Imported new Button class, deleted menu_bar.*pp

This commit is contained in:
2015-08-02 01:45:46 +10:00
parent 48f5512e1a
commit aa9081d9cf
5 changed files with 148 additions and 281 deletions
+1 -1
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@@ -4,5 +4,5 @@ all:
$(MAKE) -C graphics
$(MAKE) -C map
$(MAKE) -C network
# $(MAKE) -C ui
$(MAKE) -C ui
$(MAKE) -C utilities
+127 -38
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@@ -23,59 +23,148 @@
#include <stdexcept>
Button::State Button::MouseMotion(SDL_MouseMotionEvent const& motion) {
return CalcState(motion.x, motion.y, motion.state & SDL_BUTTON_LMASK);
void Button::DrawTo(SDL_Renderer* renderer) {
image.SetClipY(image.GetClipH() * state);
image.DrawTo(renderer, posX, posY);
}
Button::State Button::MouseButtonDown(SDL_MouseButtonEvent const& button) {
if (button.button == SDL_BUTTON_LEFT) {
return CalcState(button.x, button.y, true);
void Button::SetBackgroundTexture(SDL_Renderer* renderer, SDL_Texture* texture) {
//copy the given texture
image.Free();
//a null texture can simply free the image
if (!texture) {
return;
}
return state;
//get the w & h, & create
int w = 0, h = 0;
SDL_QueryTexture(texture, nullptr, nullptr, &w, &h);
image.Create(renderer, w, h);
//copy
SDL_SetRenderTarget(renderer, image.GetTexture());
SDL_RenderCopy(renderer, texture, nullptr, nullptr);
SDL_SetRenderTarget(renderer, nullptr);
//prune
image.SetClipH(image.GetClipH() / 3);
}
Button::State Button::MouseButtonUp(SDL_MouseButtonEvent const& button) {
if (button.button == SDL_BUTTON_LEFT) {
return CalcState(button.x, button.y, false);
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"));
}
return state;
//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"));
}
//get the dimensions & rects
int x, y, w, h;
SDL_QueryTexture(text, nullptr, nullptr, &w, &h);
x = (image.GetClipW() - w) / 2;
y = (image.GetClipH() - h) / 2;
SDL_Rect src = {0, 0, w, h};
SDL_Rect dst;
//draw the text to the background
SDL_SetRenderTarget(renderer, image.GetTexture());
for (int i = 0; i < 3; i++) {
dst = {x, y + image.GetClipH() * i, w, h};
SDL_RenderCopy(renderer, text, &src, &dst);
}
SDL_SetRenderTarget(renderer, nullptr);
//free the texture
SDL_DestroyTexture(text);
//DEBUG: testing
// image.SetClipH(image.GetClipH() * 3);
}
void Button::DrawTo(SDL_Surface* const dest) {
if (!image || !font) {
throw(std::runtime_error("Surface not set for Button"));
}
image->SetClipY(state * image->GetClipH());
image->DrawTo(dest, x, y);
font->DrawStringTo(text, dest, textX + x, textY + y);
void Button::SetX(int x) {
posX = x;
}
std::string Button::SetText(std::string t) {
if (!image || !font) {
throw(std::runtime_error("Surface not set for Button"));
}
//one line, cache the position
text = t;
textX = (image->GetClipW() / 2) - (font->GetCharW() * text.size() / 2);
textY = (image->GetClipH() / 2) - (font->GetCharH() / 2);
return text;
void Button::SetY(int y) {
posY = y;
}
Button::State Button::CalcState(Sint16 i, Sint16 j, bool leftPressed) {
if (!image || !font) {
throw(std::runtime_error("Surface not set for Button"));
}
//if out of bounds
if (i < x || i >= (x + image->GetClipW()) ||
j < y || j >= (y + image->GetClipH())
) {
return state = State::NORMAL;
Button::State Button::MouseMotion(SDL_MouseMotionEvent const& event) {
//if out of bounds, exit
if (!CheckBounds(event.x, event.y)) {
return state = State::IDLE;
}
if (leftPressed) {
return state = State::PRESSED;
//if in bounds, check button
if (event.state & SDL_BUTTON_LMASK && state == State::PRESSED) {
