1 files changed, 179 insertions, 0 deletions
diff --git a/src/widget_textfield.c b/src/widget_textfield.c
new file mode 100644
index 0000000..67138fb
--- /dev/null
+++ b/src/widget_textfield.c
@@ -0,0 +1,179 @@
+
+#include "main.h"
+#include "interface.h"
+#include "font.h"
+#include "widget_textfield.h"
+#include "image.h"
+
+widget_textfield_t* newWidgetTextfield(char *text, int x, int y)
+{
+	widget_textfield_t *new;
+
+	new = malloc( sizeof(widget_textfield_t) );
+	strcpy(new->text, text);
+	new->x = x;
+	new->y = y;
+	new->time = 0;
+	new->timeBlick = 0;
+	new->active = FALSE;
+	getTextSize(text, &new->w, &new->h);
+
+	return new;
+}
+
+static void drawBackground(widget_textfield_t *p)
+{
+	static SDL_Surface *g_textfield0 = NULL;
+	static SDL_Surface *g_textfield1 = NULL;
+	int x, y;
+
+	getMousePosition(&x, &y);
+
+	if( g_textfield0 == NULL )
+	{
+		g_textfield0 = addImageData("button0.png", IMAGE_ALPHA, "textfiled0", IMAGE_GROUP_BASE);
+	}
+
+	if( g_textfield1 == NULL )
+	{
+		g_textfield1 = addImageData("button1.png", IMAGE_ALPHA, "textfiled1", IMAGE_GROUP_BASE);
+	}
+
+	if( p->active )
+	{
+		drawImage(g_textfield1, p->x, p->y, 0, 0, g_textfield1->w, g_textfield1->h);
+	}
+	else
+	{
+		drawImage(g_textfield0, p->x, p->y, 0, 0, g_textfield0->w, g_textfield0->h);
+	}
+}
+
+static void drawText(widget_textfield_t *p)
+{
+	char str[STR_SIZE];
+
+	strcpy(str, p->text);
+
+	if( p->timeBlick > WIDGET_TEXTFIELD_TIME_BLICK_CURSOR/2 &&
+	    p->active == TRUE )
+	{
+		strcat(str, ">");
+	}
+
+	p->timeBlick++;
+
+	if( p->timeBlick == WIDGET_TEXTFIELD_TIME_BLICK_CURSOR )
+	{
+		p->timeBlick = 0;
+	}
+
+	drawFont(str, p->x+WIDGET_TEXTFIELD_TEXT_OFFSET_X, p->y+p->h/2, COLOR_WHITE);
+}
+
+void drawWidgetTextfield(widget_textfield_t *p)
+{
+	drawBackground(p);
+	drawText(p);
+}
+
+static void readKey(widget_textfield_t *p)
+{
+	Uint8 *mapa;
+	int len;
+	int i;
+
+	if( p->time > 0 )
+	{
+		 p->time--;
+		return;
+	}
+
+	if( p->active == FALSE )
+	{
+		return;
+	}
+
+	mapa = SDL_GetKeyState(NULL);
+	len = strlen(p->text);
+
+	//mazanie posledneho klavesu
+	if( mapa[SDLK_BACKSPACE] == SDL_PRESSED )
+	{
+		if( len > 0 )
+		{
+			p->time = WIDGET_TEXTFIELD_TIME_READ_KEY;
+			p->text[len-1]='\0';
+		}
+
+		return;
+	}
+
+	//klavesy abecedy
+	for(i=SDLK_SPACE /*SDLK_a*/;i<=SDLK_z;i++)
+	{
+		//if(width<TEXTFIELD_SIZE_X-20 && mapa[i]==SDL_PRESSED)
+		if( mapa[i] == SDL_PRESSED && len < STR_SIZE )
+		{
+			 p->time = WIDGET_TEXTFIELD_TIME_READ_KEY;
+
+			strcat( p->text, SDL_GetKeyName(i) );
+			
+			if( mapa[SDLK_LSHIFT] == SDL_PRESSED ||
+			    mapa[SDLK_RSHIFT] == SDL_PRESSED)
+			{
+				p->text[ strlen( p->text ) - 1 ] -= 32;
+				return;
+			}
+		}
+	}
+
+	// aby ve jmene bulanka fungovaly take cislice alfanumericke klavesnice
+	for( i = SDLK_0 ; i <= SDLK_9 ; i++ )
+	{
+		if( mapa[i] == SDL_PRESSED && len < STR_SIZE )
+		{
+			 p->time = WIDGET_TEXTFIELD_TIME_READ_KEY;
+			strcat( p->text, SDL_GetKeyName(i) );
+			return;
+		}
+	}
+	
+	// aby ve jmene bulanka fungovaly take cislice napsane na numericke klavesnici
+	for( i=SDLK_KP0 ; i<=SDLK_KP9 ; i++ )
+	{
+		if( mapa[i] == SDL_PRESSED && len < STR_SIZE )
+		{
+			 p->time = WIDGET_TEXTFIELD_TIME_READ_KEY;
+			strncat( p->text, SDL_GetKeyName(i)+1, 1 ); // napr. "[4]"
+			return;
+		}
+	}
+}
+
+void eventWidgetTextfield(widget_textfield_t *p)
+{
+	int x, y;
+
+	getMousePosition(&x, &y);
+
+	if( isMouseClicked() )
+	{
+		if( x >= p->x && x <= p->x+WIDGET_TEXTFIELD_WIDTH && 
+		    y >= p->y && y <= p->y+WIDGET_TEXTFIELD_HEIGHT )
+		{
+			p->active = TRUE;
+		}
+		else
+		{
+			p->active = FALSE;
+		}
+	}
+
+	readKey(p);
+}
+
+void destroyWidgetTextfield(widget_textfield_t *p)
+{
+	free(p);
+}