309 lines
8.5 KiB
C
309 lines
8.5 KiB
C
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/** \file
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* \brief GL Icon (Image+Text) base functions.
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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 <string.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_register.h"
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#include "iup_image.h"
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#include "iup_glcontrols.h"
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#include "iup_glfont.h"
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#include "iup_gldraw.h"
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#include "iup_glicon.h"
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#include "iup_glimage.h"
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enum{ IUP_GLPOS_LEFT, IUP_GLPOS_RIGHT, IUP_GLPOS_TOP, IUP_GLPOS_BOTTOM };
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static char* iGLIconGetImageName(Ihandle* ih, const char* baseattrib, const char* state)
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{
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char attrib[1024];
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strcpy(attrib, baseattrib);
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strcat(attrib, state);
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return iupAttribGet(ih, attrib);
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}
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Ihandle* iupGLIconGetImageHandle(Ihandle* ih, const char* baseattrib, const char* imagename, int active)
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{
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Ihandle* image = NULL;
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int make_inactive = 0;
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iupAttribSet(ih, "MAKEINACTIVE", NULL);
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if (baseattrib)
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{
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if (active)
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{
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int pressed = iupAttribGetInt(ih, "PRESSED");
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if (pressed)
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image = IupImageGetHandle(iGLIconGetImageName(ih, baseattrib, "PRESS"));
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else
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{
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int highlight = iupAttribGetInt(ih, "HIGHLIGHT");
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if (highlight)
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image = IupImageGetHandle(iGLIconGetImageName(ih, baseattrib, "HIGHLIGHT"));
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}
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}
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else
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{
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image = IupImageGetHandle(iGLIconGetImageName(ih, baseattrib, "INACTIVE"));
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if (!image)
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make_inactive = 1;
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}
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}
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if (!image)
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image = IupImageGetHandle(imagename);
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if (image && make_inactive)
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iupAttribSet(image, "MAKEINACTIVE", "1");
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return image;
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}
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static int iGLIconGetImagePosition(const char* value)
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{
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if (!value)
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return IUP_GLPOS_LEFT;
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if (iupStrEqualNoCase(value, "RIGHT"))
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return IUP_GLPOS_RIGHT;
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else if (iupStrEqualNoCase(value, "BOTTOM"))
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return IUP_GLPOS_BOTTOM;
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else if (iupStrEqualNoCase(value, "TOP"))
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return IUP_GLPOS_TOP;
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else /* "LEFT" */
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return IUP_GLPOS_LEFT;
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}
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static void iGLIconGetAlignment(const char* value, int *horiz_alignment, int *vert_alignment)
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{
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char value1[30], value2[30];
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iupStrToStrStr(value, value1, value2, ':');
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if (iupStrEqualNoCase(value1, "ARIGHT"))
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*horiz_alignment = IUP_ALIGN_ARIGHT;
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else if (iupStrEqualNoCase(value1, "ACENTER"))
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*horiz_alignment = IUP_ALIGN_ACENTER;
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else /* "ALEFT" (default) */
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*horiz_alignment = IUP_ALIGN_ALEFT;
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if (iupStrEqualNoCase(value2, "ABOTTOM"))
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*vert_alignment = IUP_ALIGN_ABOTTOM;
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else if (iupStrEqualNoCase(value2, "ATOP"))
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*vert_alignment = IUP_ALIGN_ATOP;
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else /* "ACENTER" (default) */
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*vert_alignment = IUP_ALIGN_ACENTER;
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}
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static void iGLIconGetPosition(Ihandle* ih, int icon_width, int icon_height, int *x, int *y, int width, int height)
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{
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int horiz_padding = 0, vert_padding = 0;
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int horiz_alignment, vert_alignment;
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IupGetIntInt(ih, "PADDING", &horiz_padding, &vert_padding);
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iGLIconGetAlignment(iupAttribGetStr(ih, "ALIGNMENT"), &horiz_alignment, &vert_alignment);
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if (horiz_alignment == IUP_ALIGN_ARIGHT)
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*x = icon_width - (width + 2 * horiz_padding);
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else if (horiz_alignment == IUP_ALIGN_ACENTER)
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*x = (icon_width - (width + 2 * horiz_padding)) / 2;
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else /* ALEFT */
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*x = 0;
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if (vert_alignment == IUP_ALIGN_ABOTTOM)
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*y = icon_height - (height + 2 * vert_padding);
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else if (vert_alignment == IUP_ALIGN_ACENTER)
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*y = (icon_height - (height + 2 * vert_padding)) / 2;
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else /* ATOP */
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*y = 0;
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*x += horiz_padding;
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*y += vert_padding;
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}
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static void iGLIconGetImageTextPosition(int x, int y, int img_position, int spacing,
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int img_width, int img_height, int txt_width, int txt_height,
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int *img_x, int *img_y, int *txt_x, int *txt_y)
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{
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switch (img_position)
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{
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case IUP_GLPOS_TOP:
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*img_y = y;
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*txt_y = y + img_height + spacing;
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if (img_width > txt_width)
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{
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*img_x = x;
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*txt_x = x + (img_width - txt_width) / 2;
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}
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else
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{
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*img_x = x + (txt_width - img_width) / 2;
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*txt_x = x;
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}
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break;
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case IUP_GLPOS_BOTTOM:
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*img_y = y + txt_height + spacing;
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*txt_y = y;
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if (img_width > txt_width)
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{
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*img_x = x;
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*txt_x = x + (img_width - txt_width) / 2;
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}
