Updated GUI library

common/graphics/button.cpp

@@ -21,6 +21,8 @@
 */
 #include "button.hpp"
 
+#include "render_text_texture.hpp"
+
 #include <stdexcept>
 
 void Button::DrawTo(SDL_Renderer* renderer) {
@@ -51,19 +53,9 @@ void Button::SetBackgroundTexture(SDL_Renderer* renderer, SDL_Texture* texture)
 	image.SetClipH(image.GetClipH() / 3);
 }
 
-void Button::SetText(SDL_Renderer* renderer, TTF_Font* font, std::string s, SDL_Color color) {
-	//make the surface (from SDL_ttf)
-	SDL_Surface* surf = TTF_RenderText_Solid(font, s.c_str(), color);
-	if (!surf) {
-		throw(std::runtime_error("Failed to create a TTF surface"));
-	}
-
+void Button::SetText(SDL_Renderer* renderer, TTF_Font* font, SDL_Color color, std::string s) {
 	//convert to texture
-	SDL_Texture* text = SDL_CreateTextureFromSurface(renderer, surf);
-	SDL_FreeSurface(surf);
-	if (!text) {
-		throw(std::runtime_error("Failed to create a TTF texture"));
-	}
+	SDL_Texture* text = renderTextTexture(renderer, font, color, s);
 
 	//get the dimensions & rects
 	int x, y, w, h;
@@ -87,14 +79,6 @@ void Button::SetText(SDL_Renderer* renderer, TTF_Font* font, std::string s, SDL_
 	SDL_DestroyTexture(text);
 }
 
-void Button::SetX(int x) {
-	posX = x;
-}
-
-void Button::SetY(int y) {
-	posY = y;
-}
-
 Button::State Button::MouseMotion(SDL_MouseMotionEvent const& event) {
 	//if out of bounds, exit
 	if (!CheckBounds(event.x, event.y)) {
@@ -156,6 +140,22 @@ Button::State Button::GetState() {
 	return state;
 }
 
+int Button::SetX(int i) {
+	return posX = i;
+}
+
+int Button::SetY(int i) {
+	return posY = i;
+}
+
+int Button::GetX() const {
+	return posX;
+}
+
+int Button::GetY() const {
+	return posY;
+}
+
 bool Button::CheckBounds(int x, int y) {
 	//return if true (x, y) is within bounds, otherwise return false
 	return !(

common/graphics/button.hpp

@@ -27,11 +27,6 @@
 
 #include <string>
 
-constexpr SDL_Color COLOR_WHITE = {255, 255, 255, 255};
-constexpr SDL_Color COLOR_RED = {255, 0, 0, 255};
-constexpr SDL_Color COLOR_ORANGE = {255, 127, 0, 255};
-constexpr SDL_Color COLOR_BLUE = {0, 0, 255, 255};
-
 class Button {
 public:
 	enum State {
@@ -46,9 +41,7 @@ public:
 
 	//setup
 	void SetBackgroundTexture(SDL_Renderer*, SDL_Texture*);
-	void SetText(SDL_Renderer*, TTF_Font*, std::string, SDL_Color);
-	void SetX(int x);
-	void SetY(int y);
+	void SetText(SDL_Renderer*, TTF_Font*, SDL_Color, std::string);
 
 	//capture input
 	State MouseMotion(SDL_MouseMotionEvent const&);
@@ -59,10 +52,16 @@ public:
 	void SetState(State); //TODO: idle, busy or disabled
 	State GetState();
 
+	//accessors & mutators
+	int SetX(int x);
+	int SetY(int y);
+	int GetX() const;
+	int GetY() const;
+
 protected:
 	bool CheckBounds(int x, int y);
 