//stay pressed
// state = State::PRESSED;
}
else {
return state = State::HOVER;
state = State::HOVER;
}
return state;
}
Button::State Button::MouseButtonDown(SDL_MouseButtonEvent const& event) {
//if out of bounds, exit
if (!CheckBounds(event.x, event.y)) {
return state = State::IDLE;
}
//if in bounds, check button
if (event.button == SDL_BUTTON_LEFT) {
return state = State::PRESSED;
}
//NOTE: if not left button down, ignore
return State::HOVER;
}
Button::State Button::MouseButtonUp(SDL_MouseButtonEvent const& event) {
//if out of bounds, exit
if (!CheckBounds(event.x, event.y)) {
return state = State::IDLE;
}
//if not left button up, ignore
if (event.button != SDL_BUTTON_LEFT) {
return state;
}
//if in bounds and left button up, send release signal
if (state == State::PRESSED) {
state = State::HOVER;
return State::RELEASED;
}
return state;
}
void Button::SetState(State s) {
state = s;
}
Button::State Button::GetState() {
return state;
}
bool Button::CheckBounds(int x, int y) {
//return if true (x, y) is within bounds, otherwise return false
return !(
x < posX ||
y < posY ||
x > posX + image.GetClipW() ||
y > posY + image.GetClipH()
);
}
+20 -15
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@@ -21,7 +21,6 @@
*/
#pragma once
#include "bounding_box.hpp"
#include "image.hpp"
#include "SDL2/SDL_ttf.h"
@@ -30,29 +29,35 @@
class Button {
public:
//states available
enum class State {
NORMAL, HOVER, PRESSED
enum State {
IDLE = 0, HOVER = 1, PRESSED = 2, RELEASED = 3
};
//methods
Button() = default;
~Button() = default;
void RenderText(std::string s);
bool CaptureInput(int x, int y, bool pressed);
void DrawTo(SDL_Renderer*, int camX, int camY);
void DrawTo(SDL_Renderer*);
//accessors & mutators
int SetX(int x) { return posX = x; }
int SetY(int y) { return posY = y; }
int GetX() { return posX; }
int GetY() { return posY; }
Image* GetImage() { return &image; }
BoundingBox* GetBoundingBox() { return &boundingBox; }
//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);
//capture input
State MouseMotion(SDL_MouseMotionEvent const&);
State MouseButtonDown(SDL_MouseButtonEvent const&);
State MouseButtonUp(SDL_MouseButtonEvent const&);
//states
void SetState(State); //TODO: idle, busy or disabled
State GetState();
protected:
bool CheckBounds(int x, int y);
Image image;
BoundingBox boundingBox;
int posX = 0, posY = 0;
State state = State::IDLE;
};
-139
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@@ -1,139 +0,0 @@
/* Copyright: (c) Kayne Ruse 2013-2015
*
* 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 "menu_bar.hpp"
#include <stdexcept>
#include <sstream>
void MenuBar::DrawTo(SDL_Surface* const dest) {
for (auto& i : entries) {
i.DrawTo(dest);
}
}
void MenuBar::MouseMotion(SDL_MouseMotionEvent const& motion) {
for (auto& i : entries) {
i.MouseMotion(motion);
}
}
void MenuBar::MouseButtonDown(SDL_MouseButtonEvent const& button) {
for (auto& i : entries) {
i.MouseButtonDown(button);
}
}
void MenuBar::MouseButtonUp(SDL_MouseButtonEvent const& button, int* entry, int* butt) {
*entry = *butt = -1;
int ret = -1;
for (auto& i : entries) {
ret = i.MouseButtonUp(button);
if (ret != -1) {
*entry = (&i - entries.data());
*butt = ret;
}
}
}
void MenuBar::SetEntries(std::vector<std::vector<std::string>> info) {
if (!image || !font) {
throw(std::runtime_error("Surfaces not loaded into the menu bar"));
}
entries.clear();
for (int i = 0; i < info.size(); i++) {
//create the entry & the main button
entries.push_back(MenuBarEntry());