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else
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{
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*img_x = x + (txt_width - img_width) / 2;
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*txt_x = x;
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}
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break;
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case IUP_GLPOS_RIGHT:
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*img_x = x + txt_width + spacing;
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*txt_x = x;
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if (img_height > txt_height)
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{
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*img_y = y;
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*txt_y = y + (img_height - txt_height) / 2;
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}
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else
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{
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*img_y = y + (txt_height - img_height) / 2;
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*txt_y = y;
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}
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break;
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default: /* IUP_GLPOS_LEFT (image at left of text) */
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*img_x = x;
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*txt_x = x + img_width + spacing;
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if (img_height > txt_height)
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{
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*img_y = y;
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*txt_y = y + (img_height - txt_height) / 2;
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}
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else
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{
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*img_y = y + (txt_height - img_height) / 2;
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*txt_y = y;
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}
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break;
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}
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}
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void iupGLIconDraw(Ihandle* ih, int icon_x, int icon_y, int icon_width, int icon_height,
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const char *baseattrib, const char* imagename, const char* title, const char* fgcolor, int active)
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{
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int x, y, width, height;
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if (imagename)
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{
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if (title)
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{
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int spacing = iupAttribGetInt(ih, "SPACING");
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int img_position = iGLIconGetImagePosition(iupAttribGetStr(ih, "IMAGEPOSITION"));
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int img_x, img_y, txt_x, txt_y;
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int txt_width, txt_height;
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int img_width, img_height;
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iupGLFontGetMultiLineStringSize(ih, title, &txt_width, &txt_height);
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iupGLImageGetInfo(imagename, &img_width, &img_height, NULL);
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if (img_position == IUP_GLPOS_RIGHT ||
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img_position == IUP_GLPOS_LEFT)
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{
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width = img_width + txt_width + spacing;
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height = iupMAX(img_height, txt_height);
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}
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else
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{
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width = iupMAX(img_width, txt_width);
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height = img_height + txt_height + spacing;
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}
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iGLIconGetPosition(ih, icon_width, icon_height, &x, &y, width, height);
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iGLIconGetImageTextPosition(x, y, img_position, spacing,
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img_width, img_height, txt_width, txt_height,
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&img_x, &img_y, &txt_x, &txt_y);
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iupGLDrawIconImage(ih, img_x + icon_x, img_y + icon_y, baseattrib, imagename, active);
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iupGLDrawMultilineText(ih, txt_x + icon_x, txt_y + icon_y, title, fgcolor, active);
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}
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else
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{
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iupGLImageGetInfo(imagename, &width, &height, NULL);
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iGLIconGetPosition(ih, icon_width, icon_height, &x, &y, width, height);
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iupGLDrawIconImage(ih, x + icon_x, y + icon_y, baseattrib, imagename, active);
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}
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}
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else if (title)
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{
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iupGLFontGetMultiLineStringSize(ih, title, &width, &height);
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iGLIconGetPosition(ih, icon_width, icon_height, &x, &y, width, height);
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iupGLDrawMultilineText(ih, x + icon_x, y + icon_y, title, fgcolor, active);
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}
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}
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void iupGLIconGetSize(Ihandle* ih, const char* imagename, const char* title, int *w, int *h)
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{
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*w = 0,
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*h = 0;
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if (imagename)
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{
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iupGLImageGetInfo(imagename, w, h, NULL);
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if (title)
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{
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int spacing = iupAttribGetInt(ih, "SPACING");
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int img_position = iGLIconGetImagePosition(iupAttribGetStr(ih, "IMAGEPOSITION"));
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int text_w, text_h;
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iupGLFontGetMultiLineStringSize(ih, title, &text_w, &text_h);
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if (img_position == IUP_GLPOS_RIGHT ||
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img_position == IUP_GLPOS_LEFT)
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{
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*w += text_w + spacing;
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*h = iupMAX(*h, text_h);
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}
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else
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{
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*w = iupMAX(*w, text_w);
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*h += text_h + spacing;
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}
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}
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}
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else if (title)
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iupGLFontGetMultiLineStringSize(ih, title, w, h);
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{
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int horiz_padding = 0, vert_padding = 0;
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IupGetIntInt(ih, "PADDING", &horiz_padding, &vert_padding);
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*w += 2 * horiz_padding;
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*h += 2 * vert_padding;
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}
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}
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void iupGLIconRegisterAttrib(Iclass* ic)
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{
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iupClassRegisterAttribute(ic, "SPACING", NULL, NULL, IUPAF_SAMEASSYSTEM, "2", IUPAF_NO_INHERIT);
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iupClassRegisterAttribute(ic, "CSPACING", iupBaseGetCSpacingAttrib, iupBaseSetCSpacingAttrib, NULL, NULL, IUPAF_NO_SAVE | IUPAF_NOT_MAPPED);
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iupClassRegisterAttribute(ic, "IMAGEPOSITION", NULL, NULL, IUPAF_SAMEASSYSTEM, "LEFT", IUPAF_NO_INHERIT);
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iupClassRegisterAttribute(ic, "ALIGNMENT", NULL, NULL, IUPAF_SAMEASSYSTEM, "ALEFT:ACENTER", IUPAF_NO_INHERIT);
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iupClassRegisterAttribute(ic, "PADDING", NULL, NULL, IUPAF_SAMEASSYSTEM, "0x0", IUPAF_NO_INHERIT);
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iupClassRegisterAttribute(ic, "CPADDING", iupBaseGetCPaddingAttrib, iupBaseSetCPaddingAttrib, NULL, NULL, IUPAF_NO_SAVE | IUPAF_NOT_MAPPED);
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}
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