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Added theme loading to Colors.cpp. Not wired into any UI yet, nor is there

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any public API to set the file yet.
This commit is contained in:
casey langen 2017-03-12 15:49:59 -07:00
parent 05638c30e7
commit 4f8cc32557
1 changed files with 147 additions and 9 deletions
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156
src/musikbox/cursespp/Colors.cpp
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@ -33,9 +33,11 @@
//////////////////////////////////////////////////////////////////////////////
#include <stdafx.h>
#include <json.hpp>
#include "Colors.h"
using namespace cursespp;
using namespace nlohmann;
/* if the terminal supports custom colors, these are the palette
indicies we'll use to store them */
@ -69,6 +71,46 @@ indicies we'll use to store them */
#define THEME_COLOR_LIST_ITEM_ACTIVE_BACKGROUND 43
#define THEME_COLOR_LIST_ITEM_ACTIVE_FOREGROUND 44
/* user-readable names for the color identifiers above. these are
used as key names in the config files */
#define JSON_KEY_COLOR_BACKGROUND "background"
#define JSON_KEY_COLOR_FOREGROUND "foreground"
#define JSON_KEY_COLOR_FOCUSED_BORDER "focused_border"
#define JSON_KEY_COLOR_TEXT_FOCUSED "text_focused"
#define JSON_KEY_COLOR_TEXT_ACTIVE "text_active"
#define JSON_KEY_COLOR_TEXT_DISABLED "text_disabled"
#define JSON_KEY_COLOR_TEXT_HIDDEN "text_hidden"
#define JSON_KEY_COLOR_TEXT_WARNING "text_warning"
#define JSON_KEY_COLOR_TEXT_ERROR "text_error"
#define JSON_KEY_COLOR_OVERLAY_BACKGROUND "overlay_background"
#define JSON_KEY_COLOR_OVERLAY_FOREGROUND "overlay_foreground"
#define JSON_KEY_COLOR_OVERLAY_BORDER "overlay_border"
#define JSON_KEY_COLOR_OVERLAY_FOCUSED_BORDER "overlay_focused_border"
#define JSON_KEY_COLOR_SHORTCUTS_BACKGROUND "shortcuts_background"
#define JSON_KEY_COLOR_SHORTCUTS_FOREGROUND "shortcuts_foreground"
#define JSON_KEY_COLOR_SHORTCUTS_BACKGROUND_FOCUSED "shortcuts_background_focused"
#define JSON_KEY_COLOR_SHORTCUTS_FOREGROUND_FOCUSED "shortcuts_foreground_focused"
#define JSON_KEY_COLOR_BUTTON_BACKGROUND_NORMAL "button_background_normal"
#define JSON_KEY_COLOR_BUTTON_FOREGROUND_NORMAL "button_foreground_normal"
#define JSON_KEY_COLOR_BUTTON_BACKGROUND_ACTIVE "button_background_active"
#define JSON_KEY_COLOR_BUTTON_FOREGROUND_ACTIVE "button_foreground_active"
#define JSON_KEY_COLOR_BANNER_BACKGROUND "banner_background"
#define JSON_KEY_COLOR_BANNER_FOREGROUND "banner_foreground"
#define JSON_KEY_COLOR_LIST_HEADER_BACKGROUND "list_header_background"
#define JSON_KEY_COLOR_LIST_HEADER_FOREGROUND "list_header_foreground"
#define JSON_KEY_COLOR_LIST_ITEM_HIGHLIGHTED_BACKGROUND "list_item_highlighted_background"
#define JSON_KEY_COLOR_LIST_ITEM_HIGHLIGHTED_FOREGROUND "list_item_highlighted_foreground"
#define JSON_KEY_COLOR_LIST_ITEM_ACTIVE_BACKGROUND "list_item_active_background"
#define JSON_KEY_COLOR_LIST_ITEM_ACTIVE_FOREGROUND "list_item_active_foreground"
#define JSON_KEY_NAME "name"
#define JSON_KEY_SCHEMA_VERSION "schemaVersion"
#define JSON_KEY_COLORS "colors"
#define JSON_KEY_HEX "hex"
#define JSON_KEY_PALETTE "palette"
#define JSON_CURRENT_SCHEMA_VERSION 1
/* if we can't set custom colors, but we have the full 256 color
palette, use ones that most closely match our desired colors */
#define COLOR_256_GREEN 148
@ -87,15 +129,7 @@ struct Theme {
enum Mode { Standard, Palette, Custom };
Color() {
Set(-1, -1, -1);
}
void Set(int colorId, int hex, int palette) {
this->colorId = colorId;
this->r = hex >> 16;
this->g = (hex >> 8) & 0x0000ff;
this->b = hex & 0x0000ff;
this->palette = palette;
Set(0, 0, 0, 0, 0);
}
void Set(int colorId, int r, int g, int b, int palette) {
@ -106,6 +140,23 @@ struct Theme {
this->palette = palette;
}
void Set(const json& obj) {
if (!obj.is_null()) {
std::string hex = obj.value(JSON_KEY_HEX, "");
if (hex.length() == 7 && hex[0] == '#') {
int rgb = strtol(hex.substr(1).c_str(), 0, 16);
this->b = rgb & 0x0000ff;
this->r = rgb >> 16;
this->g = (rgb >> 8) & 0x0000ff;
}
long palette = obj.value(JSON_KEY_PALETTE, -1);
if (palette != -1) {
this->palette = palette;
}