entries[i].mainButton.SetImage(image);
entries[i].mainButton.SetFont(font);
entries[i].mainButton.SetText(info[i][0]);
entries[i].mainButton.SetX(i * image->GetClipW());
entries[i].mainButton.SetY(0);
for (int j = 0; j < info[i].size()-1; j++) {
//create each drop button in this entry
entries[i].dropButtons.push_back(Button());
entries[i].dropButtons[j].SetImage(image);
entries[i].dropButtons[j].SetFont(font);
entries[i].dropButtons[j].SetText(info[i][j+1]);
entries[i].dropButtons[j].SetX(i * image->GetClipW());
entries[i].dropButtons[j].SetY((j+1) * image->GetClipH());
}
}
}
void MenuBar::MenuBarEntry::DrawTo(SDL_Surface* const dest) {
//only draw the dropButtons in the user has this menu open
mainButton.DrawTo(dest);
if (!open) {
return;
}
for (auto& i : dropButtons) {
i.DrawTo(dest);
}
}
void MenuBar::MenuBarEntry::MouseMotion(SDL_MouseMotionEvent const& motion) {
//open the menu
bool o = mainButton.MouseMotion(motion) == Button::State::PRESSED;
if (!(open |= o)) {
return;
}
for (auto& i : dropButtons) {
//dragging down the menu
o |= i.MouseMotion(motion) == Button::State::PRESSED;
}
open = o;
}
void MenuBar::MenuBarEntry::MouseButtonDown(SDL_MouseButtonEvent const& button) {
//open the menu
if (!(open = mainButton.MouseButtonDown(button) == Button::State::PRESSED)) {
return;
}
//update the others anyway
for (auto& i : dropButtons) {
i.MouseButtonDown(button);
}
}
int MenuBar::MenuBarEntry::MouseButtonUp(SDL_MouseButtonEvent const& button) {
int ret = -1;
mainButton.MouseButtonUp(button);
for (auto& i : dropButtons) {
//the user just released this button
if (i.GetState() != i.MouseButtonUp(button) && i.GetState() == Button::State::HOVER && open) {
//get this button's index
ret = (&i - dropButtons.data());
}
}
open = false;
return ret;
}
-88
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@@ -1,88 +0,0 @@
/* Copyright: (c) Kayne Ruse 2013-2015
*
* 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 "image.hpp"
#include "button.hpp"
#include <string>
#include <vector>
/* I've redesigned this so that the contents of the menu bar can't change during run time.
* This is more restrictive but I'm focusing on getting this working first.
* The Image and Font pointers must be set before the text data is entered.
*
* This class needs a rewrite.
*/
//TODO: This thing is fucking terrible, fix it and the button class
class MenuBar {
public:
MenuBar() = default;
~MenuBar() = default;
//yet another draw function
void DrawTo(SDL_Surface* const dest);
//user inputs
void MouseMotion(SDL_MouseMotionEvent const&);
void MouseButtonDown(SDL_MouseButtonEvent const&);
void MouseButtonUp(SDL_MouseButtonEvent const&, int* entry, int* button);
//manage the entries & buttons
void SetEntries(std::vector<std::vector<std::string>> info);
void ClearEntries() { entries.clear(); }
//Accessors and mutators
Image* SetImage(Image* const ptr) { return image = ptr; }
Image* GetImage() { return image; }
RasterFont* SetFont(RasterFont* const ptr) { return font = ptr; }
RasterFont* GetFont() { return font; }
private:
class MenuBarEntry;
std::vector<MenuBarEntry> entries;
Image* image = nullptr;
RasterFont* font = nullptr;
};
class MenuBar::MenuBarEntry {
public:
MenuBarEntry() = default;
~MenuBarEntry() = default;
void DrawTo(SDL_Surface* const dest);
void MouseMotion(SDL_MouseMotionEvent const&);
void MouseButtonDown(SDL_MouseButtonEvent const&);
int MouseButtonUp(SDL_MouseButtonEvent const&);
private:
Button mainButton;
std::vector<Button> dropButtons;
bool open = false;
friend class MenuBar;
};