bar chart

examples/basic/periodic.c

@@ -270,6 +270,11 @@ int main() {
 
 	f = frame("Chart", -PaddingContent, -PaddingContent, MwChartClass,
 		  NULL);
+	w = child(f);
+	MwChartAdd(w, -1, "A", -100, NULL);
+	MwChartAdd(w, -1, "B", 100, NULL);
+	MwChartAdd(w, -1, "C", 200, NULL);
+	MwChartAdd(w, -1, "D", 300, NULL);
 
 	f = frame("ComboBox", -PaddingContent, 24, MwComboBoxClass, NULL);
 	w = child(f);

include/Mw/Constants.h

@@ -113,6 +113,10 @@ enum MwCLIPBOARD {
 	MwCLIPBOARD_PRIMARY,
 };
 
+enum MwCHART {
+	MwCHART_BAR = 0
+};
+
 enum MwMOUSE {
 	MwMOUSE_LEFT = 1,
 	MwMOUSE_MIDDLE,

include/Mw/Draw.h

@@ -60,6 +60,14 @@ MWDECL MwLLColor MWAPI MwLightenColor(MwWidget handle, MwLLColor color, int r, i
  */
 MWDECL void MWAPI MwDrawRect(MwWidget handle, MwRect* rect, MwLLColor color);
 
+/*!
+ * @brief Draws a rectangle
+ * @param handle Widget
+ * @param rect Rectangle area
+ * @param color Color
+ */
+MWDECL void MWAPI MwDrawRectLine(MwWidget handle, MwRect* rect, MwLLColor color);
+
 /*!
  * @brief Draws a filled rectangle that fades to a darker color
  * @param handle Widget

include/Mw/StringDefs.h

@@ -57,6 +57,7 @@
 #define MwNhour "Ihour"
 #define MwNminute "Iminute"
 #define MwNsecond "Isecond"
+#define MwNtype "Itype"
 
 #define MwNtitle "Stitle"
 #define MwNtext "Stext"

include/Mw/TypeDefs.h

@@ -30,6 +30,8 @@ typedef struct _MwBox*		      MwBox;
 typedef struct _MwSubWindow*	      MwSubWindow;
 typedef struct _MwTab*		      MwTab;
 typedef struct _MwTable*	      MwTable;
+typedef struct _MwChartEntry	      MwChartEntry;
+typedef struct _MwChart*	      MwChart;
 typedef struct _MwMouse		      MwMouse;
 typedef struct _MwTTFInfo*	      MwTTFInfo;
 #ifdef _MILSKO
@@ -247,6 +249,16 @@ struct _MwTab {
 	char**	  names;
 };
 
+struct _MwChartEntry {
+	char*  name;
+	char*  color;
+	double value;
+};
+
+struct _MwChart {
+	MwChartEntry* entries;
+};
+
 struct _MwMouse {
 	MwPoint point;
 	int	button;

include/Mw/Widget/Chart.h

@@ -17,6 +17,39 @@ extern "C" {
  */
 MWDECL MwClass MwChartClass;
 
+/*!
+ * @brief Adds the entry to the chart
+ * @param handle Widget
+ * @param index Index
+ * @param text Text
+ * @param value Value
+ * @return Index
+ */
+MwInline int MwChartAdd(MwWidget handle, int index, const char* text, double value, const char* color) {
+	int out;
+
+	MwVaWidgetExecute(handle, "mwChartAdd", (void*)&out, index, text, value, color);
+
+	return out;
+}
+
+/*!
+ * @brief Deletes item from the chart
+ * @param handle Widget
+ * @param index Index
+ */
+MwInline void MwChartDelete(MwWidget handle, int index) {
+	MwVaWidgetExecute(handle, "mwChartDelete", NULL, index);
+}
+
+/*!
+ * @brief Resets the chart
+ * @param handle Widget
+ */
+MwInline void MwChartReset(MwWidget handle) {
+	MwVaWidgetExecute(handle, "mwChartReset", NULL);
+}
+
 #ifdef __cplusplus
 }
 #endif

include/Mw/Widget/ComboBox.h

@@ -41,6 +41,23 @@ MwInline const char* MwComboBoxGet(MwWidget handle, int index) {
 	return text;
 }
 