}
}
int Id(Mode mode, int defaultValue) {
if (mode == Standard) {
return defaultValue;
@ -169,6 +220,92 @@ struct Theme {
listActiveForeground.Set(THEME_COLOR_LIST_ITEM_ACTIVE_FOREGROUND, 230, 220, 116, COLOR_256_YELLOW);
}
bool LoadFromFile(const std::string& fn) {
#ifdef WIN32
std::wstring u16fn = u8to16(fn);
FILE* file = _wfopen(u16fn.c_str(), L"rb");
#else
FILE* file = fopen(fn, "rb");
#endif
if (!file) {
return false;
}
bool success = false;
char* buffer = nullptr;
if (fseek(file, 0L, SEEK_END) == 0) {
long fileSize = ftell(file);
if (fileSize == -1) {
goto close_and_return;
}
if (fseek(file, 0L, SEEK_SET) != 0) {
goto close_and_return;
}
buffer = (char*) malloc(sizeof(char) * (fileSize + 1));
unsigned readCount = fread(buffer, sizeof(char), fileSize, file);
if (readCount != fileSize) {
goto close_and_return;
}
buffer[readCount] = 0; /* null terminate */
try {
json data = json::parse(buffer);
/* validate schema version */
int schemaVersion = data[JSON_KEY_SCHEMA_VERSION];
if (schemaVersion == JSON_CURRENT_SCHEMA_VERSION) {
std::string name = data[JSON_KEY_NAME];
json colors = data[JSON_KEY_COLORS];
static json unset;
/* actually read the theme values! */
this->background.Set(colors.value(JSON_KEY_COLOR_BACKGROUND, unset));
this->foreground.Set(colors.value(JSON_KEY_COLOR_FOREGROUND, unset));
this->focusedBorder.Set(colors.value(JSON_KEY_COLOR_FOCUSED_BORDER, unset));
this->textFocused.Set(colors.value(JSON_KEY_COLOR_TEXT_FOCUSED, unset));
this->textActive.Set(colors.value(JSON_KEY_COLOR_TEXT_ACTIVE, unset));
this->textDisabled.Set(colors.value(JSON_KEY_COLOR_TEXT_DISABLED, unset));
this->textHidden.Set(colors.value(JSON_KEY_COLOR_TEXT_HIDDEN, unset));
this->textWarning.Set(colors.value(JSON_KEY_COLOR_TEXT_WARNING, unset));
this->textError.Set(colors.value(JSON_KEY_COLOR_TEXT_ERROR, unset));
this->overlayBackground.Set(colors.value(JSON_KEY_COLOR_OVERLAY_BACKGROUND, unset));
this->overlayForeground.Set(colors.value(JSON_KEY_COLOR_OVERLAY_FOREGROUND, unset));
this->overlayBorder.Set(colors.value(JSON_KEY_COLOR_OVERLAY_BORDER, unset));
this->overlayFocusedBorder.Set(colors.value(JSON_KEY_COLOR_OVERLAY_FOCUSED_BORDER, unset));
this->shortcutsBackground.Set(colors.value(JSON_KEY_COLOR_SHORTCUTS_BACKGROUND, unset));
this->shortcutsForeground.Set(colors.value(JSON_KEY_COLOR_SHORTCUTS_FOREGROUND, unset));
this->focusedShortcutsBackground.Set(colors.value(JSON_KEY_COLOR_SHORTCUTS_BACKGROUND_FOCUSED, unset));
this->focusedShortcutsForeground.Set(colors.value(JSON_KEY_COLOR_SHORTCUTS_FOREGROUND_FOCUSED, unset));
this->buttonBackgroundNormal.Set(colors.value(JSON_KEY_COLOR_BUTTON_BACKGROUND_NORMAL, unset));
this->buttonForegroundNormal.Set(colors.value(JSON_KEY_COLOR_BUTTON_FOREGROUND_NORMAL, unset));
this->buttonBackgroundActive.Set(colors.value(JSON_KEY_COLOR_BUTTON_BACKGROUND_ACTIVE, unset));
this->buttonForegroundActive.Set(colors.value(JSON_KEY_COLOR_BUTTON_FOREGROUND_ACTIVE, unset));
this->bannerBackground.Set(colors.value(JSON_KEY_COLOR_BANNER_BACKGROUND, unset));
this->bannerForeground.Set(colors.value(JSON_KEY_COLOR_BANNER_FOREGROUND, unset));
this->listHeaderBackground.Set(colors.value(JSON_KEY_COLOR_LIST_HEADER_BACKGROUND, unset));
this->listHeaderForeground.Set(colors.value(JSON_KEY_COLOR_LIST_HEADER_FOREGROUND, unset));
this->listHighlightedBackground.Set(colors.value(JSON_KEY_COLOR_LIST_ITEM_HIGHLIGHTED_BACKGROUND, unset));
this->listHighlightedForeground.Set(colors.value(JSON_KEY_COLOR_LIST_ITEM_HIGHLIGHTED_FOREGROUND, unset));
this->listActiveBackground.Set(colors.value(JSON_KEY_COLOR_LIST_ITEM_ACTIVE_BACKGROUND, unset));
this->listActiveForeground.Set(colors.value(JSON_KEY_COLOR_LIST_ITEM_ACTIVE_FOREGROUND, unset));
}
}
catch (...) {
goto close_and_return;
}
}
close_and_return:
fclose(file);
free(buffer);
return success;
}
/* initializes all of the color pairs from the specified colors, then applies them
to the current session! */
void Apply(Color::Mode mode) {
@ -322,5 +459,6 @@ void Colors::Init(bool disableCustomColors) {
mode = canChangeColors() ? Color::Custom : Color::Palette;
}
//defaultTheme.LoadFromFile("d:\\solarized_dark.json");
defaultTheme.Apply(mode);
}