IUPAF_READONLY | IUPAF_NOT_MAPPED | IUPAF_NO_INHERIT | IUPAF_IHANDLE | IUPAF_NO_STRING);
iupClassRegisterAttribute(ic, "NEXT_CONTROL_HANDLE", NULL, NULL, NULL, NULL, IUPAF_READONLY | IUPAF_NOT_MAPPED | IUPAF_NO_INHERIT | IUPAF_IHANDLE | IUPAF_NO_STRING);
iupClassRegisterAttribute(ic, "ARROWIMAGES", NULL, NULL, NULL, NULL, IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "ARROWSIZE", iDropButtonGetArrowSizeAttrib, iDropButtonSetArrowSizeAttrib, IUPAF_SAMEASSYSTEM, "24", IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "ARROWPADDING", iDropButtonGetArrowPaddingAttrib, iDropButtonSetArrowPaddingAttrib, IUPAF_SAMEASSYSTEM, "4", IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "ARROWACTIVE", NULL, NULL, IUPAF_SAMEASSYSTEM, "Yes", IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "ARROWCOLOR", NULL, NULL, NULL, NULL, IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "ARROWALIGN", NULL, NULL, IUPAF_SAMEASSYSTEM, "CENTER", IUPAF_IHANDLENAME | IUPAF_NO_DEFAULTVALUE | IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "ARROWIMAGE", NULL, NULL, NULL, NULL, IUPAF_IHANDLENAME | IUPAF_NO_DEFAULTVALUE | IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "ARROWIMAGEPRESS", NULL, NULL, NULL, NULL, IUPAF_IHANDLENAME | IUPAF_NO_DEFAULTVALUE | IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "ARROWIMAGEHIGHLIGHT", NULL, NULL, NULL, NULL, IUPAF_IHANDLENAME | IUPAF_NO_DEFAULTVALUE | IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "ARROWIMAGEINACTIVE", NULL, NULL, NULL, NULL, IUPAF_IHANDLENAME | IUPAF_NO_DEFAULTVALUE | IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "DROPONARROW", NULL, NULL, IUPAF_SAMEASSYSTEM, "Yes", IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "SHOWDROPDOWN", NULL, iDropButtonSetShowDropdownAttrib, NULL, NULL, IUPAF_WRITEONLY | IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "DROPPOSITION", NULL, NULL, IUPAF_SAMEASSYSTEM, "BOTTOMLEFT", IUPAF_NO_INHERIT);
iupClassRegisterAttribute(ic, "VISIBLECOLUMNS", NULL, NULL, NULL, NULL, IUPAF_NOT_MAPPED | IUPAF_NO_INHERIT);
return ic;
}
IUP_API Ihandle* IupDropButton(Ihandle* dropchild)
{
void *children[2];
children[0] = (void*)dropchild;
children[1] = NULL;
return IupCreatev("dropbutton", children);
}