+/*!
+ * @brief Deletes the entry from combobox
+ * @param handle Widget
+ * @param index Index
+ */
+MwInline void MwComboBoxDelete(MwWidget handle, int index) {
+	MwVaWidgetExecute(handle, "mwComboBoxDelete", NULL, index);
+}
+
+/*!
+ * @brief Resets the combobox
+ * @param handle Widget
+ */
+MwInline void MwComboBoxReset(MwWidget handle) {
+	MwVaWidgetExecute(handle, "mwComboBoxReset", NULL);
+}
+
 #ifdef __cplusplus
 }
 #endif

milsko.xml

@@ -1,10 +1,11 @@
 <?xml version="1.0" ?>
 <!--
-	Basically, you have to implement 10+n types:
+	Basically, you have to implement 11+n types:
 	 - Integer (int)
 	 - Unsigned integer (unsigned int)
 	 - Short integer (short)
 	 - Unsigned short integer (unsigned short)
+	 - Double (double)
 	 - String (char*)
 	 - Pointer (void*)
 	 - Struct and pointer to it
@@ -109,6 +110,7 @@
 		<integer name="hour" />
 		<integer name="minute" />
 		<integer name="second" />
+		<integer name="type" />
 
 		<!-- waitMS is a special property, only applies to toplevel widget -->
 		<integer name="waitMS" common="yes" />
@@ -228,6 +230,9 @@
 			<integer name="MwCLIPBOARD_MAIN">0</integer>
 			<integer name="MwCLIPBOARD_PRIMARY" />
 		</enumeration>
+		<enumeration name="MwCHART">
+			<integer name="MwCHART_BAR">0</integer>
+		</enumeration>
 		<enumeration name="MwMOUSE">
 			<integer name="MwMOUSE_LEFT">1</integer>
 			<integer name="MwMOUSE_MIDDLE" />
@@ -649,6 +654,29 @@
 				<property name="scale" />
 			</properties>
 		</widget>
+		<widget name="Chart">
+			<properties>
+				<property name="type" />
+			</properties>
+			<functions>
+				<function name="Set">
+					<return>
+						<integer />
+					</return>
+					<arguments>
+						<integer name="index" />
+						<string name="text" />
+						<double name="value" />
+						<string name="color" />
+					</arguments>
+				</function>
+				<function name="Delete">
+					<arguments>
+						<integer name="index" />
+					</arguments>
+				</function>
+			</functions>
+		</widget>
 		<widget name="CheckBox">
 			<properties>
 				<property name="checked" />
@@ -879,9 +907,26 @@
 			</handlers>
 			<functions>
 				<function name="Add">
-					<integer name="index" />
-					<string name="text" />
+					<arguments>
+						<integer name="index" />
+						<string name="text" />
+					</arguments>
 				</function>
+				<function name="Get">
+					<return>
+						<string />
+					</return>
+					<arguments>
+						<integer name="index" />
+						<string name="text" />
+					</arguments>
+				</function>
+				<function name="Delete">
+					<arguments>
+						<integer name="index" />
+					</arguments>
+				</function>
+				<function name="Reset" />
 			</functions>
 		</widget>
 		<widget name="TreeView">

src/core.c

@@ -5,7 +5,7 @@
 #ifdef USE_COCOA
 #define PERIODIC
 #endif
-// #define USE_CLASSIC_THEME
+#define USE_CLASSIC_THEME
 #define RESIZE_ON_TICK
 
 #define DRAW(handle) \

src/draw.c

@@ -101,22 +101,67 @@ MwLLColor MwLightenColor(MwWidget handle, MwLLColor color, int r, int g, int b)
 
 void MwDrawRect(MwWidget handle, MwRect* rect, MwLLColor color) {
 	MwPoint p[4];
+	MwRect	r = *rect;
 
-	p[0].x = rect->x;
-	p[0].y = rect->y;
+	if(r.width < 0) {
+		r.width *= -1;
+		r.x -= r.width;
+	}
 
-	p[1].x = rect->x + rect->width;
-	p[1].y = rect->y;
+	if(r.height < 0) {
+		r.height *= -1;
+		r.y -= r.height;
+	}
 
-	p[2].x = rect->x + rect->width;
-	p[2].y = rect->y + rect->height;
+	p[0].x = r.x;
+	p[0].y = r.y;
 