 	Image image;
-	int posX = 0, posY = 0;
 	State state = State::IDLE;
+	int posX = 0, posY = 0;
 };

common/graphics/makefile

@@ -1,5 +1,5 @@
 #config
-INCLUDES+=.
+INCLUDES+=. ../utilities
 LIBS+=
 CXXFLAGS+=-std=c++11 $(addprefix -I,$(INCLUDES))
 

common/graphics/render_text_texture.cpp

@@ -0,0 +1,46 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#include "render_text_texture.hpp"
+
+#include <stdexcept>
+
+SDL_Texture* renderTextTexture(SDL_Renderer* renderer, TTF_Font* font, SDL_Color color, std::string str) {
+	//make the surface (from SDL_ttf)
+	SDL_Surface* surface = TTF_RenderText_Solid(font, str.c_str(), color);
+	if (!surface) {
+		throw(std::runtime_error("Failed to create a TTF surface"));
+	}
+
+	//convert to texture
+	SDL_Texture* texture = SDL_CreateTextureFromSurface(renderer, surface);
+
+	//cleanup
+	SDL_FreeSurface(surface);
+
+	//check
+	if (!texture) {
+		throw(std::runtime_error("Failed to create a TTF texture"));
+	}
+
+	//NOTE: free the texture yourself
+	return texture;
+}

common/graphics/render_text_texture.hpp

@@ -0,0 +1,29 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#pragma once
+
+#include "SDL2/SDL.h"
+#include "SDL2/SDL_ttf.h"
+
+#include <string>
+
+SDL_Texture* renderTextTexture(SDL_Renderer*, TTF_Font*, SDL_Color color, std::string);

common/graphics/text_box.cpp

@@ -31,15 +31,18 @@ TextBox::~TextBox() {
 	//
 }
 
-void TextBox::DrawTo(SDL_Renderer* renderer, int posX, int posY, int pointSize) {
+void TextBox::DrawTo(SDL_Renderer* renderer) {
+	int renderY = posY;
 	for (std::list<TextLine>::iterator it = lineList.begin(); it != lineList.end(); it++) {
-		it->DrawTo(renderer, posX, posY);
-		posY += pointSize;
+		it->SetX(posX);
+		it->SetY(renderY);
+		it->DrawTo(renderer);
+		renderY += it->GetPointHeight();
 	}
 }
 
-void TextBox::PushLine(SDL_Renderer* renderer, TTF_Font* font, std::string str, SDL_Color color) {
-	lineList.emplace_front(renderer, font, str, color);
+void TextBox::PushLine(SDL_Renderer* renderer, TTF_Font* font, SDL_Color color, std::string str) {
+	lineList.emplace_back(renderer, font, color, str, 0, 0);
 }
 
 void TextBox::PopLine(int num) {
@@ -47,10 +50,26 @@ void TextBox::PopLine(int num) {
 	num < lineList.size() ? num : lineList.size();
 
 	for (int i = 0; i < num; ++i) {
-		lineList.pop_back();
+		lineList.pop_front();
 	}
 }
 
 void TextBox::ClearLines() {
 	lineList.clear();
 }
+
+int TextBox::SetX(int i) {
+	return posX = i;
+}
+
+int TextBox::SetY(int i) {
+	return posY = i;
+}
+
+int TextBox::GetX() const {
+	return posX;
+}
+
+int TextBox::GetY() const {
+	return posY;
+}

common/graphics/text_box.hpp

@@ -34,12 +34,18 @@ public:
 	TextBox();
 	~TextBox();
 
-	void DrawTo(SDL_Renderer*, int posX, int posY, int pointSize);
+	void DrawTo(SDL_Renderer*);
 
-	void PushLine(SDL_Renderer*, TTF_Font*, std::string, SDL_Color color);
+	void PushLine(SDL_Renderer*, TTF_Font*, SDL_Color color, std::string);
 	void PopLine(int num = 1);
 	void ClearLines();
 
