158 lines
3.9 KiB
C
158 lines
3.9 KiB
C
/*
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This file is part of Warzone 2100.
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Copyright (C) 1999-2004 Eidos Interactive
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Copyright (C) 2005-2010 Warzone 2100 Project
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Warzone 2100 is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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Warzone 2100 is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Warzone 2100; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/** @file
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* Functions for the label widget.
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*/
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#include "lib/framework/frame.h"
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#include "widget.h"
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#include "widgint.h"
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#include "label.h"
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#include "form.h"
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#include "tip.h"
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// FIXME Direct iVis implementation include!
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#include "lib/ivis_common/textdraw.h"
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/* Create a button widget data structure */
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W_LABEL* labelCreate(const W_LABINIT* psInit)
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{
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W_LABEL* psWidget;
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/* Do some validation on the initialisation struct */
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if (psInit->style & ~(WLAB_PLAIN | WLAB_ALIGNLEFT |
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WLAB_ALIGNRIGHT | WLAB_ALIGNCENTRE | WIDG_HIDDEN))
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{
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ASSERT( false, "Unknown button style" );
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return NULL;
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}
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/* Allocate the required memory */
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psWidget = (W_LABEL *)malloc(sizeof(W_LABEL));
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if (psWidget == NULL)
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{
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debug(LOG_FATAL, "labelCreate: Out of memory");
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abort();
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return NULL;
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}
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/* Allocate the memory for the tip and copy it if necessary */
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psWidget->pTip = psInit->pTip;
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/* Initialise the structure */
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psWidget->type = WIDG_LABEL;
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psWidget->id = psInit->id;
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psWidget->formID = psInit->formID;
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psWidget->style = psInit->style;
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psWidget->x = psInit->x;
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psWidget->y = psInit->y;
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psWidget->width = psInit->width;
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psWidget->height = psInit->height;
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if (psInit->pDisplay)
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{
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psWidget->display = psInit->pDisplay;
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}
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else
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{
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psWidget->display = labelDisplay;
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}
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psWidget->callback = psInit->pCallback;
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psWidget->pUserData = psInit->pUserData;
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psWidget->UserData = psInit->UserData;
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psWidget->FontID = psInit->FontID;
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if (psInit->pText)
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{
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sstrcpy(psWidget->aText, psInit->pText);
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}
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else
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{
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psWidget->aText[0] = 0;
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}
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return psWidget;
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}
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/* Free the memory used by a button */
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void labelFree(W_LABEL *psWidget)
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{
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ASSERT( psWidget != NULL,
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"labelFree: Invalid label pointer" );
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free(psWidget);
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}
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/* label display function */
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void labelDisplay(WIDGET *psWidget, UDWORD xOffset, UDWORD yOffset, PIELIGHT *pColours)
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{
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SDWORD fx,fy, fw;
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W_LABEL *psLabel;
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enum iV_fonts FontID;
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psLabel = (W_LABEL *)psWidget;
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FontID = psLabel->FontID;
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iV_SetFont(FontID);
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iV_SetTextColour(pColours[WCOL_TEXT]);
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if (psLabel->style & WLAB_ALIGNCENTRE)
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{
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fw = iV_GetTextWidth(psLabel->aText);
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fx = xOffset + psLabel->x + (psLabel->width - fw) / 2;
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}
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else if (psLabel->style & WLAB_ALIGNRIGHT)
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{
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fw = iV_GetTextWidth(psLabel->aText);
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fx = xOffset + psLabel->x + psLabel->width - fw;
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}
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else
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{
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fx = xOffset + psLabel->x;
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}
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fy = yOffset + psLabel->y + (psLabel->height - iV_GetTextLineSize())/2 - iV_GetTextAboveBase();
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iV_DrawText(psLabel->aText,fx,fy);
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}
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/* Respond to a mouse moving over a label */
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void labelHiLite(W_LABEL *psWidget, W_CONTEXT *psContext)
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{
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psWidget->state |= WLABEL_HILITE;
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/* If there is a tip string start the tool tip */
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if (psWidget->pTip)
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{
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tipStart((WIDGET *)psWidget, psWidget->pTip, psContext->psScreen->TipFontID,
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psContext->psForm->aColours,
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psWidget->x + psContext->xOffset, psWidget->y + psContext->yOffset,
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psWidget->width,psWidget->height);
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}
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}
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/* Respond to the mouse moving off a label */
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void labelHiLiteLost(W_LABEL *psWidget)
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{
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psWidget->state &= ~(WLABEL_HILITE);
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if (psWidget->pTip)
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{
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tipStop((WIDGET *)psWidget);
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}
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}
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