-	p[3].x = rect->x;
-	p[3].y = rect->y + rect->height;
+	p[1].x = r.x + r.width;
+	p[1].y = r.y;
+
+	p[2].x = r.x + r.width;
+	p[2].y = r.y + r.height;
+
+	p[3].x = r.x;
+	p[3].y = r.y + r.height;
 
 	MwLLPolygon(handle->lowlevel, p, 4, color);
 }
 
+void MwDrawRectLine(MwWidget handle, MwRect* rect, MwLLColor color) {
+	MwPoint p[5];
+	MwRect	r = *rect;
+
+	if(r.width < 0) {
+		r.width *= -1;
+		r.x -= r.width;
+	}
+
+	if(r.height < 0) {
+		r.height *= -1;
+		r.y -= r.height;
+	}
+
+	p[0].x = r.x;
+	p[0].y = r.y;
+
+	p[1].x = r.x + r.width;
+	p[1].y = r.y;
+
+	p[2].x = r.x + r.width;
+	p[2].y = r.y + r.height;
+
+	p[3].x = r.x;
+	p[3].y = r.y + r.height;
+
+	p[4] = p[0];
+
+	MwLLLine(handle->lowlevel, &p[0], color);
+	MwLLLine(handle->lowlevel, &p[1], color);
+	MwLLLine(handle->lowlevel, &p[2], color);
+	MwLLLine(handle->lowlevel, &p[3], color);
+}
+
 void MwDrawRectFading(MwWidget handle, MwRect* rect, MwLLColor color) {
 	MwLLPixmap     pixmap;
 	int	       y;

src/widget/chart.c

@@ -1,12 +1,62 @@
 #include <Mw/Milsko.h>
 
+#include "../../external/stb_ds.h"
+
+static const char* palette0[] = {
+    "#800",
+    "#080",
+    "#880",
+    "#008",
+    "#808",
+    "#088",
+    "#888",
+    "#f00",
+    "#0f0",
+    "#ff0",
+    "#00f",
+    "#f0f",
+    "#0ff",
+    "#fff",
+    NULL};
+
 static int wcreate(MwWidget handle) {
+	MwChart c = malloc(sizeof(*c));
+	memset(c, 0, sizeof(*c));
+
+	handle->internal = c;
+
+	MwSetDefault(handle);
+
 	return 0;
 }
 
+static void destroy(MwWidget handle) {
+	MwChartReset(handle);
+	free(handle->internal);
+}
+
 static void draw(MwWidget handle) {
-	MwLLColor base = MwParseColor(handle, MwGetText(handle, MwNbackground));
-	MwRect	  r;
+	MwLLColor    base   = MwParseColor(handle, MwGetText(handle, MwNbackground));
+	MwLLColor    border = MwParseColor(handle, MwGetText(handle, MwNforeground));
+	MwRect	     r;
+	MwChart	     c = handle->internal;
+	int	     i;
+	const char** colors = palette0;
+	int	     n;
+	int	     gap;
+	int	     width;
+	MwRect	     node;
+	double	     min   = 0xffffffff;
+	double	     max   = -0xffffffff;
+	int	     space = MwTextHeight(handle, NULL, "M");
+	MwPoint	     p[2];
+
+	for(n = 0; colors[n] != NULL; n++);
+
+	for(i = 0; i < arrlen(c->entries); i++) {
+		if(min > c->entries[i].value) min = c->entries[i].value;
+		if(max < c->entries[i].value) max = c->entries[i].value;
+	}
 
 	r.x	 = 0;
 	r.y	 = 0;
@@ -14,31 +64,144 @@ static void draw(MwWidget handle) {
 	r.height = MwGetInteger(handle, MwNheight);
 	MwDrawRect(handle, &r, base);
 
