1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174
|
#ifndef NEWSBOAT_FORMACTION_H_
#define NEWSBOAT_FORMACTION_H_
#include <memory>
#include <string>
#include <vector>
#include "history.h"
#include "keymap.h"
#include "lineview.h"
#include "listwidget.h"
#include "stflpp.h"
namespace newsboat {
class ConfigContainer;
class RssFeed;
class TextviewWidget;
class View;
typedef std::pair<std::string, std::string> QnaPair;
enum class CommandType {
QUIT,
SAVE,
GOTO,
TAG,
SET,
SOURCE,
DUMPCONFIG,
EXEC,
UNKNOWN, /// Unknown/non-existing command. Tokenized input is stored in Command.args
INVALID, /// differs from UNKNOWN in that no input was parsed
};
enum class BindingType {
BindKey,
Macro,
Bind,
};
struct Command {
CommandType type;
std::vector<std::string> args;
Command(CommandType type, std::vector<std::string> args = {})
: type(type)
, args(args)
{}
};
class FormAction {
public:
FormAction(View&, std::string formstr, ConfigContainer* cfg);
virtual ~FormAction() = default;
virtual void prepare() = 0;
virtual void init() = 0;
virtual void set_redraw(bool b)
{
do_redraw = b;
}
virtual std::vector<KeyMapHintEntry> get_keymap_hint() const = 0;
virtual std::string id() const = 0;
std::string get_value(const std::string& name);
void set_value(const std::string& name, const std::string& value);
void set_status(const std::string& text);
void draw_form();
std::string draw_form_wait_for_event(unsigned int timeout);
void recalculate_widget_dimensions();
virtual void handle_cmdline(const std::string& cmd);
bool process_op(Operation op,
const std::vector<std::string>& args,
BindingType bindingType = BindingType::BindKey);
virtual void finished_qna(Operation op);
void start_cmdline(std::string default_value = "");
void start_qna(const std::vector<QnaPair>& prompts,
Operation finish_op,
History* h = nullptr);
void finish_qna_question();
void cancel_qna();
void qna_next_history();
void qna_previous_history();
void set_parent_formaction(std::shared_ptr<FormAction> fa)
{
parent_formaction = fa;
}
std::shared_ptr<FormAction> get_parent_formaction() const
{
return parent_formaction;
}
virtual std::string title() = 0;
virtual std::vector<std::string> get_suggestions(
const std::string& fragment);
static void load_histories(const std::string& searchfile,
const std::string& cmdlinefile);
static void save_histories(const std::string& searchfile,
const std::string& cmdlinefile,
unsigned int limit);
std::string bookmark(const std::string& url,
const std::string& title,
const std::string& description,
const std::string& feed_title);
protected:
virtual bool process_operation(Operation op,
const std::vector<std::string>& args,
BindingType bindingType = BindingType::BindKey) = 0;
void set_keymap_hints();
/// The name of the "main" STFL widget, i.e. the one that should be focused
/// by default.
virtual std::string main_widget() const = 0;
void set_title(const std::string& title);
void start_bookmark_qna(const std::string& default_title,
const std::string& default_url,
const std::string& default_feed_title);
static Command parse_command(const std::string& input,
std::string delimiters = " \r\n\t");
void handle_parsed_command(const Command& command);
bool handle_list_operations(ListWidget& list, Operation op);
bool handle_textview_operations(TextviewWidget& textview, Operation op);
View& v;
ConfigContainer* cfg;
Stfl::Form f;
bool do_redraw;
std::vector<std::string> qna_responses;
static History searchhistory;
static History cmdlinehistory;
std::vector<std::string> valid_cmds;
private:
void start_next_question();
bool handle_single_argument_set(std::string argument);
void handle_set(const std::vector<std::string>& args);
void handle_quit();
void handle_source(const std::vector<std::string>& args);
void handle_dumpconfig(const std::vector<std::string>& args);
void handle_exec(const std::vector<std::string>& args);
LineView head_line;
LineView msg_line;
LineView qna_prompt_line;
std::vector<QnaPair> qna_prompts;
Operation finish_operation;
History* qna_history;
std::shared_ptr<FormAction> parent_formaction;
};
} // namespace newsboat
#endif /* NEWSBOAT_FORMACTION_H_ */
|