+	int SetX(int i);
+	int SetY(int i);
+	int GetX() const;
+	int GetY() const;
+
 private:
 	std::list<TextLine> lineList;
+	int posX = 0, posY = 0;
 };

common/graphics/text_field.cpp

@@ -0,0 +1,109 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#include "text_field.hpp"
+
+#include "render_text_texture.hpp"
+
+TextField::TextField() {
+	//
+}
+
+TextField::~TextField() {
+	SDL_DestroyTexture(texture);
+}
+
+void TextField::DrawTo(SDL_Renderer* renderer) {
+	if (!texture) {
+		return;
+	}
+	SDL_Rect dclip = {posX, posY, 0, 0};
+	SDL_QueryTexture(texture, nullptr, nullptr, &dclip.w, &dclip.h);
+	SDL_RenderCopy(renderer, texture, nullptr, &dclip);
+}
+
+std::string TextField::PushText(SDL_Renderer* renderer, TTF_Font* font, SDL_Color color, std::string s) {
+	text += s;
+	return SetText(renderer, font, color, text);
+}
+
+std::string TextField::SetText(SDL_Renderer* renderer, TTF_Font* font, SDL_Color color, std::string s) {
+	text = s;
+	SDL_DestroyTexture(texture);
+	if (text.size()) {
+		texture = renderTextTexture(renderer, font, color, text);
+	}
+	else {
+		texture = nullptr;
+	}
+	return text;
+}
+
+std::string TextField::PopChars(SDL_Renderer* renderer, TTF_Font* font, SDL_Color color, int i) {
+	if (text.size() > 0) {
+		text.erase(text.size() - i);
+	}
+	return SetText(renderer, font, color, text);
+}
+
+std::string TextField::GetText() {
+	return text;
+}
+
+bool TextField::MouseButtonDown(SDL_MouseButtonEvent const& event) {
+	BoundingBox cursorBox = {event.x, event.y, 0, 0};
+	BoundingBox fieldBox = bounds;
+	fieldBox.x += posX;
+	fieldBox.y += posY;
+	return focus = fieldBox.CheckOverlap(cursorBox);
+}
+
+BoundingBox TextField::SetBounds(BoundingBox b) {
+	return bounds = b;
+}
+
+BoundingBox TextField::GetBounds() {
+	return bounds;
+}
+
+bool TextField::SetFocus(bool b) {
+	return focus = b;
+}
+
+bool TextField::GetFocus() {
+	return focus;
+}
+
+int TextField::SetX(int i) {
+	return posX = i;
+}
+
+int TextField::SetY(int i) {
+	return posY = i;
+}
+
+int TextField::GetX() const {
+	return posX;
+}
+
+int TextField::GetY() const {
+	return posY;
+}

common/graphics/text_field.hpp

@@ -0,0 +1,65 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#pragma once
+
+#include "bounding_box.hpp"
+
+#include "SDL2/SDL.h"
+#include "SDL2/SDL_ttf.h"
+
+#include <string>
+
+class TextField {
+public:
+	TextField();
+	~TextField();
+
+	void DrawTo(SDL_Renderer*);
+
+	//input
+	std::string PushText(SDL_Renderer*, TTF_Font*, SDL_Color color, std::string);
+	std::string SetText(SDL_Renderer*, TTF_Font*, SDL_Color color, std::string);
+	std::string PopChars(SDL_Renderer*, TTF_Font*, SDL_Color color, int i);
+
+	std::string GetText();
+
+	bool MouseButtonDown(SDL_MouseButtonEvent const& event);
+
+	BoundingBox SetBounds(BoundingBox b);
+	BoundingBox GetBounds();
+
+	bool SetFocus(bool b);
+	bool GetFocus();
+
+	//accessors & mutators
+	int SetX(int i);
+	int SetY(int i);
+	int GetX() const;
+	int GetY() const;
+
+private:
+	SDL_Texture* texture = nullptr;
+	std::string text;
+	BoundingBox bounds;
+	bool focus = false;
+	int posX = 0, posY = 0;
+};

common/graphics/text_line.cpp

@@ -21,50 +21,58 @@
 */
 #include "text_line.hpp"
 