+	if(min > 0) {
+		min = 0;
+	} else if(min < 0) {
+		min -= r.height / 10;
+	}
+
+	node.x = 16;
+	node.y = 0;
+
+	width = (r.width - node.x) * 2 / (arrlen(c->entries) * 3 + 1);
+	gap   = width / 2;
+
+	p[0].x = node.x;
+	p[0].y = r.height - space;
+
+	p[1].x = node.x + (width + gap) * arrlen(c->entries) + gap;
+	p[1].y = p[0].y;
+	MwLLLine(handle->lowlevel, &p[0], border);
+
+	p[0].y = r.height - space - abs(min / (max - min) * (r.height - space));
+	p[1].y = p[0].y;
+	MwLLLine(handle->lowlevel, &p[0], border);
+	MwDrawText(handle, NULL, p, "0", MwALIGNMENT_END, border);
+
+	p[0].x = node.x;
+	p[0].y = 0;
+
+	p[1].x = node.x;
+	p[1].y = r.height - space;
+	MwLLLine(handle->lowlevel, &p[0], border);
+
+	node.width = width;
+	for(i = 0; i < arrlen(c->entries); i++) {
+		MwLLColor color = MwParseColor(handle, c->entries[i].color == NULL ? colors[i % n] : c->entries[i].color);
+
+		node.x += gap;
+
+		node.height = c->entries[i].value / (max - min) * (r.height - space);
+		node.y	    = r.height - space - node.height - abs(min / (max - min) * (r.height - space));
+
+		MwDrawRect(handle, &node, color);
+		MwDrawRectLine(handle, &node, border);
+
+		p[0].x = node.x + node.width / 2;
+		p[0].y = r.height - space / 2;
+
+		MwDrawText(handle, NULL, p, c->entries[i].name, MwALIGNMENT_CENTER, border);
+
+		node.x += node.width;
+
+		MwLLFreeColor(color);
+	}
+
+	MwLLFreeColor(border);
 	MwLLFreeColor(base);
 }
 
 static void prop_change(MwWidget handle, const char* key) {
-	if(strcmp(key, MwNhour) == 0 || strcmp(key, MwNminute) == 0 || strcmp(key, MwNsecond) == 0) MwForceRender(handle);
+	if(strcmp(key, MwNtype) == 0) MwForceRender(handle);
+}
+
+static int mwChartAddImpl(MwWidget handle, int index, const char* text, double value, const char* color) {
+	MwChart	     c = handle->internal;
+	MwChartEntry e;
+
+	if(index == -1) index = arrlen(c->entries);
+
+	e.name	= MwStringDuplicate(text);
+	e.color = color == NULL ? NULL : MwStringDuplicate(color);
+	e.value = value;
+
+	arrins(c->entries, index, e);
+
+	MwForceRender(handle);
+
+	return index;
+}
+
+static void mwChartDeleteImpl(MwWidget handle, int index) {
+	MwChart c = handle->internal;
+
+	if(index == -1) index = arrlen(c->entries) - 1;
+
+	free(c->entries[index].name);
+	if(c->entries[index].color != NULL) free(c->entries[index].color);
+	arrdel(c->entries, index);
+
+	MwForceRender(handle);
+}
+
+static void mwChartResetImpl(MwWidget handle) {
+	MwChart c = handle->internal;
+	int	i;
+
+	for(i = 0; i < arrlen(c->entries); i++) {
+		free(c->entries[i].name);
+		if(c->entries[i].color != NULL) free(c->entries[i].color);
+	}
+	arrfree(c->entries);
+
+	MwForceRender(handle);
+}
+
+static void func_handler(MwWidget handle, const char* name, void* out, va_list va) {
+	if(strcmp(name, "mwChartAdd") == 0) {
+		int	    index = va_arg(va, int);
+		const char* text  = va_arg(va, const char*);
+		double	    value = va_arg(va, double);
+		const char* color = va_arg(va, const char*);
+		*(int*)out	  = mwChartAddImpl(handle, index, text, value, color);
+	}
+	if(strcmp(name, "mwChartDelete") == 0) {
+		int index = va_arg(va, int);
+		mwChartDeleteImpl(handle, index);
+	}
+	if(strcmp(name, "mwChartReset") == 0) {
+		mwChartResetImpl(handle);
+	}
 }
 
 MwClassRec MwChartClassRec = {
-    wcreate,	 /* create */
-    NULL,	 /* destroy */
-    draw,	 /* draw */
-    NULL,	 /* click */
-    NULL,	 /* parent_resize */
-    prop_change, /* prop_change */
-    NULL,	 /* mouse_move */
-    NULL,	 /* mouse_up */
-    NULL,	 /* mouse_down */
-    NULL,	 /* key */
-    NULL,	 /* execute */
-    NULL,	 /* tick */
-    NULL,	 /* resize */
-    NULL,	 /* children_update */
-    NULL,	 /* children_prop_change */
-    NULL,	 /* clipboard */
-    NULL,	 /* props_change */
+    wcreate,	   /* create */
+    destroy,	   /* destroy */
+    draw,	   /* draw */
+    NULL,	   /* click */
+    NULL,	   /* parent_resize */
+    prop_change,   /* prop_change */
+    NULL,	   /* mouse_move */
+    NULL,	   /* mouse_up */
+    NULL,	   /* mouse_down */
+    NULL,	   /* key */
+    func_handler,  /* execute */
+    NULL,	   /* tick */
+    MwForceRender, /* resize */
+    NULL,	   /* children_update */
+    NULL,	   /* children_prop_change */
+    NULL,	   /* clipboard */
+    NULL,	   /* props_change */
     NULL,
     NULL,
     NULL};

src/widget/combobox.c

@@ -20,12 +20,8 @@ static int wcreate(MwWidget handle) {
 
 static void destroy(MwWidget handle) {
 	MwComboBox cb = handle->internal;
-	int	   i;
 
-	for(i = 0; i < arrlen(cb->list); i++) {
-		free(cb->list[i]);
-	}
-	arrfree(cb->list);
+	MwComboBoxReset(handle);
 	free(handle->internal);
 }
 
@@ -145,6 +141,13 @@ static void prop_change(MwWidget handle, const char* prop) {
 	}
 }
 
+static void parent_resize(MwWidget handle) {
+	MwComboBox cb = handle->internal;
+	if(cb->opened) {
+		click(handle);
+	}
+}
+
 static void mwComboBoxAddImpl(MwWidget handle, int index, const char* text) {
 	MwComboBox cb = handle->internal;
 	char*	   t  = MwStringDuplicate(text);
@@ -153,7 +156,7 @@ static void mwComboBoxAddImpl(MwWidget handle, int index, const char* text) {
 
 	arrins(cb->list, index, t);
 
-	if(index <= MwGetInteger(handle, MwNvalue)) MwForceRender(handle);
+	MwForceRender(handle);
 }
 
 static const char* mwComboBoxGetImpl(MwWidget handle, int index) {
@@ -162,6 +165,29 @@ static const char* mwComboBoxGetImpl(MwWidget handle, int index) {
 	return cb->list[index];
 }
 
+static void mwComboBoxDeleteImpl(MwWidget handle, int index) {
+	MwComboBox cb = handle->internal;
+	int	   n  = MwGetInteger(handle, MwNvalue);
+
+	free(cb->list[index]);
+	arrdel(cb->list, index);
+
+	if(index < n && n > 0) {
+		MwSetInteger(handle, MwNvalue, n - 1);
+	}
+
+	MwForceRender(handle);
+}
+
+static void mwComboBoxResetImpl(MwWidget handle) {
+	MwComboBox cb = handle->internal;
+
+	arrfree(cb->list);
+	MwSetInteger(handle, MwNvalue, 0);
+
+	MwForceRender(handle);
+}
+
 static void func_handler(MwWidget handle, const char* name, void* out, va_list va) {
 	if(strcmp(name, "mwComboBoxAdd") == 0) {
 		int	    index = va_arg(va, int);
@@ -172,12 +198,12 @@ static void func_handler(MwWidget handle, const char* name, void* out, va_list v
 		int index	   = va_arg(va, int);
 		*(const char**)out = mwComboBoxGetImpl(handle, index);
 	}
-}
-
-static void parent_resize(MwWidget handle) {
-	MwComboBox cb = handle->internal;
-	if(cb->opened) {
-		click(handle);
+	if(strcmp(name, "mwComboBoxDelete") == 0) {
+		int index = va_arg(va, int);
+		mwComboBoxDeleteImpl(handle, index);
+	}
+	if(strcmp(name, "mwComboBoxReset") == 0) {
+		mwComboBoxResetImpl(handle);
 	}
 }
 

src/widget/treeview.c

@@ -317,6 +317,7 @@ static int wcreate(MwWidget handle) {
 }
 
 static void destroy(MwWidget handle) {
+	MwTreeViewReset(handle);
 	free(handle->internal);
 }
 

src/widget/window.c

@@ -51,6 +51,7 @@ static void func_handler(MwWidget handle, const char* name, void* out, va_list v
 		mwWindowShouldCloseImpl(handle, out);
 	}
 }
+
 MwClassRec MwWindowClassRec = {
     wcreate,	  /* create */
     NULL,	  /* destroy */