+#include "render_text_texture.hpp"
+
 #include <stdexcept>
 
-SDL_Texture* renderTextTexture(SDL_Renderer* renderer, TTF_Font* font, std::string str, SDL_Color color) {
-	//make the surface (from SDL_ttf)
-	SDL_Surface* surface = TTF_RenderText_Solid(font, str.c_str(), color);
-	if (!surface) {
-		throw(std::runtime_error("Failed to create a TTF surface"));
-	}
-
-	//convert to texture
-	SDL_Texture* texture = SDL_CreateTextureFromSurface(renderer, surface);
-
-	//cleanup
-	SDL_FreeSurface(surface);
-
-	//check
-	if (!texture) {
-		throw(std::runtime_error("Failed to create a TTF texture"));
-	}
-
-	//NOTE: free the texture yourself
-	return texture;
-}
-
 TextLine::TextLine() {
 	//
 }
 
+TextLine::TextLine(SDL_Renderer* renderer, TTF_Font* font, SDL_Color color, std::string str, int x, int y) {
+	SetText(renderer, font, color, str);
+	posX = x;
+	posY = y;
+}
+
 TextLine::~TextLine() {
 	ClearText();
 }
 
-void TextLine::DrawTo(SDL_Renderer* renderer, int posX, int posY) {
+void TextLine::DrawTo(SDL_Renderer* renderer) {
 	SDL_Rect dclip = {posX, posY, 0, 0};
 	SDL_QueryTexture(texture, nullptr, nullptr, &dclip.w, &dclip.h);
 	SDL_RenderCopy(renderer, texture, nullptr, &dclip);
 }
 
-void TextLine::SetText(SDL_Renderer* renderer, TTF_Font* font, std::string str, SDL_Color color) {
+void TextLine::SetText(SDL_Renderer* renderer, TTF_Font* font, SDL_Color color, std::string str) {
 	//just use the above global function
 	SDL_DestroyTexture(texture);
-	texture = renderTextTexture(renderer, font, str, color);
+	texture = renderTextTexture(renderer, font, color, str);
+	pointHeight = TTF_FontHeight(font);
 }
 
 void TextLine::ClearText() {
 	SDL_DestroyTexture(texture);
+	pointHeight = 0;
+}
+
+int TextLine::SetX(int i) {
+	return posX = i;
+}
+
+int TextLine::SetY(int i) {
+	return posY = i;
+}
+
+int TextLine::GetX() const {
+	return posX;
+}
+
+int TextLine::GetY() const {
+	return posY;
+}
+
+int TextLine::GetPointHeight() {
+	return pointHeight;
 }

common/graphics/text_line.hpp

@@ -26,20 +26,28 @@
 
 #include <string>
 
-SDL_Texture* renderTextTexture(SDL_Renderer*, TTF_Font*, std::string, SDL_Color color);
-
 class TextLine {
 public:
 	TextLine();
-	TextLine(SDL_Renderer* r, TTF_Font* f, std::string s, SDL_Color c)
-		{ SetText(r, f, s, c); }
+	TextLine(SDL_Renderer*, TTF_Font*, SDL_Color, std::string, int x, int y);
 	virtual ~TextLine();
 
-	void DrawTo(SDL_Renderer*, int posX, int posY);
+	void DrawTo(SDL_Renderer*);
 
-	void SetText(SDL_Renderer*, TTF_Font*, std::string, SDL_Color color);
+	void SetText(SDL_Renderer*, TTF_Font*, SDL_Color, std::string);
 	void ClearText();
 
+	//accessors & mutators
+	int SetX(int i);
+	int SetY(int i);
+	int GetX() const;
+	int GetY() const;
+
+	//utility
+	int GetPointHeight();
+
 protected:
 	SDL_Texture* texture = nullptr;
+	int posX = 0, posY = 0;
+	int pointHeight = 0; //internal use for TextBox
 };